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Home >> Oldsmobile >> 1992 >> Eighty-Eight Royale >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Remote Keyless Entry System >> Testing >> Door Locks Isolation Test

Door Locks Isolation Test

  1. Check if power door locks lock using door lock switches. If doors lock from one switch only, see FRONT DOOR LOCK SWITCH OUTPUT TEST. If doors do not lock from either switch, see DOOR LOCK RELAY ASSEMBLY TEST. If at least one door locks from both door lock switches, go to next step.
  2. Use body systems cartridge and connect a Tech 1 scan tool to ALDL Connector. Turn ignition switch to RUN position. Set Tech 1 to read door lock switch requests. Push both door lock switches toward UNLOCK position.
  3. If Tech 1 does not recognize any unlock requests, see REMOTE DOOR LOCKING TEST. If Tech 1 recognizes unlock request from only one switch, check wiring and suspect switch. If Tech 1 recognizes all unlock requests, go to next step.
  4. Ensure all doors are unlocked. Attempt to lock all doors using Tech 1. If no doors lock, see DOOR LOCK RELAY ASSEMBLY TEST. If one door does not lock, check suspect door lock and wiring. If all doors lock, go to next step.
  5. Ensure all doors are locked. Attempt to unlock all doors using Tech 1. If all doors unlock, see LEFT FRONT DOOR ISOLATION RELAY TEST. If driver's door does not unlock, see DOOR LOCK RELAY ASSEMBLY TEST.
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