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 assembly.

WIRING DIAGRAM

A017GBUE06

INSPECTION PROCEDURE

PROCEDURE


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


    1. A017DSSE11

      Disconnect navigation receiver assembly connector E3.

    2. A017C5YE07

      Disconnect television camera assembly connector S1.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      S1-2 (CV+) - E3-22 (V+) Always Below 1 Ω
      S1-4 (CB+) - E3-24 (CA+) Always Below 1 Ω
      S1-3 (CGND) - E3-21 (CGND) Always Below 1 Ω
      S1-1 (CV-) - E3-23 (V-) Always Below 1 Ω
      S1-2 (CV+) - Body ground Always 10 kΩ or higher
      S1-4 (CB+) - Body ground Always 10 kΩ or higher
      S1-3 (CGND) - Body ground Always 10 kΩ or higher
      S1-1 (CV-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT NAVIGATION RECEIVER ASSEMBLY


    1. A017F2BE06

      Reconnect navigation receiver assembly connector E3.

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

      Standard voltage
      Tester Connection Condition Specified Condition
      E3-24 (CA+) - E3-21 (CGND)

      Ignition switch on (IG)

      Shift lever R position

      		 Approx. 6 V

    NG

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    OK

  3. INSPECT TELEVISION CAMERA ASSEMBLY


    1. Reconnect navigation receiver assembly connector E3 and television camera assembly connector S1.

      A017FV1E03

    2. Check the waveform of the television camera assembly using an oscilloscope.

      OK
      Pulses as shown in the illustration.
      Item Content
      Terminal No. (Symbols) S1-2 (CV+) - S1-1 (CV-)
      Tool 0.2 V/DIV., 0.2 μsec./DIV.
      Condition Ignition switch on (IG), shift lever R position

    NG

    REPLACE TELEVISION CAMERA ASSEMBLY Click here

    OK

    PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Click here