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Door Ajar Test 9A - Liftgate Ajar Open Circuit

NOTE: Perform DOOR AJAR TEST 1A  before proceeding with this test. For connector terminal identification, refer to CONNECTOR IDENTIFICATION  . For wiring diagrams, refer to WIRING DIAGRAMS  . Perform, after each repair, VERIFICATION TEST VER-1A - VERIFICATION PROCEDURE  .
CAUTION: Always turn ignition switch to OFF position prior to disconnecting any module connector.
  1. Disconnect liftgate ajar switch and ensure connector is clean and not damaged. Connect a jumper wire between liftgate ajar switch connector Tan/Black wire and Black wire. Using scan tool, read liftgate ajar switch status. If scan tool displays LIFTGATE AJAR SWITCH: CLOSED, replace liftgate door ajar switch. If scan tool does not display LIFTGATE AJAR SWITCH: CLOSED, go to next step.
  2. Disconnect jumper from Black wire. Take jumper wire end removed from Black wire and connect to ground. If scan tool displays LIFTGATE AJAR SWITCH: CLOSED, repair open ground circuit. If scan tool does not display LIFTGATE AJAR SWITCH: CLOSED, go to next step.
  3. Disconnect jumper wire. Locate Central Timer Module (CTM). CTM is located behind right kick panel. Access CTM 18-pin connector "B". Remove connector cover. Do not disconnect connector. Connect a backprobe jumper wire between chassis ground and terminal No. 15 (Tan/Black wire). If scan tool displays LIFTGATE AJAR SWITCH: CLOSED, repair open in Tan/Black wire between liftgate ajar switch and CTM. If scan tool does not display LIFTGATE AJAR SWITCH: CLOSED, replace CTM.
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