Power Locks: Service and Repair
Power door lock switch
Inspect switch continuity between terminals.
Power door lock actuator
1) Disconnect power door lock actuator coupler.
2) Connect (+) cord and (-) cord of 12V battery to coupler terminal and actuator body as shown.
3) Actuator is proved to be operating properly if (-) cord connection to terminal 4 results in "Lock" and its connection to terminal 5 results in "Unlock".
Controller
1) Disconnect power door lock controller coupler.
2) Connect (+) cord and (-) cord of 12V battery to coupler terminal 6, 7 and 8 as shown in figure.
3) Disconnect cord from terminal 8 and connect it to terminal 9.
4) Repeat Steps 2) and 3) several times and if relay operation is heard every time, it means that controller is operating.