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Test 35H - Repairing Doors Fail To Unlock From Any Switch

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For wiring diagrams, see WIRING DIAGRAMS  . Perform TEST VER-1 after each repair.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting any module connector.
  1. Remove door unlock relay from junction block. See Figure . Junction block is located behind end cover, on left side of instrument panel. Using DRB, actuate door unlock relay. Go to next step.
  2. Using DRB in voltmeter mode, check voltage on door unlock relay connector terminal "C" (Pink/Violet wire). If voltage does not toggle from less than 1.0 volt to more than 10 volts, go to step 5). If voltage toggles from less than 1.0 volt to more than 10 volts, go to next step.
  3. Remove door lock relay. Using DRB in ohmmeter, check resistance of door lock relay connector terminal "D" (Black wire). If resistance more is than 5 ohms, repair open Black wire. If resistance is less than 5 ohms, go to next step.
  4. Using an external ohmmeter, check resistance between door lock relay terminals "A" (Orange/Black wire) and "D" (Black wire). If resistance is more than 5 ohms, replace door lock relay. If resistance is less than 5 ohms, replace door unlock relay.
  5. Gain access to Body Control Module (BCM). BCM is located behind right kick panel. Leave BCM connectors connected. Using DRB in volt-meter mode, check voltage on BCM Gray connector terminal No. 21 (Pink/Violet wire). Using DRB, actuate door unlock relay. If voltage toggles between less than 1.0 volt and more than 10 volts, repair open Pink/Violet wire. If voltage does not toggle between less than 1.0 volt and more than 10 volts, go to next step.
  6. Turn ignition switch to OFF position. Disconnect BCM Gray connector. Disconnect Remote Keyless Entry (RKE) module. See Figure . Using DRB in ohmmeter mode, check resistance of BCM Gray connector terminal No. 21 (Pink/Violet wire). If resistance is less than 5 ohms, repair short to ground in Pink/Violet wire. If resistance is more than 5 ohms, replace BCM.
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