Power Mirror Control System - Diagnosis: Inspection

Check the voltage.

1. Apply voltage to the terminals with a battery and a dry cell battery, as shown in the figure Fig 1 below.
2. Measure the voltage while the mirror moves between the fully turned downward position and fully turned upward positions.
   Fig 1: Inspecting Mirror Position Sensor

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard: 

   Fig 2: Measurement Condition Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   If the result is not as specified, replace the mirror assy.

3. Measure the voltage while the mirror moves between the fully turned to the left position and fully turned to the right position
   Fig 3: Inspecting Mirror Position Sensor

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   Fig 4: Terminals Voltage Reference Chart (Right Side Mirror)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   If the result is not as specified, replace the mirror assy.

   Fig 5: Terminals Voltage Reference Chart (Left Side Mirror)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   If the result is not as specified, replace the mirror assy.