For 1990-2009 cars only
Important: The following steps must be completed before using the symptom tables.
- Perform Diagnostic System Check - Instrument Cluster 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 list:
| • | 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 reservoirs for the proper fluid levels before beginning the diagnosis. |
| • | Inspect the applicable reservoir for the proper fluid level related to the indicator. |
| • | Verify that the indicators work 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:
Gauges
Indicators
| • | ABS Indicator On or Inoperative. Refer to Diagnostic System Check in Antilock Brake System. |
| • | AIR BAG Indicator Always On or Inoperative. Refer to Diagnostic System Check - SIR in SIR. |
| • | Brake Warning Indicator Always On or Inoperative. Refer to Hydraulic Brake Diagnostic System Check in Hydraulic Brakes. |
| • | SECURITY Indicator Always On or Inoperative. Refer to Diagnostic System Check - Theft Deterrent in Theft Deterrent. |
| • | SERVICE ENGINE SOON Indicator (MIL) Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 4.3L. |
| • | SERVICE ENGINE SOON Indicator Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 2.2L (L43). |
| • | SERVICE ENGINE SOON Indicator Always On or Inoperative. Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 2.2L. |
| • | Fasten Safety Belt Indicator/Chime Always On in Seat Belts |
| • | Fasten Safety Belt Indicator/Chime Inoperative in Seat Belts |
| • | High Beam Indicator Always On in Lighting Systems |
| • | High Beam Indicator Inoperative in Lighting Systems |
| • | Turn Signal Indicators Inoperative - Left Side in Lighting Systems |
| • | Turn Signal Indicator Always On - Left Side in Lighting Systems |
| • | Turn Signal Indicators Inoperative - Right Side in Lighting Systems |
| • | Turn Signal Indicator Always On - Right Side in Lighting Systems |
| • | BATTERY Indicator Always ON. Refer to Charge Indicator Always On in Engine Electrical |
| • | BATTERY Indicator Inoperative. Refer to Charge Indicator Inoperative in Engine Electrical. |
| • | CHECK GAGES Indicator Always ON. Refer to Diagnostic System Check - Instrument Cluster . |
| • | GATE AJAR Indicator Always ON. Refer to Gate Ajar Indicator Always On in Body Rear End. |
| • | GATE AJAR Indicator Inoperative. Refer to Gate Ajar Indicator Inoperative in Body Rear End. |
| • | SERVICE 4WD Indicator Always ON or Inoperative. Refer to Diagnostic System Check in Transfer Case - NVG 136 (NP4) |
| • | SERVICE 4WD Indicator Always ON or Inoperative. Refer to Diagnostic System Check in Transfer Case - NVG 236 |
| • | SHIFT Indicator Always ON (Manual Transmission Only) |
| • | SHIFT Indicator Inoperative (Manual Transmission Only) |
| • | TOW/HAUL Indicator Always ON or Inoperative (Automatic Transmission Only). Refer to Tow/Haul Switch/Indicator Always On or Inoperative in Automatic Transmission. |
Instrument Cluster Dimming
Odometer
PRNDL Display
