A Symptom Diagnosis

SYMPTOMS

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

1. Before using the symptom diagnostic tables, perform the Vehicle Diagnostic System Check test Diagnostic System Check - Vehicle in order to determine that there are no DTCs set, and that the control modules can communicate via the serial data link: Diagnostic System Check - Vehicle
2. Review the system operation in order to understand the system functions. Refer to the following description and operations:
- 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 can affect the operation of the instrument panel cluster or the audible warnings system.
- Inspect the accessible system components or the visible system components for obvious damage or for obvious conditions which can cause the symptom.
- Inspect for the proper fluid levels.

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:

Gages and Odometer
- Instrument Panel Cluster (IPC) Gages Inoperative
- Fuel Gage Inaccurate or Inoperative

Indicators
- GABS Indicator Always On in Antilock Brake System
- ABS Indicator Inoperative in Antilock Brake System
- Air Bag Indicator Circuit Malfunction in Restraint Systems
- Brake Warning Indicator Always On in Hydraulic Brakes
- Brake Warning Indicator Inoperative in Hydraulic Brakes
- Change Engine Oil Indicator Always On
- Change Engine Oil Indicator Inoperative
- Charge Indicator Always On in Starting and Charging
- Charge Indicator Inoperative in Starting and Charging
- Door Ajar Indicator Malfunction in Doors
- Engine Coolant Temperature Indicator Always On in Cooling System
- Engine Oil Pressure Indicator Always On
- Engine Oil Temperature Indicator Always On
- Fog Lamp Indicator Always On in Lighting Systems
- Fog Lamp Indicator Inoperative in Lighting Systems
- Fog Lamp Indicator Always On in Lighting Systems
- Fog Lamp Indicator Always On in Lighting Systems
- Low Engine Oil Level Indicator Always On
- Low Engine Oil Level Indicator Inoperative
- Low Washer Fluid Indicator Malfunction in Wiper/Washer Systems
- MPH (Km/h) Indicator Inoperative
- Malfunction Indicator Lamp (MIL) Always On in Engine Control 3.8 L (L26 and L32)
- Malfunction Indicator Lamp (MIL) Inoperative in Engine Control 3.8 L (L26 and L32)
- Seat Belt Indicator Circuit Malfunction - Driver in Seat Belts
- Seat Belt Indicator Circuit Malfunction - Passenger in Seat Belts
- Security Indicator LED Inoperative in Theft Deterrent
- Stability System Disabled Indicator Always On in Antilock Brake System
- Turn Signal Lamps and/or Indicators Always On or Flashing in Lighting Systems
- Turn Signal Lamps and/or Indicators Inoperative in Lighting Systems
- Traction Off Indicator Always On in Antilock Brake System
- Traction Off Indicator Inoperative in Antilock Brake System
- Trunk Ajar Indicator Always On in Trunk/Liftgate
- Trunk Ajar Indicator Inoperative in Trunk/Liftgate

Driver Information Center
- Driver Information Center (DIC) Inoperative
- Driver Information Center (DIC) Switch(es) Inoperative

Audible Warnings
- Chime Always On
- Chime Inoperative