Repair and Diagnosis
- A L L Diagnostic Trouble Codes ( DTC )
- Relays and Modules
- Relays and Modules - Accessories and Optional Equipment
- Relays and Modules - Brakes and Traction Control
- Relays and Modules - HVAC
- Relays and Modules - Instrument Panel
- Relays and Modules - Lighting and Horns
- Relays and Modules - Power and Ground Distribution
- Relays and Modules - Powertrain Management
- Relays and Modules - Restraints and Safety Systems
- Relays and Modules - Starting and Charging
- Relays and Modules - Transmission and Drivetrain
- Relays and Modules - Windows and Glass
- Relays and Modules - Wiper and Washer Systems
- Sensors and Switches
- Sensors and Switches - Body and Frame
- Sensors and Switches - Brakes and Traction Control
- Sensors and Switches - Cooling System
- Sensors and Switches - Cruise Control
- Sensors and Switches - Engine
- Sensors and Switches - Exhaust System
- Sensors and Switches - HVAC
- Sensors and Switches - Instrument Panel
- Sensors and Switches - Lighting and Horns
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Computers and Control Systems
- Accelerator Pedal Position Sensor
- Barometric Pressure Sensor
- Camshaft Position Sensor
- Clutch Switch
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Engine Temperature Sensor
- Exhaust Pressure Sensor
- Fuel Level Sensor
- Fuel Tank Pressure Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Manifold Pressure/Vacuum Sensor
- Oil Temperature Sensor For ECM
- Throttle Full Close Switch
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Sensors and Switches - Emission Control Systems
- Sensors and Switches - Fuel Delivery and Air Induction
- Sensors and Switches - Ignition System
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
Locations
Service and Repair
Diagrams
Specifications
Tools and Equipment
- Sensors and Switches - Computers and Control Systems
- Sensors and Switches - Restraints and Safety Systems
- Sensors and Switches - Starting and Charging
- Clutch Switch
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
Locations
Service and Repair
Diagrams
Specifications
Tools and Equipment
- Neutral Safety Switch
- Sensors and Switches - Transmission and Drivetrain
- Sensors and Switches - Windows and Glass
- Sensors and Switches - Wiper and Washer Systems
- Maintenance
- Alignment
- Tune-up and Engine Performance Checks
- Drive Belt
- Filters
- Hoses
- Fluids
- Brake Bleeding
- Air Bag(s) Arming and Disarming
- Fuses and Circuit Breakers
- Service Reminder Indicators
- Wheels and Tires
- Vehicle Lifting
- Application and ID
- Service Intervals
- Severe Service Defined
- Routine Service
- Special Operating Conditions T, I, D, O, E, S
- Normal Service
- 5000 MI or 8000 KM
- 10000 MI or 16000 KM
- 15000 MI or 24000 KM
- 20000 MI or 32000 KM
- 25000 MI or 40000 KM
- 30000 MI or 48000 KM
- 35000 MI or 56000 KM
- 40000 MI or 64000 KM
- 45000 MI or 72000 KM
- 50000 MI or 80000 KM
- 55000 MI or 88000 KM
- 60000 MI or 96000 KM
- 65000 MI or 104000 KM
- 70000 MI or 112000 KM
- 75000 MI or 120000 KM
- 80000 MI or 128000 KM
- 85000 MI or 136000 KM
- 90000 MI or 144000 KM
- 95000 MI or 152000 KM
- 100000 MI or 160000 KM
- 105000 MI or 168000 KM
- 110000 MI or 176000 KM
- 115000 MI or 184000 KM
- 120000 MI or 192000 KM
- 125000 MI or 200000 KM
- 130000 MI or 208000 KM
- 135000 MI or 216000 KM
- 140000 MI or 224000 KM
- 145000 MI or 232000 KM
- 150000 MI or 240000 KM
- Severe Service
- 3000 MI or 4800 KM
- 5000 MI or 8000 KM
- 6000 MI or 9600 KM
- 9000 MI or 14400 KM
- 10000 MI or 16000 KM
- 12000 MI or 19200 KM
- 15000 MI or 24000 KM
- 18000 MI or 28800 KM
- 20000 MI or 32000 KM
- 21000 MI or 33600 KM
- 24000 MI or 38400 KM
- 25000 MI or 40000 KM
- 27000 MI or 43200 KM
- 30000 MI or 48000 KM
- 33000 MI or 52800 KM
- 35000 MI or 56000 KM
- 36000 MI or 57600 KM
- 39000 MI or 62400 KM
- 40000 MI or 64000 KM
- 42000 MI or 67200 KM
- 45000 MI or 72000 KM
- 48000 MI or 76800 KM
- 50000 MI or 80000 KM
- 51000 MI or 81600 KM
- 54000 MI or 86400 KM
- 55000 MI or 88000 KM
- 57000 MI or 91200 KM
- 60000 MI or 96000 KM
- 63000 MI or 100800 KM
- 65000 MI or 104000 KM
- 66000 MI or 105600 KM
- 69000 MI or 110400 KM
- 70000 MI or 112000 KM
- 72000 MI or 115200 KM
- 75000 MI or 120000 KM
- 78000 MI or 124800 KM
- 80000 MI or 128000 KM
- 81000 MI or 129600 KM
- 84000 MI or 134400 KM
- 85000 MI or 136000 KM
- 87000 MI or 139200 KM
- 90000 MI or 144000 KM
- 93000 MI or 148800 KM
- 95000 MI or 152000 KM
- 96000 MI or 153600 KM
- 99000 MI or 158400 KM
- 100000 MI or 160000 KM
- 102000 MI or 163200 KM
- 105000 MI or 168000 KM
- 108000 MI or 172800 KM
- 110000 MI or 176000 KM
- 111000 MI or 177600 KM
- 114000 MI or 182400 KM
- 115000 MI or 184000 KM
- 117000 MI or 187200 KM
- 120000 MI or 192000 KM
- 123000 MI or 196800 KM
- 125000 MI or 200000 KM
- 126000 MI or 201600 KM
- 129000 MI or 206400 KM
- 130000 MI or 208000 KM
- 132000 MI or 211200 KM
- 135000 MI or 216000 KM
- 138000 MI or 220800 KM
- 140000 MI or 224000 KM
- 141000 MI or 225600 KM
- 144000 MI or 230400 KM
- 145000 MI or 232000 KM
- 147000 MI or 235200 KM
- 150000 MI or 240000 KM
Technical Service Bulletins
- Engine, Cooling and Exhaust
- Engine
- Compression Check
- Camshaft, Lifters and Push Rods
- Cylinder Block Assembly
- Cylinder Head Assembly
- Drive Belts, Mounts, Brackets and Accessories
- Engine Lubrication
- Lamps and Indicators - Engine
- Seals and Gaskets
- Sensors and Switches - Engine
- Timing Components
- Tune-up and Engine Performance Checks
- Water Pump
- Application and ID
Description and Operation
Testing and Inspection
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Cooling System
- Coolant
- Coolant Reservoir
- Radiator Cooling Fan
- Engine - Coolant Temperature Sensor/Switch
- Fan Shroud
- Heater Core
- Heater Hose
- Lamps and Indicators - Cooling System
- Radiator
- Radiator Hose
- Sensors and Switches - Cooling System
- Temperature Gauge
- Thermostat
- Water Pump
Description and Operation
Testing and Inspection
Locations
Service and Repair
Specifications
Technical Service Bulletins
Tools and Equipment
- Exhaust System
- Engine
- Powertrain Management
- Relays and Modules - Powertrain Management
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Computers and Control Systems
- Accelerator Pedal Position Sensor
- Barometric Pressure Sensor
- Camshaft Position Sensor
- Clutch Switch
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Engine Temperature Sensor
- Exhaust Pressure Sensor
- Fuel Level Sensor
- Fuel Tank Pressure Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Manifold Pressure/Vacuum Sensor
- Oil Temperature Sensor For ECM
- Throttle Full Close Switch
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Sensors and Switches - Emission Control Systems
- Sensors and Switches - Fuel Delivery and Air Induction
- Sensors and Switches - Ignition System
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
Locations
Service and Repair
Diagrams
Specifications
Tools and Equipment
- Sensors and Switches - Computers and Control Systems
- Tune-up and Engine Performance Checks
- Computers and Control Systems
- Accelerator Pedal Position Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Auxiliary Air Valve (Idle Speed)
- Barometric Pressure Sensor
- Camshaft Position Sensor
- Clutch Switch
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Data Link Connector
- Electronic Direct Injection System (diesel)
- Engine Control Module
- Engine Temperature Sensor
- Exhaust Pressure Sensor
- Fuel Level Sensor
- Fuel Tank Pressure Sensor
- Information Bus
- Main Relay (Computer/Fuel System)
- Malfunction Indicator Lamp
- Manifold Pressure/Vacuum Sensor
- Oil Temperature Sensor For ECM
- Relays and Modules - Computers and Control Systems
- Sensors and Switches - Computers and Control Systems
- Accelerator Pedal Position Sensor
- Barometric Pressure Sensor
- Camshaft Position Sensor
- Clutch Switch
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Engine Temperature Sensor
- Exhaust Pressure Sensor
- Fuel Level Sensor
- Fuel Tank Pressure Sensor
- Air Temperature Sensor ( Ambient / Intake )
- Manifold Pressure/Vacuum Sensor
- Oil Temperature Sensor For ECM
- Throttle Full Close Switch
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
- Throttle Full Close Switch
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Symptom Charts
- Symptom Chart Index
- 1 - No Crank/Slow Crank
- 2 - Stall/Quits - Idle/Acceleration/Cruise/Deceleration
- 3 - Starting Concerns - Stalls/Quits
- 4 - Engine Will Only Idle
- 5 - Slow Return to Idle
- 6 - Engine Runs Rough-Idle
- 7 - Fast Idle
- 8 - Runs Rough-Misses-Buck/Jerk-Hesitation/Stumble
- 9 - Surge - Acceleration/Cruise
- 10 - Lack/Loss of Power - Acceleration/Poor Fuel Economy
- 11 - "Check Engine" Light
- 12 - Exhaust System Concern-Smoke
- 13 - Speed Control Inoperative
- 14 - Transmission Control Indicator Lamp
- 15 - Auto Trans Shift Concerns
- 16 - High Oil Consumption-Leaks
- 17 - Hard Start/No Start - Dry Reservoir
- Hard Start/No Start Diagnostic Procedures
- Index
- 1 Visual Inspection
- 2 Check Engine Oil
- 3 Intake/Exhaust Restriction
- 4 Sufficient Clean Fuel
- 5 Electric Fuel Pump Pressure
- 6 Perform Key On Engine Off (KOEO) On-Demand Self Test
- 7 Retrieve/Clear Continuous DTC's
- 8 Key On Engine Off (KOEO) Injector Electrical Self Test
- 9A Check Vehicle Power (VPWR) During Cranking
- 9B Check RPM Signal While Cranking
- 9C Monitor Injection Control Pressure (ICP) While Cranking
- 9D Check Fuel Pulse Width (Fuel PW) While Cranking
- 10 Glow Plug System Operation
- Symptom Charts
- Pinpoint Tests
- General Procedures For Pinpoint Testing
- Sensor and Actuator Diagnostic Procedures
- Pinpoint Tests
- A - Vehicle Battery
- C - Reference Voltage
- DA - Intake Air Temperature (IAT) Sensor
- DB - Engine Oil Temperature (EOT) Sensor
- DC - Injection Control Pressure (ICP) Sensor
- DD - Accelerator Pedal Sensor
- DE - Exhaust Back Pressure (EBP) Sensor
- DF - Camshaft Position (CMP) Sensor
- DG - Barometric Pressure (BARO) Sensor
- DH - Manifold Absolute Pressure (MAP) Sensor, Analog
- DI - Manifold Air Temperature (MAT) Sensor
- DJ - Water In Fuel (WIF) Sensor
- DK - Water In Fuel Indicator Lamp (WIFIL)
- DL - Vehicle Speed Sensor (VSS)
- FA - Air Conditioning
- FB - Brake Pressure Applied (BPA) Switch
- FC - Clutch Pedal Position (CPP) Switch
- FD - Brake Lamp Switch
- FE - Idle Validation Switch (IVS)
- FF - Parking Brake Applied (PBA) Switch
- FG - Speed Control Command Switch (SCCS)
- FH - 4x4 Low
- FJ - Injector Driver Module Feedback
- FK - Fuel Pump Monitor/Control
- H - Auxiliary Powertrain Control System
- KA - Cylinder Identification (CID)
- KB - Exhaust Back Pressure Regulator (EPR)
- KC - Glow Plug System
- KD - Glow Plug Lamp (GPL)
- KE - Injection Pressure Regulator (IPR)
- KF - Fuel Delivery Command Signal (FDCS)
- KG - Tachometer
- KH - Wastegate Control (WGC) Solenoid
- KL - Manifold Intake Air Heater (MIAH)
- MA - Continuous Memory Failure
- MB - OBD II Readiness Code
- MC - PCM Inactive Background Fault
- MD - PCM-ROM Failure
- NA - Injector Driver Circuit Operation
- NB - Check Engine Light
- NC - Injector Driver Module Enable (IDM-EN)
- QA - Unable to Activate Self-Test/SCP Error/DTC Not Listed
- Component Tests and General Diagnostics
- Performance Diagnostic Procedures
- Performance Diagnostic Index
- 1 Visual Engine/Chassis Inspection
- 2 Sufficient Clean Fuel
- 3 Check Engine Oil Level
- 4 Intake Restriction
- 5 Perform KOEO On-Demand Self Test
- 6 Retrieve Continuous DTCS
- 7 KOEO Injector Electrical Self Test
- 8A Fuel Pressure Test
- 8B Fuel Pressure Test
- 8C Electric Fuel Pump Pressure Test
- 8D Electric Fuel Pump Inlet Restriction
- 9 Perform KOER on-Demand Self Test
- 10A Injection Control Pressure Tests
- 10B Low Idle Stability (ICP Pressure)
- 11 Crankcase Pressure Test
- 12 Cylinder Contribution Tests
- 13 Exhaust Restriction
- 14 Boost Pressure Test
- Technician High Pressure Pump Guide For the 7.3 Power Stroke Engine
- Performance Diagnostic Procedures
- Scan Tool Testing and Procedures
- Monitors, Trips, Drive Cycles and Readiness Codes
Service and Repair
Diagrams
Technical Service Bulletins
- Emission Control Systems
- Catalytic Converter
- Evaporative Emissions System
- Canister Purge Control Valve
- Canister Purge Solenoid
- Evaporative Emission Control Canister
- Leak Detection Sensor
- Liquid Vapor Separator
Description and Operation
Testing and Inspection
Specifications
- Positive Crankcase Ventilation
- Sensors and Switches - Emission Control Systems
- Fuel Delivery and Air Induction
- Fuel Pressure
- Fuel Pressure Release
- Idle Speed
- Accelerator Pedal
- Accelerator Pedal Position Sensor
- Air Cleaner Housing
- Auxiliary Air Valve (Idle Speed)
- Fuel Filler Cap
- Fuel Filter
- Fuel Heater
- Fuel Injector
- Fuel Line Coupler
- Fuel Pressure Regulator
- Fuel Pressure Sensor/Switch
- Fuel Pump
- Fuel Supply Line
- Fuel Tank
- Fuel/Water Separator
- High Pressure Oil Pump
- Inertia Fuel Shutoff Switch
- Intake Air Heater
- Main Relay (Computer/Fuel System)
- Oil Pressure Switch (For Fuel Pump)
- Relays and Modules - Fuel Delivery and Air Induction
- Sensors and Switches - Fuel Delivery and Air Induction
- Throttle Cable/Linkage
- Throttle Full Close Switch
- Turbocharger
Service Precautions
Description and Operation
Testing and Inspection
Service and Repair
Diagrams
Technical Service Bulletins
Tools and Equipment
- Ignition System
- Firing Order
- Ignition Timing
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Sensors and Switches - Ignition System
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
Locations
Service and Repair
Diagrams
Specifications
Tools and Equipment
Technical Service Bulletins
- Glow Plug System
- Transmission Control Systems
- Actuators and Solenoids - Transmission and Drivetrain
- Lamps and Indicators - Transmission and Drivetrain
- Relays and Modules - Transmission and Drivetrain
- Sensors and Switches - Transmission and Drivetrain
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Index Directions
- Symptom Index (Diagnosis By Symptom Index)
- Engagement Concerns
- 201/301 - No Forward Engagement
- 202/302 - No Reverse Engagement
- 203/303 - Harsh Reverse Engagement
- 204/304 - Harsh Forward Engagement
- 205/305 - Delayed/Soft Reverse or Forward Engagement
- 206/306 - Delayed/Soft Forward Engagement
- 207/307 - No Forward and No Reverse
- 208/308 - Harsh Forward and Reverse
- 209/309 - Delayed/Soft Forward and Reverse
- Shift Concerns
- 210/310 - Some or All Shifts Missing
- 211/311 - Shift Timing: Early/Late
- 212/312 - Shift Timing: Erratic/Hunting
- 213/313 - Shift Feel: Soft/Slipping
- 214/314 - Shift Feel: Harsh
- 215/315 - No 1st Gear In Drive, Engages In Higher Gear
- 216/316 - No Manual 1ST Gear
- 217/317 - No Manual 2ND Gear
- 220/320 - No 1-2 Shift (Automatic)
- 221/321 - No 2-3 Shift (Automatic)
- 222/322 - No 3-4 Shift (Automatic)
- 223/323 - No 4-3 Shift (Automatic)
- 224/324 - No 3-2 Shift (Automatic)
- 225/325 - No 2-1 Shift (Automatic)
- 226/326 - Soft/Slipping 1-2 Shift Only (Automatic)
- 227/327 - Soft/Slipping 2-3 Only (Automatic)
- 228/328 - Soft/Slipping 2-3 Only (Automatic)
- 229/329 - Soft/Sliping 4-3 Shift Only (Automatic)
- 232/332 - Harsh 1-2 Shift Only (Automatic)
- 233/333 - Harsh 2-3 Shift (Automatic)
- 234/334 - Harsh 3-4 Shift Only (Automatic)
- 235/335 - Harsh 4-3 Shift Only (Automatic)
- 236/336 - Harsh 3-2 Shift Only (Automatic)
- 237/337 - Harsh 2-1 Shift Only (Automatic)
- Torque Converter Clutch Operation Concerns
- Other Concerns
- 251/351 - Shift Lever Effort High
- 252/352 - External Leaks
- 253/353 - Poor Vehicle Performance
- 254/354 - Noise/Vibration, Forward or Reverse
- 255/355 - Engine Will Not Crank
- 256/356 - No Park Range
- 257/357 - Transmission Overheating
- 258/358 - No Engine Braking In Manual 2 Position
- 259/359 - No Engine Braking In Manual 1 Position
- 260/360 - No Eng Brkg w/O/D Cncld(Man.1&2 Hav Eng Brkg)
- 261/361 - Fluid Venting/Foaming
- Pinpoint Tests
- Before Pinpoint Tests
- Rotunda Transmission Tester
- Shift Solenoid Operation Chart
- Transmission Connector Layouts
- A: Shift Solenoids
- B: Transmission Fluid/Oil Temperature (TFT/TOT) Sensor
- C: Torque Converter Clutch (TCC) Solenoid
- D: Transmission Range (TR)/Manual Lever Position (MLP) Sensor
- E: Electronic Pressure Control (EPC) Solenoid
- F: Turbine Shaft Speed (TSS) and Output Shaft Speed (OSS) Sensors
- G: Coast Clutch Solenoid (CCS)
- H: Solenoid Mechanical Failure
- Component Tests and General Diagnostics
- Monitors, Trips, Drive Cycles and Readiness Codes
Diagrams
Tools and Equipment
- Application and ID
Description and Operation
Diagrams
Technical Service Bulletins
Tools and Equipment
- Transmission and Drivetrain
- Actuators and Solenoids - Transmission and Drivetrain
- Automatic Transmission/Transaxle
- Actuators and Solenoids - A/T
- Band
- Band Apply Servo
- Case
- Clutch
- Automatic Transmission Dipstick - Dipstick Tube
- Extension Housing
- Fluid - A/T
- Fluid Line/Hose
- Fluid Pan
- Fluid Pump
- Lamps and Indicators - A/T
- Output Shaft
- Overdrive Switch
- Parking Pawl
- Pressure Regulating Solenoid
- Seals and Gaskets
- Sensors and Switches - A/T
- Shift Indicator - A/T
- Shift Interlock
- Shifter A/T
- Shift Linkage
- Torque Converter
- Torque Converter Clutch
- Transmission Cooler
- Transmission Mount
- Transmission Position Sensor/Switch
- Transmission Speed Sensor
- Valve Body
- Application and ID
Description and Operation
Testing and Inspection
Locations
Service and Repair
- Removal and Replacement
- Overhaul
- Disassembly
- Disassembly and Assembly of Subassemblies
- Center Support
- Coast Clutch Assembly
- Direct Clutch Assembly and Intermediate Brake Drum
- Forward Clutch
- Front Case Bushings
- Input Shell
- Intermediate/Overdrive Cylinder Assembly
- Low One-Way Clutch Assembly
- Output Shaft - Check
- Overdrive Ring Gear and Center Shaft Assembly
- Pump Assembly
- Rear Case Bushing
- Reverse Clutch Piston
- Reverse Planet Assembly
- Assembly
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Clutch
- Differential Assembly
- Drive Axles, Bearings and Joints
- Drive/Propeller Shafts, Bearings and Joints
- Flex Plate
- Flywheel
- Lamps and Indicators - Transmission and Drivetrain
- Manual Transmission/Transaxle
- Case
- Countershaft
- Drain Plug
- Extension Housing
- Fill Plug
- Fluid - M/T
- Fluid Pump
- Flywheel Gear
- Input Shaft
- Mainshaft
- Seals and Gaskets
- Sensors and Switches - M/T
- Shifter M/T
- Shift Linkage
- Transmission Cooler
- Transmission Mount
- Transmission Speed Sensor
Description and Operation
Testing and Inspection
Locations
Service and Repair
Specifications
Technical Service Bulletins
Tools and Equipment
- Relays and Modules - Transmission and Drivetrain
- Sensors and Switches - Transmission and Drivetrain
- Transfer Case
- Actuators and Solenoids - Transfer Case
- Case
- Control Module
- Fluid - Transfer Case
- Four Wheel Drive Indicator Lamp
- Four Wheel Drive Selector Relay
- Four Wheel Drive Selector Switch
- Gear Sensor/Switch
- Lamps and Indicators - Transfer Case
- Output Shaft
- Relays and Modules - Transfer Case
- Seals and Gaskets
- Sensors and Switches - Transfer Case
- Shifter Transfer Case
- Transfer Case Actuator
- Transfer Case Mount
Description and Operation
Testing and Inspection
Service and Repair
Diagrams
Specifications
Tools and Equipment
- Transmission Control Systems
- Actuators and Solenoids - Transmission and Drivetrain
- Lamps and Indicators - Transmission and Drivetrain
- Relays and Modules - Transmission and Drivetrain
- Sensors and Switches - Transmission and Drivetrain
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Index Directions
- Symptom Index (Diagnosis By Symptom Index)
- Engagement Concerns
- 201/301 - No Forward Engagement
- 202/302 - No Reverse Engagement
- 203/303 - Harsh Reverse Engagement
- 204/304 - Harsh Forward Engagement
- 205/305 - Delayed/Soft Reverse or Forward Engagement
- 206/306 - Delayed/Soft Forward Engagement
- 207/307 - No Forward and No Reverse
- 208/308 - Harsh Forward and Reverse
- 209/309 - Delayed/Soft Forward and Reverse
- Shift Concerns
- 210/310 - Some or All Shifts Missing
- 211/311 - Shift Timing: Early/Late
- 212/312 - Shift Timing: Erratic/Hunting
- 213/313 - Shift Feel: Soft/Slipping
- 214/314 - Shift Feel: Harsh
- 215/315 - No 1st Gear In Drive, Engages In Higher Gear
- 216/316 - No Manual 1ST Gear
- 217/317 - No Manual 2ND Gear
- 220/320 - No 1-2 Shift (Automatic)
- 221/321 - No 2-3 Shift (Automatic)
- 222/322 - No 3-4 Shift (Automatic)
- 223/323 - No 4-3 Shift (Automatic)
- 224/324 - No 3-2 Shift (Automatic)
- 225/325 - No 2-1 Shift (Automatic)
- 226/326 - Soft/Slipping 1-2 Shift Only (Automatic)
- 227/327 - Soft/Slipping 2-3 Only (Automatic)
- 228/328 - Soft/Slipping 2-3 Only (Automatic)
- 229/329 - Soft/Sliping 4-3 Shift Only (Automatic)
- 232/332 - Harsh 1-2 Shift Only (Automatic)
- 233/333 - Harsh 2-3 Shift (Automatic)
- 234/334 - Harsh 3-4 Shift Only (Automatic)
- 235/335 - Harsh 4-3 Shift Only (Automatic)
- 236/336 - Harsh 3-2 Shift Only (Automatic)
- 237/337 - Harsh 2-1 Shift Only (Automatic)
- Torque Converter Clutch Operation Concerns
- Other Concerns
- 251/351 - Shift Lever Effort High
- 252/352 - External Leaks
- 253/353 - Poor Vehicle Performance
- 254/354 - Noise/Vibration, Forward or Reverse
- 255/355 - Engine Will Not Crank
- 256/356 - No Park Range
- 257/357 - Transmission Overheating
- 258/358 - No Engine Braking In Manual 2 Position
- 259/359 - No Engine Braking In Manual 1 Position
- 260/360 - No Eng Brkg w/O/D Cncld(Man.1&2 Hav Eng Brkg)
- 261/361 - Fluid Venting/Foaming
- Pinpoint Tests
- Before Pinpoint Tests
- Rotunda Transmission Tester
- Shift Solenoid Operation Chart
- Transmission Connector Layouts
- A: Shift Solenoids
- B: Transmission Fluid/Oil Temperature (TFT/TOT) Sensor
- C: Torque Converter Clutch (TCC) Solenoid
- D: Transmission Range (TR)/Manual Lever Position (MLP) Sensor
- E: Electronic Pressure Control (EPC) Solenoid
- F: Turbine Shaft Speed (TSS) and Output Shaft Speed (OSS) Sensors
- G: Coast Clutch Solenoid (CCS)
- H: Solenoid Mechanical Failure
- Component Tests and General Diagnostics
- Monitors, Trips, Drive Cycles and Readiness Codes
Diagrams
Tools and Equipment
- Application and ID
Description and Operation
Testing and Inspection
Specifications
Technical Service Bulletins
Tools and Equipment
- Brakes and Traction Control
- Antilock Brakes / Traction Control Systems
- Electronic Brake Control Module
- Hydraulic Control Assembly - Antilock Brakes
- Wheel Speed Sensor
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Descriptions
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A Check For Fault Repeatability
- A DTC C1202, C1204, C1206, C1208 Isolation Valve, Dump Valve
- B Check Sensor Coil Resistance at EHCU Connector
- B DTC 1230 Rear ABS Sensor (Electrical/Static)
- C DTC C1229, C1237 Rear ABS Sensor Diagnosis (Dynamic)
- C Front Anti-Lock Brake Sensor Indicator
- D DTC C1145 Antilock Brake Sensor Coil Resistance EHCU Coil
- D Soft or Excessive Pedal Travel
- E DTC C1145 ABS Brake Sensor
- E No Communication With The ABS Control Module
- F DTC C1169 Excessive Dump Time
- F DTC C1230 Check Rear Anti-Lock Sensor For Short To Ground
- G Check Anti-Lock Brake Sensor Indicator
- G DTC C1115, C1185 Power Relay Output Circuit Failure
- H Check Base Brake Components
- H DTC B1485 Brake Pedal Position Switch Circuit Malfunction
- J DTC C1095, C1096 Check Pump Motor Circuit
- K DTC C1113, C1115, C1185 Check Power to EHCU
- L Check Power to EHCU
- M DTC C1169 Low Speed ABS Stop
- N DTC C1184 ABS Sys Time Out; C1222 WSS Error (Dynamic)
- P DTC B1485 Brake Pedal Position Switch Circuit Malfunction
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
- Pinout Values and Diagnostic Parameters
Locations
Diagrams
Tools and Equipment
- Brake Bleeding
- Brake Pedal Assy
- Disc Brake System
- Hydraulic System
- Parking Brake System
- Power Brake Assist
- Relays and Modules - Brakes and Traction Control
- Sensors and Switches - Brakes and Traction Control
Description and Operation
Testing and Inspection
Locations
Specifications
Technical Service Bulletins
Tools and Equipment
- Antilock Brakes / Traction Control Systems
- Starting and Charging
- Sensors and Switches - Starting and Charging
- Clutch Switch
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
Locations
Service and Repair
Diagrams
Specifications
Tools and Equipment
- Neutral Safety Switch
- Relays and Modules - Starting and Charging
- Battery
- Charging System
- Alternator
- Voltage Regulator
Service Precautions
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Single Alt
- Notes
- BA: Charge Lamp ON W/Eng Running (Low Voltage)
- BB: Charge Lamp OFF W/Ign RUN/Eng OFF
- BC: Charge Lamp ON W/Eng Running and Voltage Increases
- BD: Charge Lamp OFF W/Ign in RUN/Eng OFF
- BE: Charge Lamp OK, But Low Voltage
- BF: Batt Dead or Not Stay Charged or Low Batt or Alt Voltage
- BG: Charge Lamp Flickers/Is Intermittent
- BH: System Overcharges (Batt Voltage Greater Than 15.5)
- BJ: Batt Leakage or Damage
- BK: The Voltage Gauge Reads High or Low
- BL: The Alt Is Noisy
- BM: Radio Interference
- Dual Alt
- Powertrain Control Module (PCM) Diagnostic Trouble Code Index
- Notes
- CA: Charge Lamp ON W/Eng Running (Low Voltage)
- CB: Charge Lamp Off W/Ign In RUN/Eng OFF
- CC: Charge Lamp ON W/Eng Running (Voltage Increases)
- CD: Charge Lamp OK, But Low Voltage
- CE: Batteries Dead/Not Stay Charged/Low Batt/Low Alt Voltage
- CF: Charge Lamp Flickers/Is Intermittent
- CG: System Overcharges (Batt Voltage Greater Than 15.5)
- CH: Batt Leakage or Damage
- CJ: Voltage Gauge Reads High or Low
- CK: The Alt(S) Are Noisy
- CL: Radio Interference
- CM: Dual Alt Upper Fault Detected
- CN: Dual Alt Lower Fault Detected
- CP: Dual Alt Lower Circuit Fault Detected
- CQ: Dual Alt Batt Lamp Circuit Fault Detected
- D: Charge Lamp Off, Key On, Eng Not Running
- E: Charge Lamp Operates OK (No Increase in Voltage)
- F: Batt Is Dead, Will Not Stay Charged, Low Batt or Alt Voltage
- G: Charge Lamp Flickers/Is Intermittent
- H: System Overcharges (Batt Voltage Greater Than 15.5 Volts)
- Single Alt
- Component Tests and General Diagnostics
Locations
Diagrams
Specifications
Tools and Equipment
- Starting System
- Clutch Switch
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
Locations
Service and Repair
Diagrams
Specifications
Tools and Equipment
- Neutral Safety Switch
- Starter Cable
- Starter Motor
- Starter Relay
- Starter Solenoid
Service Precautions
Description and Operation
Testing and Inspection
Diagrams
Technical Service Bulletins
- Power and Ground Distribution
Service Precautions
Technical Service Bulletins
- Sensors and Switches - Starting and Charging
- Power and Ground Distribution
- Steering and Suspension
- Alignment
- Steering
- Suspension
- Wheels and Tires
Technical Service Bulletins
- Heating and Air Conditioning
- Accumulator HVAC
- Air Door
- Air Duct
- Air Register
- Blower Motor
- Blower Motor Relay
- Blower Motor Resistor
- Cabin Air Filter / Purifier
- Compressor HVAC
- Compressor Fitting HVAC
- Condenser HVAC
- Control Assembly
- Coupler HVAC
- Evaporator Case
- Evaporator Core
- Expansion Block/Orifice Tube
- Heater Core
- Heater Core Case
- Heater Hose
- High Pressure Safety Valve HVAC
- Hose/Line HVAC
- Receiver Dryer
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Relays and Modules - HVAC
- Sensors and Switches - HVAC
- Service Port HVAC
- System Relay
- Vacuum Harness HVAC
- Vacuum Pump HVAC
- Vacuum Reservoir HVAC
Service Precautions
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Diagnostic Vacuum Diagrams
- A: Improper/Erratic Air Flow From Outlet(s)
- B: Insufficient/Erratic or Not Heat
- C: The A/C Does Not Operate/Does Not Operate Correctly
- D: Insufficient A/C Cooling
- E: No Operation In All the Temperature Settings
- F: Blower Motor Does Not Operate
- G: The Blower Motor Operates Continuously In High Speed
- H: No Operation In High Blower Setting
- J: No Operation In Lower Speeds
- Component Tests and General Diagnostics
Locations
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Restraints and Safety Systems
- Air Bag Systems
- Air Bag(s) Arming and Disarming
- Air Bag
- Air Bag Control Module
- Air Bag Deactivation Switch
- Clockspring Assembly / Spiral Cable
- Side Air Bag
- Standby Power Supply
Service Precautions
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Glossary Of Terms Used In Pinpoint Tests
- Special Tool(s) Used in Pinpoint Tests
- A: Air Bag Indicator On Continuously -ECS Module Disconn./Inop
- B: LFC 24/DTC B1342 - RCM Internal Fault
- C: LFC 19/DTC B1231 - RCM Crash Data Memory Full
- D: LFC 21 /DTC B1921- Gnd Resist High/Module Improperly Mounted
- E: LFC 12/DTC B1318 - Low Battery Voltage
- F: LFC 29/DTC C1414 - Incorrect Module Design Level
- G: LFC 15/DTC B1887 - Driver Air Bag Circuit Short to Ground
- H: LFC 15/DTC B1916 - Driver Air Bag Circuit Short To Batt/Ign
- I: LFC 16/DTC B1888 - Passenger Air Bag Ckt Shorted to Ground
- J: LFC 16/DTC B1925 - Passenger Air Bag Ckt Shorted to Batt/Ign
- K: LFC 32/DTC B1932 - Driver Air Bag High Resistance/Open Ckt
- L: LFC 33/DTC B1933 - Pass Air Bag High Resistance/Open Ckt
- M: LFC 34/DTC B1934 - Driver Air Bag Circuit Resistance Low
- N: LFC35/DTC B1935- Passenger Air Bag Circuit Resistance Low
- O: LFC 25/DTC B1871 - Pass Air Bag Deactivation Switch Fault
- P: LFC 27/DTC B1884 - Pass AB Deactivation Sw Warning Lamp Inop
- Q: LFC 27/DTC B1890- Pass AB Deact. Sw Warn Lamp Short to Batt
- R: B1892 - Air Bag Tone Warning Indicator Ckt Short to Gnd/Open
- S: DTC B1891 - AB Tone Warning Indicator Ckt Short to Batt/Ign
- T: DTC B2141 - Non-Volatile Memory Configuration Failure
- U: DTC B1869 - Air Bag Indicator Inoperative
- V: DTC B1870 - Air Bag Indicator Circuit Short to Battery
- W: LFC 14 41 46 47 B1901 B1941 B1885 B1886 Unexpected Feature
- X: No Communication With the ECS Module
- Pinout Values and Diagnostic Parameters
Service and Repair
Diagrams
Specifications
Tools and Equipment
- Relays and Modules - Restraints and Safety Systems
- Seat Belt Systems
- Sensors and Switches - Restraints and Safety Systems
Service and Repair
- Air Bag Systems
- Accessories and Optional Equipment
- Accessory Delay Module
- Antitheft and Alarm Systems
- Keyless Entry
- Keyless Entry Transmitter
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Descriptions
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: No Communication With Generic Electronic Module
- B: Panic Function Does Not Operate Properly
- C: Door Do Not Lock/Unlock Using the Remote Transmitter
- D: No Lock/Unlock Using Remote Transmitter - Passenger Door
- E: No Lock/Unlock Using the Remote Transmitter - Driver
- F: Remote Keyless Entry Out of Synchronization
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
Service and Repair
Diagrams
- Keyless Entry
- Collision Avoidance and Parking Assist Systems
- Driver/Vehicle Information Display
- General Module
- Radio, Stereo, and Compact Disc
- Radio/Stereo
- Speaker
- Tape Player
Description and Operation
Testing and Inspection
Tools and Equipment
- Relays and Modules - Accessories and Optional Equipment
- Towing / Trailer System
- Trailer Connector
- Trip Computer
Diagrams
- Body and Frame
- Air Bag(s) Arming and Disarming
- Cowl
- Doors, Hood and Trunk
- Interior Moulding / Trim
- Locks
- Door Locks
- Keyless Entry
- Keyless Entry Transmitter
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Descriptions
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: No Communication With Generic Electronic Module
- B: Panic Function Does Not Operate Properly
- C: Door Do Not Lock/Unlock Using the Remote Transmitter
- D: No Lock/Unlock Using Remote Transmitter - Passenger Door
- E: No Lock/Unlock Using the Remote Transmitter - Driver
- F: Remote Keyless Entry Out of Synchronization
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
Service and Repair
Diagrams
- Power Locks
- Mirrors
- Seats
- Sensors and Switches - Body and Frame
- Tailgate
- Unibody
Description and Operation
- Cruise Control
- Instrument Panel, Gauges and Warning Indicators
- Audible Warning Device
- Audible Warning Device Control Module
- Charge Lamp/Indicator
- Cigarette Lighter
- Compass
- Dashboard / Instrument Panel
- Driver/Vehicle Information Display
- Four Wheel Drive Indicator Lamp
- Fuel Gauge
- Fuel Gauge Sender
- Headlamp Reminder Indicator
- Instrument Cluster / Carrier
- Air Bag(s) Arming and Disarming
- Instrument Panel Bulb
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: No Communications With Generic Electronic Module (GEM)
- AA: Indicator-Always ON- 4X4/4X4 Low Range (Manual Shift)
- AB: An Indicator Is Inoperative - Wait to Start
- AC: Indicator Is Inoperative-Water In Fuel (Diesel Only)
- AD: Elect-Brake Warn Indicator-Never ON-Hydro-Motorhome
- B: All Gauges Inoperative
- C: Fuel Level Reads Inaccurately
- D: Low Fuel Warning Indicator Lamp Inoperative
- E: Incorrect Voltage Gauge Indication
- F: Incorrect Oil Pressure Gauge Indication
- G: Incorrect Temperature Gauge Indication
- H: The Speedometer Is Inoperative - F-250-550
- J: Incorrect Tachometer Indication
- K: Inaccurate Speedometer - Odometer OK (F-250-550)
- L: Yellow ABS Warning Indicator Is Never ON
- M: Park Brake Warn Indicator Never/Always ON-F-250-550
- N: An Indicator Is Inoperative - Fuel Reset
- P: Indicator Inop/Always ON-Service Engine Soon
- Q: The Charge System Warning Indicator Is Never ON
- R: An Indicator Is Inoperative/Always ON - Air Bag
- S: An Indicator Is Inoperative - High Beam
- T: An Indicator Is Inoperative - LH Turn
- U: An Indicator Is Inoperative - RH Turn
- V: Door Ajar Indicator Inop (Chime OK) - F250-550
- W: Seat Belt Warning Indicator Inop (Chime OK)-F250-550
- X: Indicator Is Inoperative-Door Ajar (Chime Is Operative)
- Y: Seat Belt Warning Indicator (Chime OK) (Motorhome)
- Z: Indicator Is Inop-4X4/4X4 Low Range (Manual Shift)
- Scan Tool Testing and Procedures
- Pinout Values and Diagnostic Parameters
Service and Repair
Diagrams
Specifications
Tools and Equipment
- Low Fuel Lamp/Indicator
- Maintenance Required Lamp/Indicator
- Malfunction Indicator Lamp
- Odometer
- Oil Change Reminder Lamp
- Oil Pressure Gauge
- Oil Pressure Sender
- Oil Pressure Warning Lamp/Indicator
- Relays and Modules - Instrument Panel
- Seat Belt Reminder Lamp
- Sensors and Switches - Instrument Panel
- Shift Indicator - A/T
- Speedometer Head
- Speedometer Module
- Suspension Warning Indicator
- Tachometer
- Temperature Gauge
- Temperature Sensor (Gauge)
- Volt Meter Gauge
- Water In Fuel Indicator
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: Control Illumination Inoperative
- B: Instrument Cluster Illumination Inoperative
- C: Climate Control Illumination Inoperative
- D: Audio System Illumination Inoperative
- E: A Single Illumination Source Is Inoperative
- F: A Single Illumination Source Inoperative-Steering Wheel Sw
- G: Control Illumination Is Inoperative-Door Panel Switch
- H: Single Illumination Source Is Inoperative-Door Panel Switch
- Component Tests and General Diagnostics
Diagrams
Technical Service Bulletins
- Lighting and Horns
- Backup Lamp
- Brake Lamp
- Brake Light Switch
- Center Mounted Brake Lamp
- Courtesy Lamp
- Daytime Running Lamp
- Dome Lamp
- Hazard Warning Lamps
- Headlamp
- Horn
- Interior Lighting Relay
- License Plate Lamp
- Map Light
- Marker Lamp
- Parking Lamp
- Relays and Modules - Lighting and Horns
- Sensors and Switches - Lighting and Horns
- Tail Lamp
- Trailer Lamps
- Turn Signals
- Turn Signal Flasher
- Turn Signal Switch
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Test K: Turn Signal Lamps Are Never On
- Test L: Hazard Lamps Are Inoperative
- Test M: One Turn Signal/Hazard Lamp Is Never On
- Test N: Turn Signal Lamps Are Never On - Motorhome
- Test P: Hazard Flasher Lamps Are Never On Motorhome
- Test Q: One Turn Signal/Hazard Lamp Is Never On - LH Motorhome
- Test R: One Turn Signal/Hazard Lamp Is Never On - RH Motorhome
- Scan Tool Testing and Procedures
Diagrams
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Super Duty Series
- A: No Communication With the Module - Generic Electronic
- B: Courtesy Lamps Are Inoperative
- C: Courtesy Lamps Do Not Turn On With One Door Open
- D: Courtesy Lamps Stay On Continuously
- E: Battery Saver Does Not Deactivate After Timeout
- F: Courtesy Lamps Inoperative - From the Panel Dimmer switch
- G: Courtesy Lamps Inoperative-Do Not Turn Off After 25 Seconds
- H: Illuminative Entry Inoperative When Using Remote Transmitter
- Motorhome
- Super Duty Series
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
- Pinout Values and Diagnostic Parameters
Locations
Diagrams
Tools and Equipment
- Windows and Glass
- Relays and Modules - Windows and Glass
- Sensors and Switches - Windows and Glass
- Windows
- Power Window Motor
- Power Window Relay
- Power Window Switch
- Window Glass
- Window Regulator
- Window Track
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Descriptions
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Test Notes
- A: No Communication With the Generic Electronic Module
- B: All Power Windows Are Inoperative
- C: LF Power Window Is Inoperative
- D: RF Power Window Is Inoperative
- E: LR Power Window Is Inoperative
- F: RR Power Window Is Inoperative
- G: One Touch Down Feature Is Inoperative
- H: Delayed Accessory Does Not Turn Off
- Component Tests and General Diagnostics
Diagrams
- Windshield
- Wiper and Washer Systems
- Relays and Modules - Wiper and Washer Systems
- Sensors and Switches - Wiper and Washer Systems
- Windshield Washer Pump
- Windshield Washer Relay
- Windshield Washer Reservoir
- Windshield Washer Switch
- Wiper Arm
- Wiper Blade
- Wiper Motor
- Wiper Motor Linkage
- Wiper Pivot
- Wiper Relay
- Wiper Switch
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Component Tests and General Diagnostics
- Inspection and Verification (Start Testing Here)
- Diagnostic Special Service Tool(s)
- GEM Diagnostic Trouble Code Index
- GEM Parameter Identification Index
- GEM Active Command Index
- Pinpoint Tests
- Test Notes
- A: No Communication With the Module - Generic Electronic
- B: Wipers Are Inoperative
- C: Wipers Stay On Continuously
- D: High/Low Wiper Speeds Do Not Operate Properly
- E: Intermittent Wiper Speed Does Not Operate Properly
- F: Wash and Wipe Function Does Not Operate Properly
- G: Speed Dependent Interval Mode Does Not Operate Properly
- Diagnosis by Symptom
- Relay Component Test
Diagrams
Specifications
- Application and ID
Testing and Inspection
Locations
Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- Exploded Views
- Connector Views
- C103
- C128
- C138
- C151
- C210
- C217
- C218
- C219
- C221
- C222
- C223
- C227
- C228
- C230
- C231
- C239
- C241
- C242
- C243
- C245
- C247
- C250
- C251
- C253
- C257
- C261
- C269
- C273
- C274
- C279
- C285
- C337
- C338
- C401
- C407
- C441
- C505
- C510
- C511
- C550
- C603
- C604
- C703
- C803
- C911
- C1008
- C1009
- C1012
- C1027
- C1040
- C1043
- C1044
- C1045
- C1046
- C1048
- C1049
- C1050
- C1051
- C1067
- C1090
- Accessories and Optional Equipment
- Air Bag Control Module
- Backup Lamp Switch
- Brake Light Switch
- Brake Switch (Cruise Control)
- Clutch Switch, Cruise Control
- Cruise Control Switch
- Electronic Brake Control Module
- Engine Control Module
- Fuse Block
- Hazard Warning Switch
- Headlamp Dimmer Switch
- Headlamp Switch
- Heating and Air Conditioning
- Horn Switch
- Ignition Switch
- Injector Driver Module
- Instrument Panel, Gauges and Warning Indicators
- Multiple Junction Connector
- Neutral Safety Switch
- Power Door Lock Switch
- Power Mirror Switch
- Power Seat Motor
- Power Seat Switch
- Power Window Switch
- Trailer Lamps
- Transfer Case
- Transmission Control Systems
- Transmission Position Sensor/Switch, A/T
- Turn Signal Switch
- Wiper Motor
- Wiper Switch
- Electrical Diagrams
- Power and Ground Distribution
- Air Bag Systems
- Antilock Brakes / Traction Control Systems
- Charging System
- Cruise Control
- Doors
- General Module
- Heating and Air Conditioning
- Instrument Panel, Gauges and Warning Indicators
- Keyless Entry
- Lighting and Horns
- Mirrors
- Power Locks
- Powertrain Management
- Radio/Stereo
- Seats
- Shift Interlock, A/T
- Starting System
- Trailer Connector
- Transfer Case
- Transmission Control Systems
- Windows
- Wiper and Washer Systems
- Fluid Diagrams
- Vacuum and Vapor Hose Diagrams
- Components
- Connectors
- Grounds
- Splices
Specifications
- Electrical Specifications
- Mechanical Specifications
- Accelerator Pedal
- Accumulator HVAC
- Air Bag Systems
- Air Cleaner Housing
- Air Door Actuator / Motor, HVAC
- Air Duct
- Air Register
- Alignment
- Alternator
- Battery
- Blower Motor
- Blower Motor Resistor
- Brake Switch (Cruise Control)
- Brakes and Traction Control
- Canister Purge Control Valve
- Center Link
- Center Mounted Brake Lamp
- Compressor Fitting HVAC
- Compressor HVAC
- Condenser HVAC
- Console
- Control Assembly, HVAC
- Coolant Temperature Sensor/Switch (For Computer)
- Cooling System
- Coupler HVAC
- Courtesy Lamp
- Dashboard / Instrument Panel
- Daytime Running Lamp Resistor
- Dome Lamp
- Doors
- Engine
- System Specifications
- Camshaft Gear/Sprocket
- Camshaft Thrust Plate
- Camshaft, Engine
- Cylinder Block Assembly
- Cylinder Head Assembly
- Drive Belts, Mounts, Brackets and Accessories
- Engine Lubrication
- Lifter / Lash Adjuster, Valve
- Push Rod
- Timing Components
- Engine Control Module
- Engine Temperature Sensor
- Evaporative Emission Control Canister
- Evaporator Case
- Evaporator Core
- Exhaust System
- Firing Order
- Fuel Filter
- Fuel Injector
- Fuel Level Sensor
- Fuel Pump
- Fuel Tank
- General Module
- Glow Plug
- Glow Plug Relay
- Headlamp
- Heater Core Case
- High Pressure Oil Pump
- High Pressure Safety Valve HVAC
- Hood
- Horn
- Hose/Line HVAC
- Idle Speed
- Ignition Switch
- Information Bus
- Injector Driver Module
- Instrument Cluster / Carrier
- Marker Lamp
- Mirrors
- Power Steering Fluid Cooler
- Power Steering Fluid Reservoir
- Power Steering Line/Hose
- Power Steering Pump
- Power Window Motor
- Rear Door Window Regulator
- Refrigerant Pressure Sensor / Switch, HVAC
- Seat Belt
- Seat Belt Buckle
- Seat Belt Height Adjuster
- Seat Belt Retractor
- Seats
- Starter Cable
- Starter Motor
- Starter Relay
- Starter Solenoid
- Steering Column
- Steering Damper
- Steering Gear
- Steering Shaft Coupler
- Steering Wheel
- Suspension
- Tail Lamp
- Tailgate
- Throttle Cable/Linkage
- Tie Rod End
- Tires
- Transmission and Drivetrain
- System Specifications
- Case, A/T
- Case, M/T
- Case, Transfer Case
- Clutch, A/T
- Clutch, M/T
- Countershaft, M/T
- Differential Assembly
- Drain Plug, M/T
- Drive Axles, Bearings and Joints
- Drive/Propeller Shafts, Bearings and Joints
- Extension Housing, A/T
- Fill Plug, M/T
- Flex Plate
- Fluid Line/Hose, A/T
- Fluid Pan, A/T
- Fluid Pump, A/T
- Fluid Pump, M/T
- Flywheel
- Four Wheel Drive Selector Switch
- Mainshaft, M/T
- Output Shaft, Transfer Case
- Shift Cable, A/T
- Shift Interlock Solenoid
- Shift Rail, M/T
- Shifter A/T
- Shifter M/T
- Shifter Transfer Case
- Torque Converter
- Transfer Case Actuator
- Transfer Case Mount
- Transmission Cooler, A/T
- Transmission Mount, A/T
- Transmission Mount, M/T
- Transmission Position Sensor/Switch, A/T
- Valve Body, A/T
- Turbocharger
- Vacuum Pump HVAC
- Vacuum Reservoir HVAC
- Wheel Stud / Lug Nut
- Wheels
- Window Track
- Wiper and Washer Systems
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
Technical Service Bulletins
Tools and Equipment
Diagnostic Trouble Codes