Diesel Data: Automotive Repair

Test H: The Battery Saver Does Not Deactivate After Timeout

PINPOINT TEST H: THE BATTERY SAVER DOES NOT DEACTIVATE AFTER TIMEOUT

Normal Operation
The smart junction box (SJB) controls the battery saver feature. The SJB provides voltage to circuit 53 (BK/LB). When the battery saver activates, the SJB stops providing voltage on circuit 53 (BK/LB) to the demand lamps.

- DTC B2554 (Dome Lamp Output Circuit Failure) - is a on-demand DTC that sets when the SJB detects a short to voltage on the dome lamp output supply circuit.

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- SJB


H1-H2: