Door Lock Control Relay

Disconnect the connector from the relay. Test the circuits on the wire harness side of the connector as shown in the chart. See Fig 1 and Fig 2 .

Fig 1: Identifying Door Lock Relay Terminals
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Fig 2: Testing Door Lock Control Relay Circuits
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If circuit is as specified, inspect the door lock signal and key-off power window signal.
Connect the connector to the relay.
Connect the positive (+) lead from the voltmeter to terminal 1 and negative (-) lead to terminal 6. See Fig 3.

Fig 3: Identifying Door Lock Control Relay Wire Harness Terminals (Unlocked Position)
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Set the door lock manual switch to unlock, check that the voltage rises from 0 V to battery voltage approximately 0.2 seconds.
Reverse the polarity of the voltmeter leads. See Fig 4.

Fig 4: Identifying Door Lock Control Relay Wire Harness Terminals (Locked Position)
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Set the door lock manual switch to lock, check that the voltage rises from 0 V to battery voltage for approximately 0.2 seconds.
If operation is not as specified, replace the relay.