Circuit/System Verification
WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, observe the scan tool Driver Door Switch Door Lock Actuator Cmd. parameter while using the driver door lock/window switch and Passenger Door Switch Door Lock Actuator Cmd. parameter while using the passenger door lock/window switch. The parameters for each switch should change from Off to Lock and Unlock.
- If the parameters do not change, replace the appropriate door lock/window switch.
- Verify the function of the driver door lock knob by manually moving the door lock knob between the LOCK and UNLOCK positions, the door lock knob should move between the LOCK and UNLOCK positions without binding or require excessive force.
- If the driver door lock knob does not function or requires excessive force, refer to Door Will Not Open/Close, Door Binding, or Locks, Handles, or Cylinders Do Not Function .
- Command the driver door to LOCK and UNLOCK with a scan tool, the driver door should LOCK and UNLOCK while changing between the commanded states.
- If the driver door does not LOCK or UNLOCK, refer to Driver Door Lock Malfunction.
- Verify the function of the passenger door lock knob by manually moving the door lock knob between the LOCK and UNLOCK positions, the door lock knob should move between the LOCK and UNLOCK positions without binding or require excessive force.
- If the passenger door lock knob does not function or requires excessive force, refer to Door Will Not Open/Close, Door Binding, or Locks, Handles, or Cylinders Do Not Function .
- Command the passenger door to LOCK and UNLOCK with a scan tool, the passenger door should LOCK and UNLOCK while changing between the commanded states.
- If the passenger door does not LOCK or UNLOCK, refer to Passenger Door Lock Malfunction
- Verify the function of the rear door lock knob by manually moving the door lock knob between the LOCK and UNLOCK positions, the door lock knob should move between the LOCK and UNLOCK positions without binding or require excessive force.
- If the rear door lock knob does not function or requires excessive force, refer to Door Will Not Open/Close, Door Binding, or Locks, Handles, or Cylinders Do Not Function .
- Command the Lock All Doors and Passenger Door(s) Unlock with a scan tool, the left rear and right rear doors should LOCK and UNLOCK while changing between the commanded states.
- If a rear door does not LOCK, refer to Door Lock Relay Malfunction
- If a rear door does not UNLOCK, refer to Door Unlock Relay Malfunction