Pinpoint Test K: The Autolock Does Not Operate Correctly

Handles, Locks, Latches and Entry Systems

Pinpoint Tests

Pinpoint Test K: The Autolock Does Not Operate Correctly

Normal Operation

The Body Control Module (BCM) energizes the lock relay based on input from the ajar switches, the ignition switch, the Transmission Range (TR) sensor and the vehicle speed signal. The BCM locks the doors when the following conditions are met:

- All the doors are closed
- The ignition switch is in the RUN position
- The vehicle is shifted into any gear putting the vehicle in motion
- The vehicle attains a speed greater than 20 km/h (12 mph)

This pinpoint test is intended to diagnose the following:

- Programming
- Door ajar switch input
- Vehicle speed signal message

PINPOINT TEST K: THE AUTOLOCK DOES NOT OPERATE CORRECTLY

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K1 CHECK THE COURTESY LAMP OPERATION

- Open and close the doors while checking the courtesy lamp operation.
- Do the courtesy lamps operate correctly?

Yes
GO to K2.

No
REFER to Interior Lighting Testing and Inspection.

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K2 CHECK THE VEHICLE SPEED OPERATION

- Check the operation of the speedometer.
- Does the speedometer operate correctly?

Yes
ENABLE the autolock feature. REFER to Autolock and Auto-Unlock Programming Autolock and Auto-Unlock Programming.

No
REFER to Instrumentation, Message Center, and Warning Chimes Testing and Inspection.

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