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Home >> Lexus >> 2021 >> RC F Fuji Speedway Edition >> Repair and Diagnosis >> Body & Frame >> Mirrors >> Inner Rear View Mirror - Service Information >> Inner Rear View Mirror >> Inspection [09/2014 - ] >> Procedure

Inspection [09/2014 - ]: Procedure

  1. INSPECT INNER REAR VIEW MIRROR ASSEMBLY (w/o Garage Door Opener System) 
    1. Inspect the operation of the electrochromic inner rear view mirror assembly.
      GTY503726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Black Colored Tape *b Forward Sensor
      *c Bright *d Dark
      *e Battery *f EC Switch
      *g Component without harness connected
      (Inner Rear View Mirror Assembly)
      - -
      1. Connect a positive (+) lead from the battery to terminal 1 and a negative (-) lead to terminal 2.
      2. Press the EC switch.
      3. Attach black colored tape to the forward sensor to prevent it from sensing.
      4. Light up the mirror with an electric light, and check that the mirror surface changes from bright to dark.

        OK

        Mirror surface changes from bright to dark.

      5. Measure the voltage according to the value(s) in the table below.

        Standard Voltage

        Tester Connection Condition Specified Condition
        4 - 5 Inner rear view mirror surface
        Bright → Dark
        Below 1 V → 1.25 V

        If the result is not as specified, replace the inner rear view mirror assembly.

  2. INSPECT INNER REAR VIEW MIRROR ASSEMBLY (w/ Garage Door Opener System) 
    1. Inspect the operation of the electrochromic inner rear view mirror assembly.
      GTY514848Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Black Colored Tape *b Forward Sensor
      *c Bright *d Dark
      *e Battery *f EC Switch
      *g Component without harness connected
      (Inner Rear View Mirror Assembly)
      - -
      1. Connect a positive (+) lead from the battery to terminal 1 and a negative (-) lead to terminal 2.
      2. Press the EC switch.
      3. Attach black colored tape to the forward sensor to prevent it from sensing.
      4. Light up the mirror with an electric light, and check that the mirror surface changes from bright to dark.

        OK

        Mirror surface changes from bright to dark.

      5. Measure the voltage according to the value(s) in the table below.

        Standard Voltage

        Tester Connection Condition Specified Condition
        4 - 5 Inner rear view mirror surface
        Bright → Dark
        Below 1 V → 1.25 V

        If the result is not as specified, replace the inner rear view mirror assembly.