A Symptom Diagnosis

SYMPTOMS

IMPORTANT: The following steps must be completed before using the symptom tables.

1. Perform the Diagnostic System Check - Vehicle in Vehicle DTC Information before using the symptom table in order to verify that all of the following are true:
- There are no DTCs set.
- The modules can communicate via the serial data link. Diagnostic System Check - Vehicle
2. Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
- Instrument Panel Cluster (IPC) Description and Operation
- Indicator/Warning Message Description and Operation
- Driver Information Center (DIC) Description and Operation
- Audible Warnings Description and Operation

Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the audible warnings, driver information center (DIC), or instrument panel cluster (IPC).
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
- For any indicator or message relating to fluid level, a visual inspection of the fluid level before beginning diagnosis.
- Verify that the indicators and the message display works properly during the displays test.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

Audible Warnings
- Chime Always On
- Chime Inoperative
- Low Oil Pressure/Low Fuel Chime Inoperative

Driver Information Center (DIC)
- Driver Information Center (DIC) Compass Inaccurate or C Displayed
- Driver Information Center (DIC) Switch(es) Inoperative

Gages
- Engine Coolant Temperature Gage Inaccurate or Inoperative
- Fuel Gage Inaccurate or Inoperative
- Odometer Trip/Reset Switch Inoperative
- Speedometer and/or Odometer Inaccurate or Inoperative
- Tachometer Inaccurate or Inoperative

Indicators
- All-Wheel Drive (AWD) Disabled Indicator Always On in Drive Axle - Locking/Limited Slip
- Differential Lock Indicator in Drive Axle - Locking/Limited Slip
- Brake Warning Indicator Always On in Hydraulic Brakes
- Brake Warning Indicator Inoperative in Hydraulic Brakes
- ABS Indicator Always On in Antilock Brake System
- ABS Indicator Inoperative in Antilock Brake System
- Traction Off Indicator Always On in Antilock Brake System
- Traction Off Indicator Inoperative in Antilock Brake System
- ABS Description and Operation in Antilock Brake System
- Engine Coolant Temperature Indicator Always On in Cooling System
- Charge Indicator Always On in Starting and Charging
- Charge Indicator Inoperative in Starting and Charging
- Malfunction Indicator Lamp (MIL) Inoperative in Computers and Control Systems
- Malfunction Indicator Lamp (MIL) Always On in Computers and Control Systems
- Rear Hatch/Gate Ajar Indicator Malfunction in Trunk/Liftgate
- LOW FUEL indicator refer to Fuel Gage Inaccurate or Inoperative
- Door Ajar Indicator Malfunction in Doors
- Change Engine Oil Indicator Always On
- Change Engine Oil Indicator Inoperative
- Engine Oil Pressure Indicator Always On
- Low Engine Oil Level Indicator Always On
- Fog Lamp Indicator Always On in Lighting Systems
- Fog Lamp Indicator Inoperative in Lighting Systems
- High Beam Indicator Inoperative in Lighting Systems
- Trailer Towing Indicator Always On in Lighting Systems
- Trailer Towing Indicator Inoperative in Lighting Systems
- Turn Signal Lamps and/or Indicators Always On or Flashing (Export) Turn Signal Lamps and/or Indicators Always On or Flashing (Domestic) in Lighting Systems
- Turn Signal Lamps and/or Indicators Inoperative (Domestic) Turn Signal Lamps and/or Indicators Inoperative (Export) in Lighting Systems
- Seat Belt Indicator Circuit Malfunction in Seat Belts
- Air Bag Indicator Circuit Malfunction in Restraint Systems
- Security Indicator Inoperative in Theft Deterrent