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Test No 5

  1. Perform BCM SYSTEM CHECK in BODY CONTROL MODULE article. Perform CTD SYSTEM CHECK  under SYSTEM TESTING.
  2. Remove ignition key. Close all doors. While observing door locks, press UNLOCK button on remote transmitter. If all doors (or only driver's door, depending on door lock mode) unlock, go to next step. If locks do not operate, repair problem between RKE system and BCM. See REMOTE KEYLESS ENTRY SYSTEM article for diagnosis and repair. After repairs, go to step 5).
  3. Ensure instrument panel dimmer switch is off. Turn on interior light override switch (interior lights enabled, not on). Remove key from ignition. With door open, lock doors using power door lock switch. Close all doors. While observing interior lights, insert key in door lock and turn to unlock position for one second. If interior lights turn on for 40 seconds, go to next step. If interior lights do not turn on, repair problem between door lock cylinder switch(es) and BCM. After repairs, go to step 5).
  4. Recheck CTD by performing CTD SYSTEM CHECK  under SYSTEM TESTING. If system is okay, problem does not exist at this time. Go to next step. If system is not okay, replace BCM. After replacing BCM, go to next step.
  5. Turn ignition off. Reinstall all connectors and components. Turn ignition switch to RUN position for 6 seconds. Turn ignition off. Remove BCM PRGRM fuse. Turn ignition switch to ACC position. BCM should flash seat belt indicator and sound chime 4 times. Within one second, turn ignition switch from ACC to LOCK, then back to ACC position. BCM will sound any stored DTCs. If any DTCs are stored, see BODY CONTROL MODULE article. If BCM DTCs do not exist, system is okay.
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