Troubleshooting Hints

PERFORM BEFORE BEGINNING SYSTEM DIAGNOSIS:
1. Check PWR ACC Circuit Breaker.
2. Check CTSY Fuse by operating the I/P Compartment Light.
3. Check Gages Fuse by operating Rear Defogger.
4. Check DR UNLK Fuse.
5. Check for mechanical binds in the Door Lock System.
6. If one or more of the Door Lock Motors do not operate properly but the other Door Lock Motors function normally, check the wiring to the motors. If the wiring is OK, replace the motor.
7. If CTSY Fuse blows when a power Door Lock Switch is activated, check CKT 194, CKT 195, Automatic Door Unlock Module, and Multi-function Alarm Module for a short to ground.
8. If a motor's internal circuit breaker trips, it will not reset until voltage is removed from the motor.
9. If PWR ACC Circuit Breaker trips when a power Door Lock Switch is activated, check CKT 295 and CKT 294 for a short to ground.
^ Refer to Instrument Panel, gages And Warning Indicators for Multi-function Alarm Module access. Instrument Panel, Gauges and Warning Indicators
^ Refer to System Diagnosis. System Diagnosis

NOTE: Automatic Door Lock Feature are controlled by the Multi-function Alarm Module. Verify that all chimes operate refer Audible warnings and that the Illuminated Entry feature operate refer Interior Lights before diagnosing any Automatic Door Lock problems.