PARKING ASSIST MONITOR SYSTEM Display Signal Circuit between Television Camera ECU and Television Camera Assembly

DESCRIPTION

This is the display signal circuit of the television camera.

WIRING DIAGRAM

A017BIEE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA ECU - TELEVISION CAMERA)


    1. A017BP9E69

      Disconnect television camera ECU connector N15.

    2. A017C5YE06

      Disconnect television camera connector S1.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      N15-40 (CB+) - S1-4 (CB+) Always Below 1 Ω
      N15-39 (CGND) - S1-3 (CGND) Below 1 Ω
      N15-20 (CV+) - S1-2 (CV+) Below 1 Ω
      N15-19 (CV-) - S1-1 (CV-) Below 1 Ω
      N15-40 (CB+) - Body ground 10 kΩ or higher
      N15-39 (CGND) - Body ground 10 kΩ or higher
      N15-20 (CV+) - Body ground 10 kΩ or higher
      N15-19 (CV-) - Body ground 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT TELEVISION CAMERA ECU


    1. Reconnect television camera ECU connector N15.

    2. A017BPDE05

      Measure the voltage of the camera.

      Standard voltage
      Tester Connection Condition Specified Condition
      N15-40 (CB+) - N15-39 (CGND) Ignition switch on (IG), shift lever in reverse position Approx. 6 V

    NG

    REPLACE TELEVISION CAMERA ECU Click here

    OK

  3. INSPECT TELEVISION CAMERA ASSEMBLY

    A017FV1E02

    1. Reconnect television camera connector S1.

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

      OK
      Waveform is 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 reverse position

    NG

    REPLACE TELEVISION CAMERA ASSEMBLY Click here

    OK

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