REAR VIEW MONITOR SYSTEM Reverse Signal Circuit

DESCRIPTION

The inner rear view mirror assembly receives a reverse signal from the park/neutral position switch assembly*1 or back-up light switch assembly*2.


WIRING DIAGRAM

B007W6OE02

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK INNER REAR VIEW MIRROR ASSEMBLY (REVERSE SIGNAL)


    1. B007RBAE03
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Inner Rear View Mirror Assembly)

      Disconnect the inner rear view mirror assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      u3-5 (REV) - Body ground Ignition switch ON, shift lever in R 11 to 14 V
      Ignition switch ON, shift lever not in R Below 1 V
      Result
      Result Proceed to
      OK A
      NG (for Automatic Transmission) B
      NG (for Manual Transmission) C

    B
    C
    A
  2. CHECK HARNESS AND CONNECTOR (INNER REAR VIEW MIRROR ASSEMBLY - PARK/NEUTRAL POSITION SWITCH ASSEMBLY)


    1. Disconnect the u3 inner rear view mirror assembly connector.

    2. Disconnect the D37 park/neutral position switch assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      u3-5 (REV) - D37-1 (RL) Always Below 1 Ω
      u3-5 (REV) - Body ground Always 10 kΩ or higher

    NG
    OK
  3. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY


    1. Remove the park/neutral position switch assembly.


    2. Inspect the park/neutral position switch assembly.


      Result
      Result Proceed to
      OK A
      NG (for A340E) B
      NG (for A343E) C
      NG (for AC60E) D

    B
    C
    D
    A
  4. CHECK HARNESS AND CONNECTOR (INNER REAR VIEW MIRROR ASSEMBLY - BACK-UP LIGHT SWITCH ASSEMBLY)


    1. Disconnect the u3 inner rear view mirror assembly connector.

    2. Disconnect the D36 back-up light switch assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      u3-5 (REV) - D36-1 Always Below 1 Ω
      u3-5 (REV) - Body ground Always 10 kΩ or higher

    NG
    OK
  5. INSPECT BACK-UP LIGHT SWITCH ASSEMBLY


    1. Remove the back-up light switch assembly.


    2. Inspect the back-up light switch assembly.


      Result
      Result Proceed to
      OK A
      NG (for G55) B
      NG (for R351) C

    B
    C
    A