Pinpoint Test K: The Autolock Does Not Operate Correctly

Locks, Latches and Entry Systems







Pinpoint Tests

Pinpoint Test K: The Autolock Does Not Operate Correctly

NOTE: The autolock feature is not available on manual transmission equipped vehicles.

Normal Operation

The autolocking function causes the vehicle to automatically lock all the doors when the following conditions are all concurrently met during the current key cycle:

- All doors are closed
- Autolocking function is active
- Key in ON position
- Brake pedal is applied and vehicle speed is less than 8 km/h (5 mph)
- Vehicle speed exceeds 8 km/h (5 mph)

Relock occurs after a door is opened, the brake pedal is applied while the vehicle speed is less than 8 km/h (5 mph), all the doors are closed again, and the vehicle speed increases to 8 km/h (5 mph) or greater.

This pinpoint test is intended to diagnose the following:

- Smart Junction Box (SJB)

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

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K2 CHECK COURTESY LAMPS


- Open the driver door.
- Do the courtesy lamps illuminate?

Yes
GO to K3.

No
Refer to Courtesy Lamp. Testing and Inspection

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K3 CHECK THE SJB VEHICLE SPEED, IGNITION SWITCH STATUS AND BRAKE PEDAL POSITION (BPP) PIDs


- Ignition ON.
- Enter the following diagnostic mode on the scan tool: SJB DataLogger.
- Monitor the SJB vehicle speed PID, ignition switch status PID and brake ON/OFF PID.
- Are the correct PID values received?

Yes
GO to K4.

No
REFER to Instrument Panel, Gauges and Warning Indicators to continue diagnosis of the vehicle speed.

REFER to Steering Column to continue diagnosis of the ignition switch. Testing and Inspection

REFER to Brake Lamp to continue diagnosis of the stoplamp switch. Testing and Inspection

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K4 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.

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