A Symptom Diagnosis

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

1. Perform the Diagnostic System Check - Instrument Cluster for DIC, HUD and IPC systems Diagnostic System Check - Instrument Panel Cluster
or the Diagnostic System Check - Audible Warning for audible warnings before using the symptom table in order to Verify that all of the following are true: Diagnostic System Check - Audible Warnings
^ 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
^ 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. 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.
^ For any indicator or message relating to fluid level, perform a visual inspection of the fluid level before beginning diagnosis
^ Verify that the indicators, and 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 Diagnostic Aids.

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

Driver Information Display (DID)
For symptom diagnosis refer to one of the following:
^ Driver Information Center (DIC) Inoperative
^ Driver Information Center (DIC) Switch(es) 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
^ Engine Oil Temperature Gage Inoperative
^ Fuel Gage Inaccurate or Inoperative
^ Speedometer and/or Odometer Inaccurate or Inoperative
^ Tachometer Inaccurate or Inoperative
^ Transmission Fluid Temperature Gage Inaccurate or Inoperative
^ Volt Gage Inaccurate or Inoperative

Heads Up Display
For symptom diagnosis refer to one of the following:
^ Head Up Display (HUD) Image Adjustment Inoperative
^ Head Up Display (HUD) Inoperative
^ Head Up Display (HUD) Intensity Does Not Vary
^ Head Up Display (HUD) Hazard Indicators Inoperative

Indicators
For symptom diagnosis refer to one of the following:
^ For 1-4 Shift indicator refer to Skip Shift Description and Operation in Manual Transmission-
^ ABS Indicator Always On in Antilock Brake System Symptom Related Diagnostic Procedures
^ ABS Indicator Inoperative in Antilock Brake System Symptom Related Diagnostic Procedures
^ Air Bag Indicator Circuit Malfunction in Restraint Systems Symptom Related Diagnostic Procedures
^ 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
^ Check Gages Indicator Inoperative
^ Door Ajar Indicator Inoperative in Doors
^ High Beam Indicator Inoperative in Lighting Systems
^ 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
^ Malfunction Indicator Lamp (MIL) Always On in Computers and Controls Systems
^ Malfunction Indicator Lamp (MIL) Inoperative in Computers and Controls Systems
^ MPH km/h Indicator Inoperative
^ Rear Hatch/Gate Ajar Indicator Always On in Trunk/Liftgate
^ Rear Hatch/Gate Ajar Indicator Inoperative in Trunk/Liftgate
^ For RESERVE FUEL indicator refer to Fuel Gage Inaccurate or Inoperative
^ Seat Belt Indicator Circuit Malfunction in Seat Belts
^ Security Indicator Always On or Flashing in Theft Deterrent
^ Security Indicator Inoperative in Theft Deterrent
^ Tonneau Ajar Indicator Always On in Trunk/Liftgate
^ Tonneau Ajar Indicator Inoperative in Trunk/Liftgate
^ Traction Control and Active Handling Indicator Always On in Antilock Brake System
^ Traction Control and Active Handling Indicator Inoperative in Antilock Brake System
^ Turn Signal Lamps and/or Indicators Inoperative in Lighting Systems