How To Test Door Lock Relay

When one circuit does not.

How to test door lock relay.

Check the fuses and circuit breakers especially if none of the power door locks work. Use a test light with a probe and poke each wire until the door lock is activated. Hook up the negative battery cable to the negative terminal. Step 2 activate the power lock switch to its lock and unlock positions while listening for a distinctive click sound coming from the relay.

Part 3 of 3. Testing the new door lock relay step 1. The door lock relay is the relay responsible for sending power to the door lock actuators so that they can lock and unlock the vehicle. I tested the drivers door lock unlock wire well the wire that.

Locate the door lock switches on the front doors and try the switches. When the relay fails or has issues it can cause problems with the operation of the door locks. The door lock relay and key less box is redundant. The door lock relay is the relay responsible for sending power to the door lock actuators so that they can lock and unlock the vehicle.

Using a mechanical latching relay like the pcb latching relay pictured here you can use a single negative output to alternately lock and unlock the doors the mechanical latching relay only requires it s coil to be momentarily energized to change and maintain the opening or closing of it s contacts. Videos you watch may be added to the tv s watch history and influence tv recommendations. Step 1 to test for intermitted relay failures which are common remove the relay in question take a small wire strand about two inches long and insert it into the relay connector terminal 87 or 30. When the relay fails or has issues it can cause problems.

Operate the door lock switches. The best way to test a door lock is to locate the wiring for the door lock usually in door boot or kick panel. If you cannot hear the click go to the next step. Door locks single pulse to lock and unlock negative pulse relay wiring diagram.