Lamp Out Indicator: Testing and Inspection

LAMP OUTAGE INDICATOR CIRCUIT





- When Monitored: With the ignition on.
- Set Condition: Lamp Outage Indicator circuit failure between the Illumination Control Module and the Instrument Cluster.





Diagnostic Test

1. THE LAMP OUTAGE INDICATOR LAMP/INSTRUMENT CLUSTER





Turn the ignition off.

Disconnect the Instrument Cluster C1 harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Turn the ignition on.

Measure the voltage of the Lamp Outage Indicator circuit at the Instrument Cluster C1 harness connector.

Is the voltage above 10 volts?

Yes

- Inspect the Lamp Outage Indicator Lamp. If OK, replace the Instrument Cluster.
- Perform BODY VERIFICATION TEST. Body Verification Test

No

- Go to 2

2. MEASURE LAMP OUTAGE INDICATOR CIRCUIT RESISTANCE





Turn the ignition off.

Disconnect the Illumination Control Module harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Measure the resistance of the Lamp Outage Indicator circuit from the Illumination Control Module D harness connector to the Instrument Cluster C1 harness connector.

Is the resistance below 5.0 ohms?

Yes

- Replace the Illumination Control Module.
- Perform BODY VERIFICATION TEST. Body Verification Test

No

- Repair the Lamp Outage Indicator circuit for an open.
- Perform BODY VERIFICATION TEST. Body Verification Test