Important: The following steps must be completed before using the symptom tables.
| • | There are no DTCs set. | 
| • | The control modules can communicate via the serial data link. | 
| • | Inspect for aftermarket devices which could affect the operation of the Instrument Cluster, Driver Information Center, 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. | 
| • | Perform a visual inspection of the fluid level before beginning diagnosis. | 
| • | Verify that the indicators work properly during the displays test. | 
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
| • | ABS Indicator Always On in Antilock Brake System. | 
| • | ABS Indicator Inoperative in Antilock Brake System. | 
| • | Air Bag Indicator Circuit Malfunction in SIR. | 
| • | 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. | 
| • | Rear Fog Lamp Indicator Always On in Lighting Systems. | 
| • | Rear Fog Lamp Indicator Inoperative in Lighting Systems. | 
| • | High Beam Indicator Always On in Lighting Systems. | 
| • | High Beam Indicator Inoperative in Lighting Systems. | 
| • | Malfunction Indicator Lamp (MIL) Always On in Engine Controls 3.5 L | 
| • | Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls 3.5 L | 
| • | Malfunction Indicator Lamp (MIL) Always On in Engine Controls 4.0 L | 
| • | Malfunction Indicator Lamp (MIL) Inoperative in Engine Controls 4.0 L | 
| • | Seat Belt Indicator Circuit Malfunction in Seat Belt. | 
| • | Security Indicator Inoperative in Theft Deterrent. | 
| • | Traction Active Indicator Always On in Antilock Brake System. | 
| • | Traction Active Indicator Inoperative in Antilock Brake System. | 
| • | Traction Off Indicator Always On in Antilock Brake System. | 
| • | Traction Off Indicator Inoperative in Antilock Brake System. | 
| • | 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 (DIC) Switch Inoperative