Pinpoint Test 12: The Auto-Unlock Does Not Operate Correctly

PINPOINT TEST 12: THE AUTO-UNLOCK DOES NOT OPERATE CORRECTLY

Normal Operation

The Smart Junction Box (SJB) energizes the unlock relay based upon input from the ajar switches and the vehicle speed signal. The SJB unlocks the doors when the following conditions are met:

- The vehicle speed has exceeded 20 km/h (12 mph) then dropped to 0 km/h (0 mph)
- The key is turned to the OFF or ACC position
- The LH front door is opened within 10 minutes of the key being turned to the OFF or ACC position

Possible Causes
- Door ajar switches
- Ignition switch
- Vehicle speed signal
- SJB

Diagnostic Procedure