Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The VOLT indicator or the CHECK GAGES message with engine outline telltale stays on when the engine is running. | ||||
1 | Monitor the system voltage using scan tool while the engine is running. Is the system voltage above the specified value? | More than 10.6 V | ||
2 | Place the ignition in PARK. Disconnect the PCM C2. Turn ON the ignition. Is the indicator still on? | -- | ||
3 | Inspect the generator. Repair as needed. Are the repairs complete? | -- | System OK | -- |
4 | Inspect the BRN 25 wiring for a short to ground. Refer to Section 8A. Repair as needed. Are the repairs complete? | -- | System OK | -- |
5 | Inspect the PCM C2 contact. If OK, refer to Engine Controls for PCM System Check. Repair or replace as needed. Are the repairs complete? | -- | System OK | -- |
Olsdmibile vehicles with gauge cluster UH8 or U2A receive change light input via Uart Dataline. Refer to Electronic Diagnosis.
