Diagnostic Procedure
PANEL DIMMNG INOPERATIVE - DIAGNOSTIC PROCEDURE
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 |
NOTE:
Ensure that the Park/Headlamps operate properly before continuing with this test.
NOTE:
Ensure that other Instrument Cluster functions operate properly before continuing with this test. Turn the ignition on.With the DRBIII®, select Body, Electro/Mech Cluster, read DTCs.Does the DRBIII® display PANEL DIMMER OPEN?
|
All |
| 2 | Turn the ignition off. Disconnect the Instrument Cluster C1 harness connector. Check connectors - Clean/repair as necessary. Turn the Park lamps on. Measure the voltage between the Park Lamp Feed circuit and ground. Is the voltage above 10.5 volts?
|
All |
| 3 | Turn the ignition off. Disconnect the Instrument Cluster C1 harness connector. Check connectors - Clean/repair as necessary. Remove and inspect the inoperative illumination bulb(s). Is the illumination bulb filament open?
|
All |