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Home >> Chevrolet >> 2015 >> Impala Limited LS >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System And Remote Functions >> Diagnostic Information and Procedures >> Power Door Locks Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, observe the scan tool Driver Door Lock Sw, Psgr Door Lock Sw, Driver Door Unlock Sw and Psgr Door Unlock Sw parameters while using the driver and passenger door lock switches. The parameters should change between Active and Inactive.
    • If the values are always Active or always Inactive, refer to Door Lock Switch Malfunction.
  2. Command the driver door and passenger door lock actuators to LOCK and UNLOCK with the scan tool, the doors should LOCK and UNLOCK when changing between commanded states.
    • If the driver door does not LOCK or UNLOCK, refer to Driver Door Lock Malfunction.
    • If a passenger door does not LOCK or UNLOCK functions, refer to Passenger Door Lock Malfunction.
    • If all doors locks are inoperative, refer to I/P Fuse Block Test.
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