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Test 36A - Identifying Remote Keyless Entry (RKE) Problem

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  at end of article.
  1. If problem is with Remote Keyless Entry (RKE), go to TEST 36D  . If problem is not with RKE, close and unlock all doors. Open driver's window and remove ignition key.
  2. Using DRB-II, actuate door LOCK test and then actuate door UNLOCK test. If any door locks, repair inoperative door lock motor(s) or wiring. If doors do not lock, check if a door unlock problem exists. If an unlock problem exists, go to TEST 36B.
    NOTE: The BCM must be connected while performing step 3). Failure to do so may lead to incorrect circuit/system diagnosis.
  3. If an unlock problem does not exist, manually lock all doors. Press door lock switch to unlock position. If doors unlock only, go to TEST 39A  . If doors lock and unlock, use DRB-II in voltmeter mode to backprobe Body Controller Module (BCM) Gray connector terminal No. 18, door lock relay circuit (Orange/White wire). Module is located behind right kick panel. If voltage is more than 10 volts, replace BCM. Perform VERIFICATION PROCEDURE VER-1.
  4. If voltage is less than 10 volts, use DRB-II to stop door lock test. Press driver's power door lock switch to lock and then unlock position. If any doors lock and unlock, repair inoperative door lock motor(s) or wiring.
  5. If none of the doors lock or unlock, turn ignition off and disconnect BCM Bone connector. Check voltage on BCM Bone connector terminal No. 9, power door lock switch circuit (Orange/Violet wire). Depress door lock switch. If voltage is less than 10 volts, go to TEST 36C  .
  6. If voltage is more than 10 volts, reconnect BCM Bone connector and remove door lock relay from fuse/junction block. Fuse/junction block is located behind end cover, on left side of instrument panel. With DRB-II in voltmeter mode, check voltage on door lock relay control circuit (Orange/White wire) on door lock relay connector. Press door lock switch to lock position. If voltage is less than 10 volts, repair open circuit in Orange/White wire between door lock relay and BCM. Perform VERIFICATION PROCEDURE VER-1.
  7. If voltage is more than 10 volts, use DRB-II in voltmeter mode to check voltage on door lock circuit (Orange/Black wire) on door lock relay connector. Press door lock switch to unlock position. If voltage is less than 10 volts, repair open circuit in Orange/Black wire. Perform VERIFICATION PROCEDURE VER-1.
  8. If voltage is more than 10 volts, use DRB-II to stop door unlock test. Check voltage on door lock relay connector fused battery feed circuit (Red wire). If voltage is less than 10 volts, repair open circuit on Red wire. Perform VERIFICATION PROCEDURE VER-1.
  9. If voltage is more than 10 volts, use DRB-II in ohmmeter mode to check resistance on door lock relay connector ground circuit (Black wire). If resistance is more than 5 ohms, repair open circuit on Black wire. Perform VERIFICATION PROCEDURE VER-1. If resistance is less than 5 ohms, replace door lock relay. Perform VERIFICATION PROCEDURE VER-1.
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