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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Engine Controls - Tests W/Codes - Body Control Computer) >> Self-Diagnostic Tests >> Test 76A - One Door Fails To Lock & Unlock From Any Switch

Test 76A - One Door Fails To Lock & Unlock From Any Switch

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, 1995 Dodge Caravan, and 1995 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  section at the end of this article. Perform TEST VER-1B after each repair.
CAUTION: Always turn ignition off prior to disconnecting or connecting any module connector.
  1. If problem is with sliding side door lock, check door contacts before proceeding. Repair door contacts as necessary. If contacts are okay, go to next step.
  2. Turn ignition off. Gain access to inoperative door lock switch. Disconnect door lock motor connector. Go to next step.
  3. Using scan tool in voltmeter mode, check voltage on door lock motor connector terminal No. 1 (Orange/Black wire). Observe scan tool while pressing door lock switch to lock position. If voltage is less than 10 volts, repair open Orange/Black wire. If voltage is more than 10 volts, go to next step.
  4. Check voltage on door lock motor connector terminal No. 2 (Pink/Black wire). Observe scan tool while pressing door lock switch to unlock position. If voltage is less than 10 volts, repair open Pink/Black wire. If voltage is more than 10 volts, replace door lock motor.