For 1990-2009 cars only
Important: The following steps must be completed before using the symptom tables.
- Perform Diagnostic System Check - Instrument Cluster and Diagnostic System Check - Audible Warnings before using the Symptom Tables in order to verify that all of the following are true:
- Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
| • | There are no DTCs set. |
| • | The control module(s) can communicate via the serial data link. |
Visual/Physical Inspection
| • | Inspect for aftermarket devices which could affect the operation of the Instrument Cluster or Audible Warning Systems. Refer to Checking Aftermarket Accessories in Wiring Systems. |
| • | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. |
| • | Inspect the applicable reservoir for the proper fluid level related to the indicator or message. |
| • | Verify that the indicators work properly during the displays test. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
Gages
Indicators
| • | ABS Indicator Always On in Antilock Brake System. |
| • | ABS Indicator Inoperative in Antilock Brake System. |
| • | Brake Warning Indicator Always On in Hydraulic Brakes. |
| • | Brake Warning Indicator Inoperative in Hydraulic Brakes. |
| • | Charge Indicator Always On in Engine Electrical. |
| • | Charge Indicator Inoperative in Engine Electrical. |
| • | Cruise Control Indicator Always On in Cruise Control. |
| • | Cruise Control Indicator Inoperative in Cruise Control. |
| • | High Beam Indicator Always On in Lighting Systems. |
| • | High Beam Indicator Inoperative in Lighting Systems. |
| • | Malfunction Indicator Lamp (MIL) Always On in Engine Controls. |
| • | Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls. |
| • | Rear Hatch/Gate Ajar Indicator Malfunction in Body Rear End |
| • | Security Indicator Inoperative in Theft Systems. |
| • | Service Indicator Always On in One Speed Automatic Transfer Case. |
| • | Service Indicator Inoperative in One Speed Automatic Transfer Case. |
| • | Service Indicator Always On in Two Speed Automatic Transfer Case. |
| • | Service Indicator Inoperative in Two Speed Automatic Transfer Case. |
| • | Turn Signal Lamps and/or Indicators Always On or Flashing in Lighting Systems. |
| • | Turn Signal Lamps and/or Indicators Inoperative in Lighting Systems. |
Driver Information Center
Driver Information Center (DIC) Switch Inoperative
Instrument Cluster Dimming
| • | Interior Backlighting Does Not Dim in Lighting Systems. |
| • | Interior Backlighting Inoperative in Lighting Systems. |
Odometer
Odometer Trip/Reset Switch Inoperative
Audible Warning
