A Preliminary Information

IMPORTANT: The following steps must be completed before using the symptom tables.
1. Perform the Diagnostic System Check - Instrument Panel, Gauges & Console before using the symptom table in order to verify that all of the following are true: Diagnostic System Check
^ There are no DTCs set.
^ The module(s) can communicate via the serial data link.
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 cluster or audible warnings. Refer to Checking Aftermarket Accessories in Diagrams.
^ 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, perform a visual inspection of the fluid level before beginning diagnosis.
^ Verify that the indicators, message display works properly during the bulb check.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent and Poor Connections in Diagrams.

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

Audible Warnings
For symptom diagnosis refer to one of the following:
^ Chime Always On
^ Chime Inoperative

Gages
For symptom diagnosis refer to one of the following:
^ Engine Coolant Temperature Gage Inaccurate or Inoperative
^ Engine Oil Pressure Gage Inaccurate or Inoperative
^ Fuel Gage Inaccurate or Inoperative
^ Speedometer and/or Odometer Inaccurate or Inoperative
^ Tachometer Inaccurate or Inoperative
^ Volt Gage Inaccurate or Inoperative

Indicators
For symptom diagnosis refer to one of the following.
^ ABS Indicator Always On in ABS.
^ ABS Indicator Inoperative in ABS.
^ Air Bag Indicator Always On in Restraint Systems.
^ Air Bag Indicator Does Not Come ON in Restraint Systems.
^ Brake Pad Wear Indicator Always On in Disc Brakes.
^ Brake Pad Wear Indicator Inoperative in Disc Brakes.
^ Brake Warning Indicator Always On in Hydraulic Brakes.
^ Brake Warning Indicator Inoperative (W/Park Brake Set) or Brake Warning Indicator Inoperative (W/Low Fluid Level) in Hydraulic Brakes.
^ Charge Indicator Always On in Starting and Charging.
^ Charge Indicator Inoperative in Starting and Charging.
^ For coolant temperature indicator refer to Engine Coolant Temperature Gage Inaccurate or Inoperative.
^ Cruise Control Indicator Always On in Cruise Control.
^ Cruise Control Indicator Inoperative in Cruise Control.
^ Fasten Safety Belt Indicator/Chime Always On in Seat Belts.
^ Fasten Safety Belt Indicator/Chime Inoperative in Seat Belts.
^ Fog Lamp Indicator Inoperative in Lighting and Horns.
^ Fuel Cap Missing Indicator Always On.
^ Fuel Cap Missing Indicator Inoperative.
^ Headlamps Required Indicator Always On in Lighting and Horns. Testing and Inspection
^ Headlamps Required Indicator Inoperative in Lighting and Horns. Testing and Inspection
^ High Beam Indicator Inoperative in Lighting and Horns. Testing and Inspection
^ Low Engine Coolant Indicator Always On.
^ Low Engine Oil Level Indicator Always On.
^ For low fuel indicator refer to Fuel Gage Inaccurate or Inoperative.
^ For low oil pressure indicator refer to Engine Oil Pressure Gage Inaccurate or Inoperative.
^ Low Washer Fluid Indicator Malfunction in Wipers/Washer Systems. Testing and Inspection
^ For MIL indicator refer to DTC P0650 in Computers and Control Systems. P0650
^ Security Indicator Inoperative in Theft Deterrent Testing and Inspection
^ Sport Mode Switch/Indicator Always On or Inoperative in Automatic Transmission.
^ Trunk Ajar Indicator Always On in Trunk/Liftgate. Testing and Inspection
^ Trunk Ajar Indicator Inoperative in Trunk/Liftgate. Testing and Inspection
^ Turn Signal Lamps and/or Indicators Always On or Flashing in Lighting and Horns. Testing and Inspection
^ Turn Signal Lamps and/or Indicators Inoperative in Lighting and Horns. Testing and Inspection