Door lock systems operate the actuator by toggling positive negative voltage to the actuator.
How to dianose civic power door locks.
An inoperative power door lock can be caused by the switch solenoid wiring problem or mechanical problem within the linkage of the affected door.
Locate a good spot to mount the bracket.
This must be parallel to the factory door lock rod.
It s time to attach the factory door lock rod to the power actuator rod provided with the kit.
Then use your test light or digital meter to check for power and ground at the connector when you operate the lock unlock switch.
Note the bracket screwed onto the door frame.
If the actuator now moves freely the door latch mechanism is sticky or binding.
Replacement of the door latch mechanism is the only reliable long term solution.
Diagnosis if all of the door locks are inoperative start your diagnosis at the fuse box.
2004 honda odyssey ex passenger m.
To check if the door latch mechanism is the problem disconnect the mechanical linkages that connect the power door lock actuator to the door latch mechanism and activate the door lock.
Screw the actuator onto the bracket.
You should see the voltage polarity toggle with each switch activation.
Helpful guide on diagnosing power door lock problems with the passenger multiplex control unit and the door lock actuators.
Step 4 attach adapter rod.
Refer to the brackets on the left.