Test A: All Door Locks Inoperative With Transmitter
- If power door lock system check has been performed, go to next step. If power door lock system check has not been performed, perform power door lock system check. See appropriate POWER DOOR LOCKS article.
- Reprogram all Remote Keyless Entry (RKE) transmitters. See TRANSMITTER PROGRAMMING
under PROGRAMMING. Press LOCK button on RKE transmitter. If all doors do not lock, go to next step. If all doors lock, system is okay.
- Turn ignition switch to LOCK position. Disconnect Remote Control Door Lock Receiver (RCDLR) 16-pin harness connector. RCDLR is located under right side of rear window trim. Disconnect door lock relay from harness connector. Door lock relay is located behind right side of instrument panel. Measure resistance in Light Blue wire between RCDLR harness connector terminal "R" and door lock relay harness connector terminal "A". See Fig 1
. If resistance is less than 2 ohms, go to next step. If resistance is 2 ohms or more, go to step 5
.
- Replace RCDLR.
- Repair open in Light Blue wire between RCDLR and door lock relay.
Courtesy of GENERAL MOTORS CORP.