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Driver Door Ajar Circuit Open

  1. Disconnect driver's door ajar switch connector from driver's door latch assembly. Ensure connector is clean and not damaged. Connect a fused jumper wire between driver's door ajar switch connector Black/Light Blue wire and Black/Light Green wire. Using scan tool, read driver's door ajar switch state. If scan tool displays DR DOOR AJAR SWITCH CLOSED, replace driver's door latch/ajar switch assembly. Perform BODY VERIFICATION TEST  . If scan tool does not display driver door ajar switch state as CLOSED, go to next step.
  2. Disconnect jumper wire from Black/Light Green wire terminal and connect it to ground. If scan tool displays DR DOOR AJAR SWITCH CLOSED, repair open ground circuit (Black/Light Green wire) as necessary. Perform BODY VERIFICATION TEST  . If scan tool does not display driver door ajar switch state as CLOSED, go to next step.
  3. Disconnect jumper wire. Disconnect Central Timer Module (CTM) connector C1. Measure resistance of Black/Light Blue wire between CTM connector C1 terminal No. 1 and driver's door ajar switch connector. If reading is less than 5 ohms, replace CTM. Perform BODY VERIFICATION TEST  . If reading is 5 ohms or more, repair open in Black/Light Blue wire.
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