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Test 99A - All Doors (Except Left Front) Fail To Lock & Unlock

NOTE: For connector terminal identification and wiring diagrams, see BODY CONTROL COMPUTER  section in this article. Perform TEST VER-1  VERIFICATION TEST after each repair.
  1. Remove door unlock relay from junction block. See Figure . Junction block is located behind end cover, on left side of instrument panel. Go to next step.
  2. Using scan tool in ohmmeter mode, check resistance of door unlock relay connector terminal "A" (Pink/Black wire). If resistance is 10 ohms or greater, repair open Pink/Black wire. If resistance is less than 10 ohms, go to next step.
  3. Check resistance of door unlock relay connector terminals "D" (Black wire) and "E" (Black wire). If resistance is 5 ohms or greater in either wire, repair appropriate open Black wire. If resistance is less than 5 ohms, replace unlock relay.
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