A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection
- Diagnostic Trouble Code Descriptions
- Manufacturer Code Charts
- Diagnostic Notes (Read Before Proceding)
- Code to Test Chart
- Driveability (DR) Tests
- Diagnostic Notes (Read Before Proceding)
- DR-1A CODE to DR TEST Chart (Checking for Fault Codes)
- DR-2 Checking Output Circuits of SMEC
- DR-3 Intermittent Test For Solenoids & Relays
- DR-4 Intermittent Test For MAP Sensor Signal
- DR-5 Intermittent Test For Sensor Voltages
- DR-6 Intermittent Test For Injectors & AIS Motor
- DR-7 Intermittent Test For Idle Switch
- DR-8 Fault Message MAP Pneumatic Signal
- DR-9 Fault Message MAP Pneumatic Change
- DR-10 Fault Message MAP Voltage Low
- DR-11 Fault Message MAP Voltage Too High
- DR-12 Fault Message Vehicle Speed Signal
- DR-13 Fault Message Oxygen Sensor Signal
- DR-14 Fault Message Coolant Voltage Low
- DR-15 Fault Message Coolant Voltage High
- DR-16 Fault Message Throttle Body Temperature Low
- DR-17 Fault Message Throttle Body Temperature High
- DR-18 Fault Message Throttle Position Sensor Voltage Low
- DR-19 Fault Message TPS Voltage High
- DR-20 Fault Message A.I.S. Motor Circuits
- DR-21 Fault Message Purge Solenoid CKT
- DR-22 Fault Message EGR Solenoid Circuit
- DR-23 Fault Message EGR System Failure
- DR-24 Fault Message A/C Clutch Relay CKT
- DR-25 Fault Message Idle Switch Shorted
- DR-26 Fault Message Idle Switch Opened
- DR-27 Fault Message Air Switch Solenoid
- DR-28 Fault Message PTU Solenoid Non-Overdrive Trans.
- DR-29 Fault Message PTU Solenoid Overdrive Transmission
- DR-30 Fault Message Fused J2 Voltage Sense
- DR-31 Fault Message Overdrive Solenoid
- DR-32 Fault Message EMR Mileage ACCUM & EEPROM
- DR-33 Checking Sensor Calibrations
- DR-34 Spark Plugs & Heated Air Intake System
- DR-35 Checking Sensor Calibrations
- DR-36 EGR Valve Operation
- DR-37 Air Switching System
- DR-38 Checking Secondary Ignition System
- DR-39 Basic Timing & Fuel System
- DR-40 Oxygen Sensor Function
- DR-41 Throttle Body Minimum Air Flow
- DR-42 Throttle Body Maximum Air Flow
- DR-43 Driveability Problems Not Related to Engine Controls
- DR-44 Driveability Verification I
- DR-45 Driveability Verification II
- Antilock Brakes / Traction Control Systems
- Test 1 - Module And Diagnostic Connector Inspection
- Test 2 - System Self Check
- Test 3 - Sensor Output and Physical Condition
- Test 4 - Checking Sensor Gap
- Test 5 - Brake Mechanical Problems
- Test 6 - Diagnostic Connector Ground
- Test 7 - Module Ground and Power
- Test 8 - Parking System and Module
- Test 9 - Intermittent Problems
- Test 10 - Open or Disconnected Park Brake Switch Connector
- Test 11 - Flashcodes
- Test 12 - One Flash
- Test 13 - Two Flashes
- Test 14 - Three Flashes
- Test 15 - Four Flashes
- Test 16 - Five Flashes
- Test 17 - Six Flashes
- Test 18 - Seven Flashes
- Test 19 - Eight Flashes
- Test 20 - Nine Flashes
- Test 21 - Ten Flashes
- Test 22 - Eleven Flashes
- Test 23 - Twelve Flashes
- Test 24 - Thirteen Flashes
- Test 25 - Fourteen Flashes
- Test 26 - Fifteen Flashes
- Test 27 - Sixteen or More Flashes
- Charging System (CH) Tests
- CH-1A Checking Charging System For Fault Codes
- CH-2 Fault Code 16
- CH-2 Fault Code 16-Battery Voltage Sense Problem
- CH-3A Fault Code 46
- CH-3A Fault Code 46-Battery Voltage Too High
- CH-3B Fault Code 46-Battery Voltage Too High
- CH-4A Fault Code 47
- CH-4A Fault Code 47-Battery Voltage Too Low
- CH-4B Fault Code 47-Battery Voltage Too Low
- CH-5 Checking For Intermittent Fault Codes
- CH-6 Checking Charging System With No Codes
- Cruise Control
- Speed Control (SC) Tests
- Diagnostic Guidelines
- SC-1 Visual Inspection
- SC-2 Checking the System For Fault Codes
- SC-3A Fault Code 34
- SC-3B Fault Code 34
- SC-4 Testing Speed Control Switch
- SC-5A Brake Switch Circuit
- SC-5B Park/Neutral Input
- SC-5C Testing the Servo Ground
- SC-5D the Servo Actuator
- SC-6 On/Off Switch and Stalk Feed
- SC-7 Testing the Resume Switch
- SC-8 Testing the Set Switch