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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 807 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> Power Door Locks Inoperative >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the scan tool Lock Switch and Unlock Switch parameters while pressing both the door lock and door unlock switches. The reading should change between ON and OFF.
  2. Command the Driver Door Unlock ON and OFF with a scan tool. The driver door should unlock.
    • If the driver door does not unlock, refer to Driver Door Unlock Relay Malfunction under Circuit/System Testing .
  3. Command the Passenger Door Unlock ON and OFF with a scan tool. All of the passenger doors should unlock.
    • If one or more passenger door do not unlock, refer to Passenger Door Unlock Relay Malfunction under Circuit/System Testing .
  4. Press the door lock switch. All of the vehicle doors should lock.
    • If one or more vehicle doors do not lock, refer to Door Lock Relay Malfunction under Circuit/System Testing .
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