Pinpoint Test H: The Battery Saver Does Not Deactivate After Timeout

Interior Lighting

Pinpoint Tests

Pinpoint Test H: The Battery Saver Does Not Deactivate After Timeout

Refer to Wiring Diagram Set 89, Interior Lamps for schematic and connector information. Diagrams By Number

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) - an 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



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

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H1 CHECK CIRCUIT 53 (BK/LB) FOR A SHORT TO VOLTAGE


- Ignition OFF.
- Disconnect: SJB C2280f.
- Ignition ON.
- Turn the interior lamp on using the demand switch.
- Does the demand lighting illuminate?

Yes
REPAIR the circuit. TEST the system for normal operation.

No
GO to H2.

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H2 CHECK FOR CORRECT SJB OPERATION


- Disconnect all the SJB connectors.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect all the SJB connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?

Yes
INSTALL a new SJB. TEST the system for normal operation.

No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.

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