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
  - Electronic Brake Control Module
- Relays and Modules - Cooling System
  - Radiator Cooling Fan Control Module
  - Radiator Cooling Fan Motor Relay
- Relays and Modules - HVAC
  - Compressor Clutch Relay
  - System Relay
- Relays and Modules - Instrument Panel
  - A/T Shift Indicator Module
- Relays and Modules - Lighting and Horns
- Relays and Modules - Power and Ground Distribution
  - Power Distribution Relay
- 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 - Steering and Suspension
- Relays and Modules - Transmission and Drivetrain
  - Relays and Modules - A/T
    - Control Module
    - Technical Service Bulletins
  - Technical Service Bulletins
- Relays and Modules - Windows and Glass
  - Heated Glass Element Relay
- Relays and Modules - Wiper and Washer Systems
  - Wiper Control Module
  - Wiper Relay
Sensors and Switches
- Sensors and Switches - Accessories and Optional Equipment
  - Steering Mounted Controls Assembly
- 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
    - Coolant Temperature Sensor/Switch (For Computer)
    - Diagrams
- Sensors and Switches - Cruise Control
  - Brake Switch (Cruise Control)
  - Clutch Switch
- Sensors and Switches - Engine
  - Oil Pressure Sensor
- Sensors and Switches - HVAC
  - Refrigerant Pressure Sensor / Switch
- 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
- Sensors and Switches - Steering and Suspension
  - Sensors and Switches - Wheels and Tires
    - Tire Pressure Sensor
- Sensors and Switches - Transmission and Drivetrain
- Sensors and Switches - Windows and Glass
  - Power Window Switch
- Sensors and Switches - Wiper and Washer Systems
  - Windshield Washer Switch
  - Wiper Switch
Maintenance
- Alignment
- Tune-up and Engine Performance Checks
- Timing Component Alignment Marks
- Drive Belt
- Filters
- Hoses
- Fluids
- Brake Bleeding
- Air Bag(s) Arming and Disarming
- Fuses and Circuit Breakers
- Service Reminder Indicators
- Wheels and Tires
- Jump Starting
- Towing Information
- Vehicle Lifting
- Service Intervals
- 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
- Locations
- Diagrams
- Specifications
- Technical Service Bulletins
Transmission and Drivetrain
- Actuators and Solenoids - Transmission and Drivetrain
  - Actuators and Solenoids - A/T
- Automatic Transmission/Transaxle
- Clutch
- Continuously Variable Transmission/Transaxle
  - Shift Interlock
  - Technical Service Bulletins
- Drive Axles, Bearings and Joints
- Flex Plate
- Flywheel
- Lamps and Indicators - Transmission and Drivetrain
  - Lamps and Indicators - A/T
    - Shift Indicator - A/T
      - A/T Shift Indicator Module
- Manual Transmission/Transaxle
- Relays and Modules - Transmission and Drivetrain
  - Relays and Modules - A/T
    - Control Module
    - Technical Service Bulletins
  - Technical Service Bulletins
- Sensors and Switches - Transmission and Drivetrain
- Transfer Case
  - Sensors and Switches - Transfer Case
    - Speed Sensor
  - Speed Sensor
- Transmission Control Systems
- Service Precautions
- Technical Service Bulletins
Brakes and Traction Control
- Antilock Brakes / Traction Control Systems
- Brake Bleeding
- Brake Pedal Assy
- Brake Warning Indicator
- Disc Brake System
- Drum Brake System
- Hydraulic System
- Parking Brake System
- Power Brake Assist
  - Vacuum Brake Booster
  - Vacuum Brake Booster Check Valve
- Relays and Modules - Brakes and Traction Control
  - Electronic Brake Control Module
- Sensors and Switches - Brakes and Traction Control
- Service Precautions
  - Technician Safety Information
    - Brake Dust Caution
    - Brake Fluid Irritant Caution
  - Vehicle Damage Warnings
- Specifications
  - Disc Brake Component Specifications
  - Drum Brake Component Specifications
- Technical Service Bulletins
Starting and Charging
- Sensors and Switches - Starting and Charging
- Relays and Modules - Starting and Charging
  - Starter Relay
- Battery
- Charging System
- Starting System
- Power and Ground Distribution
- Description and Operation
- Testing and Inspection
- Locations
- Diagrams
- Specifications
- Technical Service Bulletins
Power and Ground Distribution
- Auxiliary Power Outlet
- Electronic Noise Suppressor
- Fuse
- Fuse Block
- Ground Strap
- Grounding Point
- Multiple Junction Connector
- Power Distribution Relay
- Relays and Modules - Power and Ground Distribution
  - Power Distribution Relay
- Wiring Harness
- Service Precautions
  - Technician Safety Information
  - Vehicle Damage Warnings
- Description and Operation
- Testing and Inspection
- Locations
- Diagrams
- Specifications
- Technical Service Bulletins
- Tools and Equipment
Steering and Suspension
- Alignment
- Relays and Modules - Steering and Suspension
- Sensors and Switches - Steering and Suspension
  - Sensors and Switches - Wheels and Tires
    - Tire Pressure Sensor
- Steering
- Suspension
- Wheels and Tires
- Technical Service Bulletins
Heating and Air Conditioning
- Air Door
  - Air Door Actuator / Motor
  - Air Door Cable
- Air Duct
- Air Register
- Blower Motor
- Blower Motor Resistor
- Cabin Air Filter / Purifier
- Cabin Ventilation Grille
- Compressor HVAC
  - Compressor Clutch
  - Service and Repair
    - Air Conditioning Compressor Oil Balancing
    - Air Conditioning Compressor Replacement
- Compressor Clutch Relay
- Condenser HVAC
- Control Assembly
- Coupler HVAC
  - A/C Coupler O-ring
- Evaporator Core
- Expansion Valve
- Heater Core
- Heater Core Case
- Heater Hose
- Hose/Line HVAC
- Housing Assembly HVAC
- Refrigerant
- Refrigerant Filter
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Relays and Modules - HVAC
  - Compressor Clutch Relay
  - System Relay
- Sensors and Switches - HVAC
  - Refrigerant Pressure Sensor / Switch
- Service Port HVAC
- System Relay
- Description and Operation
  - Air Delivery Description and Operation
  - Air Temperature Description and Operation
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
    - Air Conditioning (A/C) System Performance Test
    - Diagnostic Starting Point - Heating, Ventilation and Air Conditioning
  - Symptom Related Diagnostic Procedures
    - Diagnosis By Symptom - Heating, Ventilation and Air Conditioning
    - Diagnosis By Symptom - HVAC System - Manual
  - Component Tests and General Diagnostics
  - Scan Tool Testing and Procedures
- Locations
- Service and Repair
  - Odor Correction
  - Refrigerant Recovery and Recharging
- Diagrams
  - Diagram Information and Instructions
    - Electrical Symbols
    - Passenger Car Zoning
  - Diagnostic Aids
  - Electrical Diagrams
- Specifications
  - Mechanical Specifications
    - Heating, Ventilation, and Air Conditioning
    - HVAC - Manual
  - Capacity Specifications
- Technical Service Bulletins
- Tools and Equipment
  - Heating, Ventilation, and Air Conditioning
  - HVAC - Manual
Restraints and Safety Systems
- Repairs and Inspections Required After a Collision
- Air Bag Systems
- Head Restraint System
  - Head Rest
  - Technical Service Bulletins
- Relays and Modules - Restraints and Safety Systems
  - Air Bag Control Module
- Seat Belt Systems
- Sensors and Switches - Restraints and Safety Systems
- Service Precautions
- Technical Service Bulletins
Accessories and Optional Equipment
- Antenna
  - Antenna Mast
  - Antenna, Navigation
  - Antenna, Phone
  - Antenna, Radio
    - Antenna Cable
    - Service and Repair
      - Antenna Replacement - Cellular Communications/Digital Radio
      - Digital Radio Antenna Replacement
  - Service and Repair
- Antitheft and Alarm Systems
  - Keyless Entry
  - Description and Operation
  - Testing and Inspection
  - Diagrams
  - Technical Service Bulletins
- Cellular Phone
  - Cellular Phone Microphone
  - Communications Control Module
  - Testing and Inspection
  - Technical Service Bulletins
- Central Control Module
- Driver/Vehicle Information Display
- Emergency Contact Module
- Entertainment Systems
  - Auxiliary Input / Output Jack
  - Headphones / Earphones
  - Technical Service Bulletins
- Global Positioning System
- Navigation System
  - Navigation Module
  - Technical Service Bulletins
- Radio, Stereo, and Compact Disc
  - Amplifier
  - Compact Disc Player (CD)
  - Radio/Stereo
  - Remote Control
  - Speaker
  - Testing and Inspection
  - Technical Service Bulletins
- Relays and Modules - Accessories and Optional Equipment
  - Central Control Module
  - Communications Control Module
  - Emergency Contact Module
  - Navigation Module
  - Relay Module
  - Technical Service Bulletins
- Relay Module
- Sensors and Switches - Accessories and Optional Equipment
  - Steering Mounted Controls Assembly
- Steering Mounted Controls Assembly
- Towing / Trailer System
  - Towing Information
- Description and Operation
  - OnStar Description and Operation
  - Radio/Audio System Description and Operation
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
  - Symptom Related Diagnostic Procedures
  - Scan Tool Testing and Procedures
    - Cellular, Entertainment, and Navigation
    - Remote Functions
  - Programming and Relearning
- Locations
- Diagrams
  - Diagram Information and Instructions
    - Electrical Symbols
    - Passenger Car Zoning
  - Diagnostic Aids
  - Electrical Diagrams
- Specifications
- Technical Service Bulletins
Body and Frame
- Air Bag(s) Arming and Disarming
- Repairs and Inspections Required After a Collision
- Body Control Systems
  - Body Control Module
  - Description and Operation
  - Diagrams
- Bumper
  - Front Bumper
  - Rear Bumper
  - Specifications
- Cabin Ventilation Grille
- Cowl
- Doors, Hood and Trunk
  - Doors
  - Fuel Door
  - Hood
  - Trunk / Liftgate
  - Technical Service Bulletins
- Exterior Moulding / Trim
  - Body Emblem
  - License Plate Bracket
  - Windshield Moulding / Trim
  - Service Precautions
  - Specifications
  - Technical Service Bulletins
- Fender
  - Front Fender
    - Front Fender Liner
    - Service and Repair
  - Rear Fender
    - Rear Fender Liner
- Frame
  - Body / Frame Mount Bushing
  - Subframe
    - Front Subframe
  - Specifications
  - Technical Service Bulletins
  - Tools and Equipment
- Grille
- Interior Moulding / Trim
  - Arm Rest
  - Carpet
  - Console
  - Dashboard / Instrument Panel
  - Drink Holders
  - Glove Compartment
  - Headliner
  - Rear Shelf
  - Scuff Plate
  - Sun Visor
  - Trim Panel
  - Service and Repair
    - Coat Hook Replacement
    - Windshield Garnish Molding Replacement
  - Specifications
  - Technical Service Bulletins
- Locks
  - Door Locks
    - Door Lock Cylinder
    - Service and Repair
  - Key
  - Keyless Entry
  - Power Locks
    - Power Door Lock Switch
  - Trunk / Liftgate Lock Cylinder
  - Description and Operation
    - Luggage Compartment Description and Operation
    - Power Door Locks Description and Operation
  - Testing and Inspection
  - Locations
  - Service and Repair
  - Diagrams
  - Specifications
  - Technical Service Bulletins
- Mirrors
  - Heated Element
  - Power Mirror Motor
  - Power Mirror Switch
  - Description and Operation
    - Automatic Day-Night Mirror Description and Operation
    - Outside Mirror Description and Operation
  - Testing and Inspection
    - Initial Inspection and Diagnostic Overview
    - Symptom Related Diagnostic Procedures
  - Locations
  - Service and Repair
    - Procedures
    - Removal and Replacement
  - Diagrams
  - Specifications
  - Technical Service Bulletins
- Paint, Striping and Decals
  - Paint
- Roof and Associated Components
  - Sunroof / Moonroof
  - Technical Service Bulletins
- Seats
  - Head Rest
  - Head Restraint System
    - Head Rest
    - Technical Service Bulletins
  - Seat Back
  - Seat Cover
  - Seat Cushion
  - Seat Latch
  - Description and Operation
  - Testing and Inspection
  - Service and Repair
  - Specifications
  - Technical Service Bulletins
- Sensors and Switches - Body and Frame
  - Power Door Lock Switch
  - Power Mirror Switch
  - Sunroof / Moonroof Switch
  - Trunk / Liftgate Switch
- Sound Proofing / Insulation
- Splash Guard
- Spoilers, Flaps, and Air Dams
  - Spoiler
- Strut / Shock Tower
- Unibody
  - Cowl
  - Description and Operation
    - General Body Construction (Unibody) Description
    - General Body Construction (Unibody)
- Weatherstrip
  - Front Door Weatherstrip
  - Hood Weatherstrip
  - Rear Door Weatherstrip
  - Trunk / Liftgate Weatherstrip
  - Technical Service Bulletins
- Service Precautions
  - Approved Equipment for Collision Repair Caution
  - Collision Sectioning Caution
  - Glass and Sheet Metal Handling Caution
- Application and ID
- Description and Operation
  - General Body Construction (Unibody) Description
  - Frame and Underbody Description
- Testing and Inspection
  - Symptom Related Diagnostic Procedures
  - Component Tests and General Diagnostics
- Locations
- Specifications
  - Fastener Tightening Specifications
  - Bolted Exterior Body Panels and Closures
- Technical Service Bulletins
Cruise Control
- Brake Switch (Cruise Control)
- Clutch Switch
- Sensors and Switches - Cruise Control
  - Brake Switch (Cruise Control)
  - Clutch Switch
- Description and Operation
- Testing and Inspection
- Locations
- Diagrams
Instrument Panel, Gauges and Warning Indicators
- Boost Gauge - Supercharger
- Brake Warning Indicator
- Cigarette Lighter
- Compass
- Dashboard / Instrument Panel
  - Air Bag(s) Arming and Disarming
  - Service and Repair
  - Specifications
- Dimmer Switch
- Door Switch
- Driver/Vehicle Information Display
- Fuel Gauge
- Fuel Gauge Sender
- Instrument Cluster / Carrier
  - Air Bag(s) Arming and Disarming
  - Description and Operation
  - Testing and Inspection
  - Locations
  - Service and Repair
  - Diagrams
  - Technical Service Bulletins
- Low Tire Pressure Indicator
- Maintenance Required Lamp/Indicator
- Malfunction Indicator Lamp
- Odometer
- Oil Change Reminder Lamp
- Outside Temperature Display
  - Outside Temperature Display Sensor
- Parking Brake Warning Switch
- Relays and Modules - Instrument Panel
  - A/T Shift Indicator Module
- Sensors and Switches - Instrument Panel
  - Dimmer Switch
  - Door Switch
  - Fuel Gauge Sender
  - Outside Temperature Display Sensor
  - Parking Brake Warning Switch
- Shift Indicator - A/T
  - A/T Shift Indicator Module
- Tire Monitoring System
  - Low Tire Pressure Indicator
  - Tire Pressure Module
  - Tire Pressure Monitor Receiver / Transponder
  - Tire Pressure Sensor
  - Technical Service Bulletins
- Transmission Shift Position Indicator Lamp
- Description and Operation
  - Audible Warnings Description and Operation
  - Compass Calibration and Magnetic Variance
  - Indicator/Warning Message Description and Operation
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
  - Symptom Related Diagnostic Procedures
  - Scan Tool Testing and Procedures
- Locations
- Diagrams
  - Diagram Information and Instructions
    - Electrical Symbols
    - Passenger Car Zoning
  - Diagnostic Aids
  - Connector Views
  - Electrical Diagrams
- Specifications
- Technical Service Bulletins
Lighting and Horns
- Ambient Light Sensor
- Backup Lamp
  - Backup Lamp Switch
  - Testing and Inspection
  - Diagrams
  - Technical Service Bulletins
- Brake Lamp
- Brake Light Switch
- Cargo Lamp
- Center Mounted Brake Lamp
- Courtesy Lamp
- Daytime Running Lamp
- Dimmer Switch
- Dome Lamp
  - Dome Lamp Bulb
  - Service and Repair
  - Diagrams
- Door Switch
- Fog/Driving Lamp
  - Fog/Driving Lamp Bulb
  - Fog/Driving Lamp Relay
  - Fog/Driving Lamp Switch
  - Testing and Inspection
  - Adjustments
  - Service and Repair
    - Front Fog Lamp Replacement (Coupe)
    - Front Fog Lamp Replacement (Sedan)
  - Diagrams
  - Technical Service Bulletins
- Hazard Warning Lamps
  - Hazard Warning Switch
  - Testing and Inspection
  - Diagrams
- Headlamp
  - Headlamp Bulb
  - Headlamp Relay
  - Testing and Inspection
  - Adjustments
  - Service and Repair
  - Diagrams
  - Technical Service Bulletins
- Horn
  - Horn Relay
  - Horn Switch
  - Service Precautions
    - Technician Safety Information
    - Vehicle Damage Warnings
  - Description and Operation
  - Testing and Inspection
  - Locations
  - Service and Repair
  - Diagrams
  - Specifications
- License Plate Lamp
- Map Light
  - Map Light Bulb
  - Service and Repair
  - Diagrams
- Marker Lamp
  - Marker Lamp Bulb
  - Testing and Inspection
  - Locations
  - Service and Repair
  - Diagrams
- Parking Lamp
  - Parking Light Bulb
  - Testing and Inspection
  - Locations
  - Diagrams
  - Technical Service Bulletins
- Relays and Modules - Lighting and Horns
  - Fog/Driving Lamp Relay
  - Headlamp Relay
  - Horn Relay
- Sensors and Switches - Lighting and Horns
  - Ambient Light Sensor
  - Backup Lamp Switch
  - Brake Light Switch
  - Combination Switch
  - Door Switch
  - Fog/Driving Lamp Switch
  - Hazard Warning Switch
  - Horn Switch
  - Turn Signal Switch
- Tail Lamp
  - Tail Light Bulb
  - Testing and Inspection
  - Service and Repair
  - Diagrams
  - Technical Service Bulletins
- Turn Signals
  - Combination Switch
  - Turn Signal Lamp
  - Turn Signal Switch
  - Testing and Inspection
  - Diagrams
- Vanity Lamp
- Service Precautions
- Description and Operation
  - Exterior Lighting Systems Description and Operation
  - Interior Lighting Systems Description and Operation
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
  - Symptom Related Diagnostic Procedures
  - Scan Tool Testing and Procedures
- Locations
- Diagrams
  - Diagram Information and Instructions
    - Electrical Symbols
    - Passenger Car Zoning
  - Diagnostic Aids
  - Electrical Diagrams
- Specifications
- Technical Service Bulletins
Windows and Glass
- Heated Glass Element
- Rear Defogger
- Relays and Modules - Windows and Glass
  - Heated Glass Element Relay
- Sensors and Switches - Windows and Glass
  - Power Window Switch
- Windows
- Windshield
- Service Precautions
  - Technician Safety Information
  - Vehicle Damage Warnings
- Service and Repair
- Technical Service Bulletins
Wiper and Washer Systems
- Relays and Modules - Wiper and Washer Systems
  - Wiper Control Module
  - Wiper Relay
- Sensors and Switches - Wiper and Washer Systems
  - Windshield Washer Switch
  - Wiper Switch
- Windshield Washer Hose
- Windshield Washer Pump
- Windshield Washer Reservoir
- Windshield Washer Spray Nozzle
- Windshield Washer Switch
- Wiper Arm
- Wiper Blade
- Wiper Control Module
- Wiper Gear Box
- Wiper Motor
- Wiper Relay
- Wiper Switch
- Description and Operation
- Testing and Inspection
  - Symptom Related Diagnostic Procedures
  - Scan Tool Testing and Procedures
- Locations
- Service and Repair
- Diagrams
  - Diagram Information and Instructions
    - Electrical Symbols
    - Passenger Car Zoning
  - Diagnostic Aids
  - Electrical Diagrams
- Specifications
- Technical Service Bulletins
- Tools and Equipment
Service Precautions
- Technician Safety Information
- Vehicle Damage Warnings
Application and ID
- Registered and Non-Registered Trademarks
- RPO Code List
- Vehicle, Engine and Transmission ID and VIN Location, Derivative and Usage
- Vehicle Certification, Tire Placard, Anti-Theft, and Service Parts ID Label
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Component Tests and General Diagnostics
- Programming and Relearning
Locations
- Component Locations
- Connector Locations
  - Master Connector List
  - Connectors By Number
- Ground Locations
  - Master Grounds List
  - Grounds By Number
- Splice Locations
- Harness Locations
Service and Repair
- Procedures
  - Fasteners
  - Thread Inserts
- Removal and Replacement
Diagrams
- Diagram Information and Instructions
  - Electrical Symbols
  - Passenger Car Zoning
- Diagnostic Aids
- Exploded Views
- Connector Views
- Electrical Diagrams
- Fluid Diagrams
  - Automatic Transmission/Transaxle
    - Flow Diagrams
    - Fluid Passages
  - Hydraulic System, Brakes
    - Hydraulic Brake Pipe Routing - Master Cylinder to ABS
    - Hydraulic Brake Pipe Routing - Master Cylinder to Proportioning Valve Assembly
- Vacuum and Vapor Hose Diagrams
  - Emission Control Systems
    - Emission Hose Routing Diagram
    - Evaporative Emissions Hose Routing Diagram
- Components
- Connectors
  - Master Connector List
  - Connectors By Number
- Grounds
  - Master Grounds List
  - Grounds By Number
- Splices
- Harness
Specifications
- Electrical Specifications
- Mechanical Specifications
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
Technical Service Bulletins
Tools and Equipment
Fundamentals and Basics
Diagnostic Trouble Codes