REAR VIEW MONITOR SYSTEM (w/ Navigation System) Display Signal Circuit between Navigation Receiver Assembly and Television Camera Assembly

DESCRIPTION

This is the display signal circuit of the television camera.

WIRING DIAGRAM

A003BCLE01
A003CWRE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK NAVIGATION RECEIVER ASSEMBLY

    A003DJ3E01
    Text in Illustration
    *1

    Component with harness connected

    (Navigation Receiver Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      D24-2 (CA+) - D24-12 (CGND) Ignition switch ON, shift lever in R 5.5 to 7.05 V

    NG

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    OK

  2. CHECK NAVIGATION RECEIVER ASSEMBLY

    A003DX6E01

    1. Using an oscilloscope, check the waveform.

      Measurement Condition
      Item Content
      Tester Connection D24-1(V+) - D24-11 (V-)
      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 (NAVIGATION RECEIVER ASSEMBLY - TELEVISION CAMERA ASSEMBLY) Click here

    OK

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

  3. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEVISION CAMERA ASSEMBLY)

    A003EITE01
    Text in Illustration
    *1 for Wagon
    *2 for Sedan
    *3

    Front view of wire harness connector

    (to Navigation Receiver Assembly)
    *4

    Front view of wire harness connector

    (to Television Camera Assembly)

    1. Disconnect the D24 navigation assembly connector.

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


      • *1: for Wagon

      • *2: for Sedan

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

      Standard Resistance
      for Wagon
      Tester Connection Condition Specified Condition
      D24-1 (V+) - M4-2 (CV+) Always Below 1 Ω
      D24-2 (CA+) - M4-4 (CB+) Always Below 1 Ω
      D24-11 (V-) - M4-1 (CV-) Always Below 1 Ω
      D24-12 (CGND) - M4-3 (CGND) Always Below 1 Ω
      D24-1 (V+) - Body ground Always 10 kΩ or higher
      D24-2 (CA+) - Body ground Always 10 kΩ or higher
      D24-11 (V-) - Body ground Always 10 kΩ or higher
      D24-12 (CGND) - Body ground Always 10 kΩ or higher
      for Sedan
      Tester Connection Condition Specified Condition
      D24-1 (V+) - G7-2 (CV+) Always Below 1 Ω
      D24-2 (CA+) - G7-4 (CB+) Always Below 1 Ω
      D24-11 (V-) - G7-1 (CV-) Always Below 1 Ω
      D24-12 (CGND) - G7-3 (CGND) Always Below 1 Ω
      D24-1 (V+) - Body ground Always 10 kΩ or higher
      D24-2 (CA+) - Body ground Always 10 kΩ or higher
      D24-11 (V-) - Body ground Always 10 kΩ or higher
      D24-12 (CGND) - Body ground Always 10 kΩ or higher
      Result
      Result Proceed to
      OK (for Wagon) A
      OK (for Sedan) B
      NG C

    B

    REPLACE TELEVISION CAMERA ASSEMBLY Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

    REPLACE TELEVISION CAMERA ASSEMBLY Click here