Operation CHARM: Car repair manuals for everyone.

Power Door Lock Relay: Testing and Inspection


The door lock relays are not individually replaceable.

In the LOCK position the following readings should appear at the pins of the door lock relays:

Pin A Battery Voltage
Pin B Battery Voltage
Pin C Ground
Pin D Battery Voltage
Pin E Ground
Pin F Ground

In the UNLOCK position the following readings should appear at the pins of the door lock relays:

Pin A Ground
Pin B Ground
Pin C Ground
Pin D Battery Voltage
Pin E Battery Voltage
Pin F Battery Voltage

Check for OPENS/SHORTS.

Repair as needed.