Repair and Diagnosis

Relays and Modules
- Relays and Modules - Accessories and Optional Equipment
  - Central Control Module
  - Ignition Shut Down Relay (For Antitheft)
- Relays and Modules - Body and Frame
- Relays and Modules - Brakes and Traction Control
- Relays and Modules - Cooling System
  - Radiator Cooling Fan Motor Relay
- Relays and Modules - Cruise Control
  - Cruise Control Module
- Relays and Modules - HVAC
- Relays and Modules - Instrument Panel
- Relays and Modules - Lighting and Horns
  - Interior Lighting Relay
  - Low Beam Check Relay
- Relays and Modules - Power and Ground Distribution
  - Power Distribution Module
  - Relay Box
- Relays and Modules - Powertrain Management
- Relays and Modules - Restraints and Safety Systems
  - Air Bag Control Module
- Relays and Modules - Starting and Charging
  - Starter Relay
- Relays and Modules - Transmission and Drivetrain
  - Relays and Modules - A/T
    - Control Module
- Relays and Modules - Windows and Glass
  - Power Window Relay
Sensors and Switches
- Sensors and Switches - Body and Frame
- Sensors and Switches - Brakes and Traction Control
- Sensors and Switches - Cooling System
  - Coolant Level Sensor
  - Engine - Coolant Temperature Sensor/Switch
- Sensors and Switches - Cruise Control
  - Clutch Switch
  - Cruise Control Switch
- Sensors and Switches - Engine
  - Oil Level Sensor
  - Oil Pressure Sender
- Sensors and Switches - HVAC
- Sensors and Switches - Instrument Panel
- Sensors and Switches - Lighting and Horns
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Restraints and Safety Systems
- Sensors and Switches - Starting and Charging
  - Ignition Switch
- Sensors and Switches - Steering and Suspension
  - Sensors and Switches - Suspension
    - Ride Height Sensor
    - Suspension Control Pressure Sensor/Switch
  - Sensors and Switches - Wheels and Tires
    - Tire Pressure Sensor
- Sensors and Switches - Transmission and Drivetrain
  - Sensors and Switches - A/T
    - Transmission Position Sensor/Switch
- Sensors and Switches - Windows and Glass
  - Power Window Safety Switch
  - Power Window Switch
- Sensors and Switches - Wiper and Washer Systems
Maintenance
- Alignment
- Tune-up and Engine Performance Checks
- Timing Component Alignment Marks
- Filters
- Hoses
  - Hose/Line HVAC
  - Service Precautions
- Fluids
- Brake Bleeding
- Air Bag(s) Arming and Disarming
- Fuses and Circuit Breakers
- Service Reminder Indicators
- Wheels and Tires
- Application and ID
  - Service Intervals and When to Use Which Service
  - Severe Service Defined
- Description and Operation
- Service Intervals
  - Severe Service Defined
    - Notes on "Severe Service"
  - Condition/Indicator Based Maintenance Services
    - Indicator Based Service
- Specifications
- Technical Service Bulletins
Engine, Cooling and Exhaust
- Engine
- Cooling System
- Exhaust System
- Technical Service Bulletins
Powertrain Management
- Relays and Modules - Powertrain Management
- Sensors and Switches - Powertrain Management
- Tune-up and Engine Performance Checks
- Computers and Control Systems
- Emission Control Systems
- Fuel Delivery and Air Induction
- Ignition System
- Transmission Control Systems
- PROM - Programmable Read Only Memory
- Application and ID
- Diagrams
- Technical Service Bulletins
Transmission and Drivetrain
- Actuators and Solenoids - Transmission and Drivetrain
  - Actuators and Solenoids - A/T
    - Pressure Regulating Solenoid
    - Shift Solenoid
- Automatic Transmission/Transaxle
- Automatically Shifted Manual Transmission/Transaxle
- Clutch
- Differential Assembly
- Drive Axles, Bearings and Joints
- Drive/Propeller Shafts, Bearings and Joints
- Flex Plate
- Flywheel
- Manual Transmission/Transaxle
- Relays and Modules - Transmission and Drivetrain
  - Relays and Modules - A/T
    - Control Module
- Sensors and Switches - Transmission and Drivetrain
  - Sensors and Switches - A/T
    - Transmission Position Sensor/Switch
- Transfer Case
  - Fluid - Transfer Case
- Transmission Control Systems
- Specifications
- Technical Service Bulletins
Brakes and Traction Control
- Antilock Brakes / Traction Control Systems
- Brake Bleeding
- Brake Pedal Assy
- Brake Warning Indicator
- 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
- Service Precautions
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
    - After Repairs Test Drive
    - Initial Test Drive
  - Symptom Related Diagnostic Procedures
- Locations
- Technical Service Bulletins
Starting and Charging
- Sensors and Switches - Starting and Charging
  - Ignition Switch
- Relays and Modules - Starting and Charging
  - Starter Relay
- Battery
- Charging System
- Starting System
- Power and Ground Distribution
- Technical Service Bulletins
Power and Ground Distribution
- Electrical Accessory Panel
- Fuse
- Fuse Block
- Multiple Junction Connector
- Power Distribution Module
- Relays and Modules - Power and Ground Distribution
  - Power Distribution Module
  - Relay Box
- Relay Box
- Wiring Harness
- Diagrams
- Technical Service Bulletins
Steering and Suspension
- Alignment
- Sensors and Switches - Steering and Suspension
  - Sensors and Switches - Suspension
    - Ride Height Sensor
    - Suspension Control Pressure Sensor/Switch
  - Sensors and Switches - Wheels and Tires
    - Tire Pressure Sensor
- Steering
- Suspension
- Wheels and Tires
- Service Precautions
- Technical Service Bulletins
Heating and Air Conditioning
- Air Door
  - Air Door Actuator / Motor
  - Air Door Position Sensor / Switch
  - Technical Service Bulletins
- Air Duct
- Ambient Temperature Sensor / Switch HVAC
- Blower Motor
- Blower Motor Resistor
- Blower Motor Switch
- Cabin Temperature Sensor / Switch
- Compressor HVAC
  - Compressor Clutch
  - Description and Operation
  - Testing and Inspection
  - Diagrams
  - Technical Service Bulletins
- Compressor Clutch Diode HVAC
- Condenser HVAC
- Condenser Fan
  - Condenser Fan Motor
  - Description and Operation
- Control Assembly
- Control Module HVAC
- Evaporator Case
- Evaporator Core
- Evaporator Pressure Regulator
- Evaporator Temperature Sensor / Switch
- Expansion Valve
- Heater Control Valve
- Heater Core
- Heater Core Case
- Heater Core Temperature Sensor / Switch
- High Pressure Safety Valve HVAC
- Hose/Line HVAC
- Receiver Dryer
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Refrigerant Temperature Sensor
- Relays and Modules - HVAC
  - Control Module HVAC
  - System Relay
  - Technical Service Bulletins
- Sensors and Switches - HVAC
  - Air Door Position Sensor / Switch
  - Ambient Temperature Sensor / Switch HVAC
  - Blower Motor Switch
  - Cabin Temperature Sensor / Switch
  - Evaporator Temperature Sensor / Switch
  - Heater Core Temperature Sensor / Switch
  - Refrigerant Pressure Sensor / Switch
  - Refrigerant Temperature Sensor
- System Relay
- Service Precautions
  - Environmental Impact Information
    - General Information
    - Refrigerant Handling Certification Requirements
  - Technician Safety Information
- Description and Operation
  - Air Conditioning (A/C) System
  - Refrigerant
  - Refrigerant Circuit
  - Theory of Heat and Refrigeration
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
  - Component Tests and General Diagnostics
    - System Performance Test
    - Use of Pressure Gauges For A/C Diagnosis - Refrigerant System
- Locations
  - Climate Control
  - Heater Blower Housing
- Service and Repair
  - Retrofitting
  - Refrigerant System Service
- Diagrams
  - Diagram Information and Instructions
  - Diagnostic Aids
  - Electrical Diagrams
  - Mechanical Diagrams
- Specifications
  - Capacity Specifications
  - Fluid Type Specifications
- Technical Service Bulletins
- Tools and Equipment
  - Refrigerant Equipment
  - Refrigeration Service Equipment
  - Temperature Sensing Equipment
Restraints and Safety Systems
- Air Bag Systems
- Relays and Modules - Restraints and Safety Systems
  - Air Bag Control Module
- Seat Belt Systems
- Sensors and Switches - Restraints and Safety Systems
- Technical Service Bulletins
Accessories and Optional Equipment
- Antenna
- Antitheft and Alarm Systems
- Cellular Phone
- Central Control Module
- Collision Avoidance and Parking Assist Systems
- Entertainment Systems
- Garage Door Opener Transmitter
- Global Positioning System
- Memory Positioning Systems
- Navigation System
- Night Vision System
- Radio, Stereo, and Compact Disc
- Relays and Modules - Accessories and Optional Equipment
  - Central Control Module
  - Ignition Shut Down Relay (For Antitheft)
- Trip Computer
- Technical Service Bulletins
Body and Frame
- Air Bag(s) Arming and Disarming
- Doors, Hood and Trunk
- Frame
  - Subframe
  - Technical Service Bulletins
- Interior Moulding / Trim
- Locks
- Mirrors
- Paint, Striping and Decals
  - Paint
- Relays and Modules - Body and Frame
- Roof and Associated Components
  - Sunroof / Moonroof
  - Technical Service Bulletins
- Seats
- Sensors and Switches - Body and Frame
- Weatherstrip
  - Sunroof / Moonroof Weatherstrip
- Technical Service Bulletins
Cruise Control
- Clutch Switch
- Cruise Control Module
- Cruise Control Servo
- Cruise Control Switch
- Relays and Modules - Cruise Control
  - Cruise Control Module
- Sensors and Switches - Cruise Control
  - Clutch Switch
  - Cruise Control Switch
- Diagrams
- Technical Service Bulletins
Instrument Panel, Gauges and Warning Indicators
- ABS Light
- Active Check Module
- Air Bag Deactivation Indicator
- Air Conditioning Indicator Lamp
- Audible Warning Device
- Audible Warning Device Control Module
- Brake Warning Indicator
  - Brake Pad Wear Sensor
  - Testing and Inspection
  - Service and Repair
- Dashboard / Instrument Panel
  - Air Bag(s) Arming and Disarming
  - Service and Repair
  - Diagrams
  - Technical Service Bulletins
- Emissions Maintenance Light
- Fuel Gauge
- Fuel Gauge Sender
- Instrument Cluster / Carrier
  - Air Bag(s) Arming and Disarming
  - Instrument Panel Circuit Board
  - Testing and Inspection
    - With BMW Simulator
    - Without BMW Simulator
  - Service and Repair
  - Technical Service Bulletins
- Low Beam Indicator
- Maintenance Required Lamp/Indicator
  - Maintenance Required Reset Switch
  - Service Precautions
  - Description and Operation
  - Testing and Inspection
  - Locations
  - Service and Repair
    - With BMW Special Tool
    - Without BMW Special Tool
  - Technical Service Bulletins
  - Tools and Equipment
- Odometer
- Oil Pressure Sender
- Parking Brake Warning Switch
- Relays and Modules - Instrument Panel
  - Active Check Module
  - Audible Warning Device Control Module
  - Speedometer Module
- Sensors and Switches - Instrument Panel
  - Brake Pad Wear Sensor
  - Fuel Gauge Sender
  - Maintenance Required Reset Switch
  - Parking Brake Warning Switch
- Speedometer Head
- Speedometer Module
- Tachometer
- Temperature Gauge
- Tire Monitoring System
  - Tire Pressure Sensor
  - Technical Service Bulletins
- Traction Control Indicator Lamp
- Diagrams
  - Diagram Information and Instructions
  - Diagnostic Aids
  - Electrical Diagrams
    - Inst. Panel & Trans. Selector Lamp Wiring Circuit
    - Gauges, Speedometer & Warning Indicator Wiring Circuit
      - Part 1 of 2
      - Part 2 of 2
- Technical Service Bulletins
Lighting and Horns
- Backup Lamp
  - Backup Lamp Switch
  - Diagrams
- Brake Lamp
- Brake Light Switch
- Courtesy Lamp
- Flashlight
- Fog/Driving Lamp
- Hazard Warning Lamps
  - Hazard Warning Flasher
  - Hazard Warning Switch
- Headlamp
  - Headlamp Switch
  - Low Beam Check Relay
  - Diagrams
  - Technical Service Bulletins
- Horn
  - Horn Switch
  - Locations
  - Diagrams
  - Technical Service Bulletins
- Interior Lighting Relay
- License Plate Lamp
- Marker Lamp
- Parking Lamp
- Relays and Modules - Lighting and Horns
  - Interior Lighting Relay
  - Low Beam Check Relay
- Sensors and Switches - Lighting and Horns
  - Backup Lamp Switch
  - Brake Light Switch
  - Hazard Warning Switch
  - Headlamp Switch
  - Horn Switch
  - Turn Signal Switch
- Tail Lamp
- Trunk Lamp
- Turn Signals
  - Turn Signal Flasher
  - Turn Signal Switch
  - Diagrams
- Diagrams
  - Diagram Information and Instructions
  - Diagnostic Aids
  - Electrical Diagrams
    - Lighting
    - Horns
- Technical Service Bulletins
Windows and Glass
- Rear Defogger
- Relays and Modules - Windows and Glass
  - Power Window Relay
- Sensors and Switches - Windows and Glass
  - Power Window Safety Switch
  - Power Window Switch
- Windows
- Windshield
- Technical Service Bulletins
Wiper and Washer Systems
- Sensors and Switches - Wiper and Washer Systems
- Washer Fluid
- Washer Fluid Heater
- Washer Fluid Level Switch
- Windshield Washer Pump
- Windshield Washer Reservoir
- Windshield Washer Switch
- Wiper Blade
- Wiper Motor
- Wiper Switch
- Diagrams
- Technical Service Bulletins
Application and ID
Testing and Inspection
- Description of Automotive Signals
  - The 5 Primary Types of Automotive Signals
  - The 5 Critical Dimensions
- Diagnosis Using A Labscope
- Labscope Quick Reference Appendix
- Labscope Testing Component Index
Locations
- Component Locations
  - A - Z Component List
    - Location Index
    - Location Views
  - Additional Information
- Connector Locations
  - Location Index
  - Location Views
- Ground Locations
  - Location Index
  - Location Views
- Splice Locations
  - Splice Location Index
  - Splice Location Views
- Harness Locations
Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- Exploded Views
- Connector Views
- Electrical Diagrams
- Mechanical Diagrams
  - Automatic Transmission/Transaxle
    - System Diagram
    - Valve Body, A/T
  - Heating and Air Conditioning
- Fluid Diagrams
  - Cooling System
  - Engine Lubrication
    - Engine Oil Circuit
    - Full Flow Oil Circuit
- Vacuum and Vapor Hose Diagrams
  - Evaporative Emissions System
  - Positive Crankcase Ventilation
- Components
  - Location Index
  - Location Views
- Connectors
  - Location Index
  - Location Views
- Grounds
  - Location Index
  - Location Views
- Splices
  - Splice Location Index
  - Splice Location Views
- Harness
Specifications
- Electrical Specifications
- Mechanical Specifications
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
Technical Service Bulletins