Pinpoint Test H: The Battery Saver Does Not Deactivate After Time-Out

Interior Lighting

Pinpoint Tests

Pinpoint Test H: The Battery Saver Does Not Deactivate After Time-Out

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

Normal Operation

The Smart Junction Box (SJB) provides a battery saver function. The battery saver function provides automatic shutoff of the interior lamps (courtesy lamps and demand lamps) after a predetermined time has elapsed in order to save battery power.

This pinpoint test is intended to diagnose the following:

- Wiring, terminals or connectors
- SJB



PINPOINT TEST H: THE BATTERY SAVER DOES NOT DEACTIVATE AFTER TIME-OUT

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

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H1 CHECK CIRCUIT CLN09 (YE/GN) FOR A SHORT TO VOLTAGE


- Ignition OFF.
- Disconnect: SJB C2280e.
- Ignition ON.
- Operate the demand lamps.
- Do the demand lamps 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. REFER to Body Control Systems. 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.

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