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 autolocking function automatically locks all doors when all of the following conditions are concurrently met during the current key cycle:

- All the doors are closed
- The autolocking function is active
- The ignition switch is in the RUN position
- The transmission is in a forward gear
- The vehicle speed exceeds 7 km/h (5 mph)

After the initial activation of autolocking and at least one door has been opened, autolocking is activated again if the following conditions are concurrently met:

- All the doors are closed
- The ignition switch is in the RUN position
- The vehicle speed exceeds 7 km/h (5 mph)

This pinpoint test is intended to diagnose the following:

- Door ajar switch inputs
- Autolock programming
- Vehicle speed signal from the IC
- Generic Electronic Module (GEM)



PINPOINT TEST K: THE AUTOLOCK DOES NOT OPERATE CORRECTLY

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K1 VERIFY THE AUTOLOCK FEATURE IS ENABLED


- Verify the autolock feature is enabled.
- Is the autolock feature enabled?

Yes
GO to K2.

No
TURN on the feature. REFER to Autolock and Auto-Unlock Programming Autolock and Auto-Unlock Programming.

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K2 CHECK THE COURTESY LAMP OPERATION


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

Yes
GO to K3.

No
REFER to Lighting and Horns to continue diagnosis of the interior lighting.

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K3 RETRIEVE THE RECORDED GEM DTCs FROM THE SELF-TEST


- Check for recorded GEM DTCs from the self-test.
- Is DTC U0155 recorded?

Yes
Information Bus.

No
GO to K4.

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K4 CHECK FOR CORRECT GEM OPERATION


- Disconnect all the GEM connectors.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect all the GEM 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 GEM. 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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