A Symptom Diagnosis

SYMPTOMS

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

1. Perform Diagnostic System Check - Vehicle in Vehicle DTC Information, before using the Symptom Tables in order to verify that all of the following are true:
- There are no DTCs set.
- The control modules can communicate via the serial data link. Testing and Inspection
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
- Audible Warnings Description and Operation

Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the instrument panel cluster or audible warnings system.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could 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
- 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
- ABS 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
- Charge Indicator Always On in Starting and Charging
- Charge Indicator Inoperative in Starting and Charging
- High Beam Indicator Inoperative in Lighting Systems
- Low Engine Coolant Indicator Always On in Cooling System
- Malfunction Indicator Lamp (MIL) Always On in Computers and Control Systems - 3.0 L (L81)
- Malfunction Indicator Lamp (MIL) Inoperative in Computers and Control Systems - 3.0 L (L81)
- Seat Belt Indicator Circuit Malfunction in Seat Belts
- Traction Control Indicator Inoperative in Antilock Brake System
- Turn Signal Lamps and/or Indicators Inoperative in Lighting Systems

Audible Warnings
- Chime Always On
- Chime Inoperative