A Preliminary Information

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

1. Perform the Diagnostic System Check - Instrument Cluster before using the Symptom Tables in order to verify that all of the following are true: Diagnostic System Check - Instrument Panel Cluster
^ There are no DTCs set.
^ The control 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
^ Driver Information Center (DIC) Description and Operation
^ Head Up Display (HUD) Description and Operation.
^ Audible Warnings Description and Operation

Visual/physical inspection
^ Inspect for aftermarket devices which could affect the operation of the audible warnings, DIC, HUD, or IPC systems. Refer to Checking Aftermarket Accessories in Diagnostic Aids.
^ 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. Refer to Testing for Intermittent and Poor Connections in Diagnostic Aids.

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

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

Gages and Odometer
^ Engine Coolant Temperature Gage Inaccurate or Inoperative
^ Fuel Gage Inaccurate or Inoperative
^ Speedometer and/or Odometer Inaccurate or Inoperative
^ Tachometer Inaccurate or Inoperative

Head-Up Display (HUD)
^ Head Up Display (HUD) Inoperative
^ Head Up Display (HUD) Speedometer Inoperative
^ Head Up Display (HUD) Turn Signal Indicator Inoperative - Left/Right
^ Head Up Display (HUD) Image Adjustment Inoperative
^ Head Up Display (HUD) Intensity Does Not Vary

Indicators
^ ABS Indicator Always On in Antilock Brake System. ABS Indicator Always On
^ ABS Indicator Inoperative in Antilock Brake System. ABS Indicator Inoperative
^ Air Bag Indicator Always On in Restraint Systems. AIR BAG Indicator Always On
^ Air Bag Indicator Does Not Come On in Restraint Systems. AIR BAG Indicator Does Not Come ON
^ Brake Warning Indicator Always On in Hydraulic Brakes. Brake Warning Indicator Always On
^ Brake Warning Indicator Inoperative in Hydraulic Brakes. Symptom Related Diagnostic Procedures
^ Change Engine Oil Indicator Always On
^ Change Engine Oil Indicator Inoperative
^ Charge Indicator Always On in Starting and Charging Symptom Related Diagnostic Procedures
^ Charge Indicator Inoperative in Starting and Charging Symptom Related Diagnostic Procedures
^ Door Ajar Indicator Malfunction in Doors. Testing and Inspection
^ Engine Coolant Temperature Indicator Always On in Cooling System. Symptom Related Diagnostic Procedures
^ Engine Oil Pressure indicator Always On
^ Fasten Safety Belt Indicator/Chime Always On in Seat Belts. Fasten Safety Belt Indicator/Chime Always On
^ Fasten Safety Belt Indicator/Chime Inoperative in Seat Belts. Fasten Safety Belt Indicator/Chime Inoperative
^ High Beam Indicator Inoperative in Lighting Systems. Testing and Inspection
^ Low Engine Coolant Indicator Always On in Cooling System. Symptom Related Diagnostic Procedures
^ Low Engine Oil Level Indicator Always On
^ Low Traction Indicator Always On in Antilock Brake System Low Traction Indicator Always On
^ Low Traction indicator inoperative in Antilock Brake System. Low Traction Indicator Inoperative
^ Low Washer Fluid Indicator Malfunction in Wipers/Washer Systems. Testing and Inspection
^ Malfunction Indicator Lamp (MIL) Inoperative in Computers and Controls Systems - 3.1 L. Malfunction Indicator Lamp (MIL) Inoperative
^ Malfunction Indicator Lamp (MIL) Inoperative in Computers and Controls Systems - 3.8 L. Malfunction Indicator Lamp (MIL) Inoperative
^ Malfunction Indicator Lamp (MIL) Always On in Computers and Controls Systems - 3.1 L. Malfunction Indicator Lamp (MIL) Always On
^ Malfunction Indicator Lamp (MIL) Always On in Computers and Controls Systems - 3.8 L. Malfunction Indicator Lamp (MIL) Always On
^ Security Indicator Always On or Flashing in Theft Deterrent. Testing and Inspection
^ Security Indicator Inoperative in Theft Deterrent. Testing and Inspection
^ Traction Off indicator Always On in Antilock Brake System. Traction Off Indicator Always On
^ Traction Off Indicator Inoperative in Antilock Brake System. Symptom Related Diagnostic Procedures
^ 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 Inoperative in Lighting Systems. Testing and Inspection