Apply battery positive voltage and connect ground to the corresponding liftgate lock actuator terminals, and inspect the liftgate lock actuator operation.
If not as specified, replace the liftgate latch and lock actuator.
LOCK ACTUATOR OPERATION
Lock actuator operation
Connection
B+
GND
Lock
A
B
Unlock
B
A
Fig 1: Identifying Liftgate Lock Actuator Circuit Diagram And Terminals