REAR VIEW MONITOR SYSTEM(for Inner Rear View Mirror Type) Image from Camera for Rear View Monitor is Abnormal

DESCRIPTION

The display signal from the rear television camera assembly transmits to the inner rear view mirror assembly.

WIRING DIAGRAM

A004OY7E01
A004U0IE01

PROCEDURE


  1. CHECK INNER REAR VIEW MIRROR ASSEMBLY

    A004QYXE02
    Text in Illustration
    *a

    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 Condition Specified Condition
      K12-14 (CB+) - K12-13 (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 REAR TELEVISION CAMERA ASSEMBLY


    1. Using an oscilloscope, check the waveform.

      A004NABE02
      Text in Illustration
      *a

      Component with wire harness connected

      (Inner Rear View Mirror Assembly)

      		 - -
      Measurement Condition
      Item Content
      Tester Connection K12-7 (CV+) - K12-6 (CV-)
      Tool Setting 0.2 V/DIV., 50 μs/DIV.
      Condition

      • *1: Ignition switch ON, shift lever in R

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

    OK

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

    NG

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


    1. Disconnect the K12 inner rear view mirror assembly connector.

    2. Disconnect the G7*1 or M4*2 rear television camera assembly connector.


      • *1: for Sedan

      • *2: for Wagon

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

      Standard Resistance
      for Sedan
      Tester Connection Condition Specified Condition
      K12-14 (CB+) - G7-4 (CB+) Always Below 1 Ω
      K12-13 (CGND) - G7-3 (CGND) Always Below 1 Ω
      K12-7 (CV+) - G7-2 (CV+) Always Below 1 Ω
      K12-6 (CV-) - G7-1 (CV-) Always Below 1 Ω
      K12-14 (CB+) - Body ground Always 10 kΩ or higher
      K12-13 (CGND) - Body ground Always 10 kΩ or higher
      K12-7 (CV+) - Body ground Always 10 kΩ or higher
      K12-6 (CV-) - Body ground Always 10 kΩ or higher
      for Wagon
      Tester Connection Condition Specified Condition
      K12-14 (CB+) - M4-4 (CB+) Always Below 1 Ω
      K12-13 (CGND) - M4-3 (CGND) Always Below 1 Ω
      K12-7 (CV+) - M4-2 (CV+) Always Below 1 Ω
      K12-6 (CV-) - M4-1 (CV-) Always Below 1 Ω
      K12-14 (CB+) - Body ground Always 10 kΩ or higher
      K12-13 (CGND) - Body ground Always 10 kΩ or higher
      K12-7 (CV+) - Body ground Always 10 kΩ or higher
      K12-6 (CV-) - Body ground Always 10 kΩ or higher
      Result
      Result Proceed to
      OK (for Sedan) A
      OK (for Wagon) B
      NG C

    A

    REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here

    B

    REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR