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

Interior Lighting

Pinpoint Tests

Pinpoint Test J: 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 Body Control Module (BCM) controls the operation of the battery saver relay. The BCM deactivates the battery saver relay 10 minutes after the ignition is switched to off and no other inputs are detected by the BCM to energize the battery saver relay (such as a flash-to-pass request or a button is pressed on a Remote Keyless Entry (RKE) transmitter).

When the battery saver relay is energized, the BCM supplies voltage to the demand lamps.

This pinpoint test is intended to diagnose the following:

- Wiring, terminals or connectors
- BCM

PINPOINT TEST J: 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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J1 CHECK THE INTERIOR DEMAND LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE

- Ignition OFF.
- Disconnect: BCM C2280D.
- Ignition ON.
- Turn any demand lamp (map or vanity mirror) on.
- Does the demand lamp turn on?

Yes
REPAIR circuit CLN09 (YE/GN) for a short to voltage. TEST the system for normal operation.

No
GO to J2.

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J2 CHECK FOR CORRECT BCM OPERATION

- Disconnect all the BCM connectors.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect all the BCM 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 BCM. REFER to Multifunction Electronic Modules Service and Repair. 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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