Power Mirror Control Module: Testing and Inspection
MIRROR ECU INSPECTION
1. INSPECT MIRROR ECU CIRCUIT
Disconnect the connectors from the ECU and inspect the connector on the wire harness side as shown in the chart above.
2. INSPECT MIRROR ECU OPERATION
Connect the connectors and using a voltmeter with high impedance (10 kohms/V minimum), measure the voltage at each terminal and body ground.