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:
^ There are no DTCs set.
^ The control module(s) can communicate via the serial data link. Diagnostic System Check - Instrument Panel Cluster
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 (DTC) 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 Diagrams.
^ 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 Diagrams.

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
^ Change Engine Oil Indicator Always On
^ Change Engine Oil Indicator Inoperative
^ Engine Oil Pressure Indicator Always On
^ Low Engine Oil Level Indicator Always On