FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Test M: The Autolock Does Not Operate Correctly

PINPOINT TEST M: THE AUTOLOCK DOES NOT OPERATE CORRECTLY

Normal Operation
The SJB energizes the lock relay based on input from the ajar switches, the ignition switch, the transmission range (TR) sensor and the vehicle speed signal (VSS). The SJB locks the doors when the following conditions are met:
- All the doors are closed
- The ignition switch is in the ON 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) for longer than 2 seconds

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Programming
- Door ajar switches
- SJB


M1-M5: