Repair and Diagnosis

A L L Diagnostic Trouble Codes ( DTC )
Relays and Modules
- Relays and Modules - Accessories and Optional Equipment
  - Relay Module
- Relays and Modules - Body and Frame
  - Power Door Lock Relay
- Relays and Modules - Brakes and Traction Control
  - Electronic Brake Control Module
- Relays and Modules - Cruise Control
  - Cruise Control Module
- Relays and Modules - Instrument Panel
  - Fuel Distance/Mileage Module
- Relays and Modules - Powertrain Management
  - Relays and Modules - Computers and Control Systems
    - Engine Control Module
- Relays and Modules - Steering and Suspension
  - Relays and Modules - Wheels and Tires
    - Tire Pressure Monitor Receiver / Transponder
Sensors and Switches
- Sensors and Switches - Cooling System
  - Engine - Coolant Temperature Sensor/Switch
    - Radiator Cooling Fan Temperature Sensor / Switch
- Sensors and Switches - Cruise Control
  - Brake Switch (Cruise Control)
  - Cruise Control Switch
- Sensors and Switches - Engine
  - Oil Pressure Sender
  - Oil Pressure Sensor
- Sensors and Switches - HVAC
  - Refrigerant Pressure Sensor / Switch
  - Technical Service Bulletins
- Sensors and Switches - Instrument Panel
  - Dimmer Switch
  - Fuel Gauge Sender
- Sensors and Switches - Lighting and Horns
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Restraints and Safety Systems
  - Seat Occupant Sensor
- Sensors and Switches - Starting and Charging
  - Ignition Switch
    - Ignition Switch Lock Cylinder
    - Service and Repair
  - Neutral Safety Switch
- Sensors and Switches - Steering and Suspension
  - Sensors and Switches - Suspension
    - Ride Height Sensor
- Sensors and Switches - Transmission and Drivetrain
  - Sensors and Switches - A/T
  - Sensors and Switches - Transfer Case
    - Four Wheel Drive Selector Switch
- Sensors and Switches - Wiper and Washer Systems
  - Wiper Switch
Maintenance
- Alignment
- Tune-up and Engine Performance Checks
- Drive Belt
- Filters
- Hoses
- Fluids
- Brake Bleeding
- Fuses and Circuit Breakers
  - Fuse
  - Service Precautions
- Service Reminder Indicators
- Wheels and Tires
- Application and ID
- Service Intervals
- Service and Repair
- Specifications
- Technical Service Bulletins
Engine, Cooling and Exhaust
- Engine
- Cooling System
- Exhaust System
  - Exhaust Manifold
- Technical Service Bulletins
Powertrain Management
- Relays and Modules - Powertrain Management
  - Relays and Modules - Computers and Control Systems
    - Engine Control Module
- 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
- Glow Plug System
- Transmission Control Systems
- PROM - Programmable Read Only Memory
- Service Precautions
  - Technician Safety Information
  - Vehicle Damage Warnings
- Application and ID
- Diagrams
- Technical Service Bulletins
Transmission and Drivetrain
- Actuators and Solenoids - Transmission and Drivetrain
  - Actuators and Solenoids - A/T
  - Actuators and Solenoids - Differential
    - Actuator
- Automatic Transmission/Transaxle
- Clutch
- Continuously Variable Transmission/Transaxle
- Differential Assembly
- Drive Axles, Bearings and Joints
- Drive/Propeller Shafts, Bearings and Joints
- Flex Plate
- Flywheel
- Lamps and Indicators - Transmission and Drivetrain
  - Lamps and Indicators - A/T
    - Maintenance Indicator - A/T
- Manual Transmission/Transaxle
- Sensors and Switches - Transmission and Drivetrain
  - Sensors and Switches - A/T
  - Sensors and Switches - Transfer Case
    - Four Wheel Drive Selector Switch
- Transfer Case
- Transmission Control Systems
- Diagrams
- 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
- Relays and Modules - Brakes and Traction Control
  - Electronic Brake Control Module
- Service Precautions
- Testing and Inspection
  - Symptom Related Diagnostic Procedures
  - Component Tests and General Diagnostics
- Service and Repair
- Technical Service Bulletins
Starting and Charging
- Sensors and Switches - Starting and Charging
  - Ignition Switch
    - Ignition Switch Lock Cylinder
    - Service and Repair
  - Neutral Safety Switch
- Battery
- Charging System
- Starting System
- Power and Ground Distribution
- Testing and Inspection
- Diagrams
- Technical Service Bulletins
Power and Ground Distribution
- Diode
- Fuse
- Ground Strap
- Grounding Point
- Multiple Junction Connector
- Wiring Harness
- Diagrams
- Technical Service Bulletins
Steering and Suspension
- Alignment
- Relays and Modules - Steering and Suspension
  - Relays and Modules - Wheels and Tires
    - Tire Pressure Monitor Receiver / Transponder
- Sensors and Switches - Steering and Suspension
  - Sensors and Switches - Suspension
    - Ride Height Sensor
- Steering
- Suspension
- Wheels and Tires
- Technical Service Bulletins
Heating and Air Conditioning
- Accumulator HVAC
- Air Door
  - Air Door Actuator / Motor
- Blower Motor
- Blower Motor Resistor
- Compressor HVAC
  - Compressor Clutch
  - Compressor Control Valve Assembly
  - Compressor Shaft Seal
  - Service Precautions
  - Description and Operation
  - Testing and Inspection
    - Compressor Diagnosis
    - Leak Testing
  - Service and Repair
    - Minor Compressor Repair Procedures
    - Major Compressor Repair Procedures
  - Diagrams
  - Specifications
    - Tightening Specifications
    - Compressor Clutch Air Gap
  - Technical Service Bulletins
  - Tools and Equipment
- Compressor Clutch Diode HVAC
- Condenser HVAC
- Control Assembly
- Evaporator Core
- Expansion Block/Orifice Tube
- Heater Control Valve
- Heater Core
- Heater Hose
- High Pressure Safety Valve HVAC
- Hose/Line HVAC
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Sensors and Switches - HVAC
  - Refrigerant Pressure Sensor / Switch
  - Technical Service Bulletins
- Service Port HVAC
- Service Precautions
  - Environmental Impact Information
  - Technician Safety Information
    - General Precautions
    - A/C System
- Description and Operation
  - With Air Conditioning
    - Front
    - Rear
      - With Heater
        With Rear A/C
        Without Rear A/C
      - Without Heater
  - Without Air Conditioning
    - Front
    - Rear
- Testing and Inspection
  - Symptom Related Diagnostic Procedures
  - Component Tests and General Diagnostics
    - Operational Test
    - System Operation Check
- Service and Repair
  - Charging the System
  - Discharging & Evacuating System
    - Discharging System
    - Evacuate System
      - With Vacuum Pump
      - Using Charging Station
  - Exercising System
  - Flushing A/C System
  - Oil Charge
    - Compressor Models With Cycling Clutch
      - With No Signs of Oil Leakage
        R-4 Compressor
        A-6 Compressor
        DA-6 Compressor
      - With Signs of Excessive Oil Leakage
        R-4 Compressor
        A-6 Compressor
        DA-6 Compressor
    - Models Less Cycling Clutch
  - R 134A Retrofit Procedures
- Diagrams
  - Diagram Information and Instructions
  - Diagnostic Aids
  - Electrical Diagrams
    - With Air Conditioning
      - Front Heater and A/C Blower Controls
      - Rear Air Conditioning
    - Without Air Conditioning
      - Front Heater
      - Rear Heater
  - Vacuum and Vapor Hose Diagrams
    - A/C Vacuum Circuit W/Manual System
    - With Manual A/C
      - Vacuum Tank/Hose Diagram
      - Dashboard Vacuum Hose Diagram
- Specifications
  - Refrigerant Capacities
    - Without Rear A/C
    - With Rear A/C
  - Refrigerant Oil
    - With Front A/C Only
    - With Front & Rear A/C
- Technical Service Bulletins
Restraints and Safety Systems
- Air Bag Systems
- Head Restraint System
  - Head Rest
  - Technical Service Bulletins
- Seat Belt Systems
- Sensors and Switches - Restraints and Safety Systems
  - Seat Occupant Sensor
- Technical Service Bulletins
Accessories and Optional Equipment
- Antitheft and Alarm Systems
  - Keyless Entry
    - Keyless Entry Transmitter
    - Technical Service Bulletins
  - Technical Service Bulletins
- Cellular Phone
- Radio, Stereo, and Compact Disc
- Relays and Modules - Accessories and Optional Equipment
  - Relay Module
- Relay Module
- Towing / Trailer System
  - Trailer Adapter Kit
- Technical Service Bulletins
Body and Frame
- Bumper
- Doors, Hood and Trunk
- Exterior Moulding / Trim
  - Body Emblem
  - Technical Service Bulletins
- Fender
- Frame
- Interior Moulding / Trim
- Locks
- Mirrors
- Paint, Striping and Decals
  - Paint
- Relays and Modules - Body and Frame
  - Power Door Lock Relay
- Roof and Associated Components
  - Sun Shade
- Seats
- Tailgate
- Weatherstrip
- Technical Service Bulletins
Cruise Control
- Brake Switch (Cruise Control)
- Cruise Control Module
- Cruise Control Servo
- Cruise Control Servo Cable
- Cruise Control Switch
- Cruise Control Vacuum Vent Solenoid
- Relays and Modules - Cruise Control
  - Cruise Control Module
- Sensors and Switches - Cruise Control
  - Brake Switch (Cruise Control)
  - Cruise Control Switch
- Vacuum Vent Valve
- Description and Operation
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
  - Component Tests and General Diagnostics
- Adjustments
- Diagrams
- Technical Service Bulletins
- Tools and Equipment
Instrument Panel, Gauges and Warning Indicators
- Air Conditioning Indicator Lamp
- Audible Warning Device
- Brake Warning Indicator
- Coolant Level Indicator Lamp
- Dashboard / Instrument Panel
- Dimmer Switch
- Fuel Distance/Mileage Module
- Fuel Gauge
- Fuel Gauge Sender
- Instrument Cluster / Carrier
- Maintenance Indicator - A/T
- Malfunction Indicator Lamp
- Odometer
- Oil Pressure Gauge
- Oil Pressure Sender
- Oil Pressure Warning Lamp/Indicator
- Relays and Modules - Instrument Panel
  - Fuel Distance/Mileage Module
- Seat Belt Reminder Lamp
- Sensors and Switches - Instrument Panel
  - Dimmer Switch
  - Fuel Gauge Sender
- Speedometer Head
- Temperature Gauge
- Temperature Warning Lamp/Indicator
- Tire Monitoring System
  - Tire Pressure Monitor Receiver / Transponder
  - Technical Service Bulletins
- Transmission Shift Position Indicator Lamp
- Volt Meter Gauge
- Water In Fuel Indicator
- Description and Operation
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
  - Component Tests and General Diagnostics
- Service and Repair
- Diagrams
  - Diagram Information and Instructions
  - Diagnostic Aids
  - Electrical Diagrams
- Technical Service Bulletins
Lighting and Horns
- Backup Lamp
  - Backup Lamp Switch
  - Diagrams
  - Technical Service Bulletins
- Brake Lamp
- Brake Light Switch
- Cargo Lamp
- Dimmer Switch
- Dome Lamp
- Fog/Driving Lamp
- Hazard Warning Lamps
  - Hazard Warning Flasher
  - Diagrams
- Headlamp
  - Headlamp Dimmer Switch
  - Headlamp Switch
  - Diagrams
  - Technical Service Bulletins
- Horn
- License Plate Lamp
- Marker Lamp
- Parking Lamp
- Sensors and Switches - Lighting and Horns
  - Backup Lamp Switch
  - Brake Light Switch
  - Headlamp Dimmer Switch
  - Headlamp Switch
  - Turn Signal Switch
- Tail Lamp
- Turn Signals
  - Turn Signal Flasher
  - Turn Signal Lamp
  - Turn Signal Switch
  - Diagrams
  - Technical Service Bulletins
- Underhood Lamp
- Vanity Lamp
- Service and Repair
- Technical Service Bulletins
Windows and Glass
- Heated Glass Element
- Rear Defogger
- Windows
- Windshield
- Technical Service Bulletins
Wiper and Washer Systems
- Sensors and Switches - Wiper and Washer Systems
  - Wiper Switch
- Wiper Blade
- Wiper Gear Box
- Wiper Motor
- Wiper Switch
- Testing and Inspection
  - Test Steps
  - Front Wiper
    - With Pulse
    - Without Pulse
- Diagrams
- Technical Service Bulletins
Application and ID
- Truck Body Identification
- Regular Production Option (RPO)
- Vehicle Identification Number (VIN)
Locations
- Connector Locations
- Fuse and Fusible Link Locations
- Ground Locations
- Splice Locations
- Grommet Locations
Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- Exploded Views
- Connector Views
- Electrical Diagrams
- Mechanical Diagrams
  - Fuel Injector Line
- Fluid Diagrams
  - Automatic Transmission/Transaxle
    - 3L80/3L80HD (400/475) Automatic Transmission
    - 4L60 (700-R4) Automatic Transmission
  - Engine Lubrication
- Vacuum and Vapor Hose Diagrams
- Connectors
- Fuse and Fusible Links
- Grounds
- Splices
- Grommets
Specifications
- Electrical Specifications
- Mechanical Specifications
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
Technical Service Bulletins
Tools and Equipment
- Connector Test Adapter Kit
- High Impedance Multimeter
- Unpowered Test Light
- Troubleshooting Tools
Diagnostic Trouble Codes