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Test 75A - Left Rear Door Ajar With Visual Message Center

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  at end of article.
  1. Ensure all doors are closed. Using DRB-II, read door ajar switch status. If DRB-II displays CIRCUIT CLOSED, go to TEST 75B. If DRB-II does not display CIRCUIT CLOSED, open left rear door. If DRB-II displays CIRCUIT CLOSED, go to TEST 75C  .
  2. If DRB-II does not display CIRCUIT CLOSED, disconnect left rear door ajar switch connector. Connector is located at lower left "C" pillar. Connect jumper wire between Tan/Orange wire of left rear door ajar switch connector and ground. If DRB-II displays CIRCUIT CLOSED, replace left rear door ajar switch. Perform VERIFICATION PROCEDURE VER-1.
  3. If DRB-II does not display CIRCUIT CLOSED, disconnect visual message center 11-pin connector. Check connector condition, and clean or repair connector as necessary. Turn ignition off. Put DRB-II in ohmmeter mode. With jumper wire still connected between Tan/Orange wire of left rear door ajar switch and ground, check resistance on terminal "D" (Tan/Orange wire) of visual message center 11-pin connector.
  4. If resistance is more than 5 ohms, repair open Tan/Orange wire. Perform VERIFICATION PROCEDURE VER-1. If resistance is less than 5 ohms, disconnect jumper wire. Connect jumper wire between terminal "J" (Tan/White wire) of visual message center 11-pin connector and ground. If DRB-II displays CIRCUIT CLOSED, replace visual message center. Perform VERIFICATION PROCEDURE VER-1.
  5. If DRB-II does not display CIRCUIT CLOSED, connect jumper wire between terminal No. 1 (Tan/White wire) of Body Control Module (BCM) Black or Red connector. If DRB-II displays CIRCUIT CLOSED, repair open Tan/White wire. Perform VERIFICATION PROCEDURE VER-1.
  6. If DRB-II does not display CIRCUIT CLOSED, turn ignition off. Disconnect Body Control Module (BCM) connectors. BCM is located behind right side kick panel. Check condition of connectors, and clean or repair connectors as necessary. Perform VERIFICATION PROCEDURE VER-1. If connector condition is okay, replace BCM. Perform VERIFICATION PROCEDURE VER-1.