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

A00E7I3E03
A00E7I3E04

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK INNER REAR VIEW MIRROR ASSEMBLY

    A00E73XE07
    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
    OK
  2. CHECK REAR TELEVISION CAMERA ASSEMBLY


    1. Using an oscilloscope, check the waveform.

      A00EAYYE10
      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.

    NG
    OK
  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

    B
    C
    A