Door Lock Control Relay

Disconnect the relay. Inspect the circuits on the wire harness side. See Fig 1 and Fig 2 .
Connect the positive (+) lead from the battery to terminal 3. Connect the negative (-) lead to terminal 4. Check that solenoid operates unlock direction.
If circuit is correct, replace the relay.

Fig 1: Testing Door Lock Control Relay Circuits

Fig 2: Identifying Door Lock Control Relay Harness Connector Terminals