For 1990-2009 cars only
Important: The following steps must be completed before using the symptom tables.
- Perform the Diagnostic System Check - Instrument Cluster or Diagnostic System Check - Driver Information Systems before using the symptom table 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 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, driver information display, or audible warnings. 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. |
| • | 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 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:
Audible Warnings
For symptom diagnosis refer to one of the following:
| • | For an inoperative fasten safety belt chime, refer to Fasten Safety Belt Indicator/Chime Inoperative in Seat Belts |
Gauges
For symptom diagnosis refer to one of the following:
Indicators
For symptom diagnosis refer to one of the following:
| • | BRAKE Indicator Always On in Hydraulic Brakes |
| • | BRAKE Indicator Inoperative in Hydraulic Brakes |
| • | ABS Indicator Always On in Antilock Brake System |
| • | ABS Indicator Inoperative in Antilock Brake System |
| • | Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls 3.0L |
| • | Fog Lamp Indicator Inoperative in Lighting Systems |
| • | Rear Fog Lamp Indicator Always On in Lighting Systems |
| • | High Beam Indicator Always On in Lighting Systems |
| • | High Beam Indicator Inoperative in Lighting Systems |
| • | Turn Signal Indicator Always On - Left Side in Lighting Systems |
| • | Turn Signal Indicator Always On - Right Side in Lighting Systems |
| • | Turn Signal Indicators Inoperative in Lighting Systems |
| • | Fasten Safety Belt Indicator/Chime Always On in Seat Belts |
| • | Fasten Safety Belt Indicator/Chime Inoperative in Seat Belts |
Messages
For symptom diagnosis refer to one of the following:
| • | Fuel Pump ISO inoperative or always on refer to Fuel Gage Inaccurate or Inoperative |
| • | HOT COOLANT TEMP Message Always On in Engine Cooling |
| • | HOT COOLANT TEMP Message Inoperative in Engine Cooling |
| • | LOW COOLANT Message Always On in Engine Cooling |
| • | LOW COOLANT Message Inoperative in Engine Cooling |
| • | Charge Indicator Inoperative in Engine Electrical |
| • | Charge Indicator Always On in Engine Electrical |
| • | SECURITY Message Inoperative in Theft Deterrent |
| • | DOOR AJAR Indicator Always On in Doors |
| • | DOOR AJAR Indicator Inoperative in Doors |
| • | REAR HATCH AJAR Message Always On in Body Rear End |
| • | REAR HATCH AJAR Message Inoperative in Body Rear End |
Driver Information Display (DID)
For symptom diagnosis refer to one of the following:
| • | If the DID displays OC, refer to Diagnostic System Check - Driver Information Systems |
| • | If the DID displays SC, refer to Diagnostic System Check - Driver Information Systems |
| • | If the DID displays 2 dashes, refer to Diagnostic System Check - Driver Information Systems |
