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Home >> GMC >> 2000 >> Jimmy 4D Utility, 4WD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock System >> Symptom Tests >> Test D: Power Door Lock Inoperative, Unlock Operates

Test D: Power Door Lock Inoperative, Unlock Operates

  1. Perform DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. Go to next step.
  2. Remove door lock relay from body relay block. Connect test light between door lock relay connector terminals No. 1 and 2. Press LOCK button on driver door lock switch. If test light is on, go to step  4 . If test light is off, go to next step.
  3. Repair open in Light Blue wire between door lock relay and door lock switches. After repairs, go to step  5 .
  4. Replace door lock relay. After repairs, go to next step.
  5. Operate system to verify repair.