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Pinpoint Test B - One Mirrors Inoperative

  1. Control To Motor Wire Check  - Unplug mirror switch connector. Unplug inoperative mirror motor connector. Measure resistance of indicated wires between mirror switch connector and inoperative mirror motor connector. See OUTSIDE REAR VIEW MIRROR CIRCUIT TEST  table. If resistance is less than 5 ohms, replace outside rear view mirror assembly. If resistance is 5 ohms or greater, repair open wire(s).
    OUTSIDE REAR VIEW MIRROR CIRCUIT TEST

    Wire Color At Control Connector Wire Color At Motor Connector
    Left Mirror
    Brown Brown
    Brown/Yellow Brown/Yellow
    Light Green Light Green
    Right Mirror
    Brown Brown
    Brown/Black Brown/Black
    Light Green/Black Light Green/Black
  2. Ground Check  - Measure resistance between each wire at mirror motor connector and ground. If resistance is greater than 10,000 ohms, replace outside rear view mirror assembly. If resistance is 10,000 ohms or less, repair wire(s) in question.