REAR VIEW MONITOR SYSTEM (for Inner Rear View Mirror Type) Display Signal Circuit between Inner Rear View Mirror Assembly and Television Camera Assembly

DESCRIPTION

This is the display signal circuit of the television camera.

WIRING DIAGRAM

A01ISVYE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK INNER REAR VIEW MIRROR ASSEMBLY

    A01IUPZE01
    Text in Illustration
    *1

    Component with harness connected

    (Inner Rear View Mirror Assembly)

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      Q6-14 (CB+) - Q6-13 (CGND) Ignition switch ON, shift lever in R 5.5 to 7.05 V

    NG

    REPLACE INNER REAR VIEW MIRROR ASSEMBLY Click here

    OK

  2. CHECK TELEVISION CAMERA ASSEMBLY


    1. Using an oscilloscope, check the waveform.

      A01IRHLE04
      Measurement Condition
      Item Content
      Tester Connection Q6-7 (CV+) - Q6-6 (CV-)
      Tool Setting 0.2 V/DIV., 50 μs/DIV.
      Condition

      • Ignition switch ON, shift lever in R*1

      • Ignition switch ON, shift lever in R, screen blacked out by covering camera lens*2
      OK
      Waveform is as shown in illustration.

    NG

    CHECK HARNESS AND CONNECTOR (INNER REAR VIEW MIRROR ASSEMBLY - TELEVISION CAMERA ASSEMBLY) Click here

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  3. CHECK HARNESS AND CONNECTOR (INNER REAR VIEW MIRROR ASSEMBLY - TELEVISION CAMERA ASSEMBLY)

    A01IQAPE01
    Text in Illustration
    *1

    Front view of wire harness connector

    (to Inner Rear View Mirror Assembly)
    *2

    Front view of wire harness connector

    (to Television Camera Assembly)

    1. Disconnect the Q6 inner rear view mirror assembly connector.

    2. Disconnect the S6 television camera assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Q6-14 (CB+) - S6-4 (CB+) Always Below 1 Ω
      Q6-13 (CGND) - S6-3 (CGND) Always Below 1 Ω
      Q6-7 (CV+) - S6-2 (CV+) Always Below 1 Ω
      Q6-6 (CV-) - S6-1 (CV-) Always Below 1 Ω
      Q6-14 (CB+) - Body ground Always 10 kΩ or higher
      Q6-13 (CGND) - Body ground Always 10 kΩ or higher
      Q6-7 (CV+) - Body ground Always 10 kΩ or higher
      Q6-6 (CV-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE TELEVISION CAMERA ASSEMBLY Click here