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Test A: Driver Power Door Lock Inoperative

  1. If door system diagnostic system check has been performed, go to next step. If door system diagnostic system check has not been performed, go to DOOR SYSTEM DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Verify driver power door lock operation. If driver power door lock is inoperative, go to next step. If driver power door lock operates normally, perform test procedure while wiggling related wiring and harness connectors. This can often cause intermittent fault to appear.
  3. If all other power door locks operate normally, go to next step. If all power door locks are inoperative, go to TEST B: PASSENGER POWER DOOR LOCKS INOPERATIVE WITHOUT REMOTE KEYLESS ENTRY  or TEST C: PASSENGER POWER DOOR LOCKS INOPERATIVE WITH REMOTE KEYLESS ENTRY  .
  4. Disconnect left front door lock actuator 2-pin harness connector. Connect a test light between left front door lock actuator harness connector Tan and Gray wire terminals. Command door locks to lock and unlock from door lock switch. If test light did not flash when door locks were commanded to lock and unlock, go to next step. If test light flashes when door locks were commanded to lock and unlock, go to step  7 .
  5. If vehicle is equipped with RKE system, go to next step. If vehicle is not equipped with RKE system, go to step  9 .
  6. Check for an open in Tan or Gray wire between left front door lock actuator and left front door lock switch. If problem is not found, go to step  8 . If problem is found, repair as necessary. After repairs, go to step  12 .
  7. Check for poor connections at left front door lock actuator. Perform test procedure while wiggling related wiring and harness connector. This can often cause intermittent fault to appear. If problem is not found, go to step  10 . If problem is found, repair as necessary. After repairs, go to step  12 .
  8. Check for poor connections at BCM. Perform test procedure while wiggling related wiring and harness connector. This can often cause intermittent fault to appear. If problem is not found, go to step  11 . If problem is found, repair as necessary. After repairs, go to step  12 .
  9. Repair open in Tan or Gray wire between left front door lock actuator and left front door lock switch. After repairs, go to step  12 .
  10. Replace left front door lock actuator. See FRONT DOOR LOCK ACTUATOR  under REMOVAL & INSTALLATION. After repairs, go to step  12 .
  11. Replace BCM. See BODY CONTROL MODULE  under REMOVAL & INSTALLATION. Program BCM. See BODY CONTROL MODULE PROGRAMMING/REGULAR PRODUCTION OPTION CONFIGURATION  under PROGRAMMING. After repairs, go to next step.
  12. Operate system in order to verify repair. If system operates normally, system is okay. If system does not operate normally, go to step  2 .
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