PARKING ASSIST MONITOR SYSTEM TERMINALS OF ECU


  1. REAR TELEVISION CAMERA ASSEMBLY

    B002J2NE31

    1. Disconnect the Y27 rear television camera assembly connector.

    2. Measure the voltage on the wire harness side connector according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Y27-6 (CB+) - Body ground B - Body ground Power source Power switch on (ACC) 5.5 to 7.05 V

    3. Reconnect the Y27 rear television camera assembly connector.

    4. Measure the voltage, resistance and waveform according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Y27-2 (CV-) - Body ground R - Shielded Ground Always Below 1 Ω
      Y27-3 (CV+) - Y27-2 (CV-) W - R Video signal Power switch on (IG), shift lever in R, camera lens is not covered, displaying an image Pulse generation (See waveform 1)
      Power switch on (IG), shift lever in R, camera lens is covered, blacking out screen Pulse generation (See waveform 2)
      Y27-5 (CGND) - Body ground G - Body ground Shielded ground Always Below 1 Ω
    5. B002HRFC03
      *a Waveform 1
      *b Waveform 2
      *c Synchronization Signal
      *d Video Waveform

      Reference (Waveform):

      Tech Tips

      A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio receiver assembly with the connector connected.


      1. Waveform 1

        Item Content
        Terminal No. (Symbol) Y27-3 (CV+) - Y27-2 (CV-)
        Tool Setting 200 mV/DIV., 50 μsec./DIV.
        Condition Power switch on (IG), shift lever in R, camera lens is not covered, displaying an image

        Tech Tips

        The video waveform changes according to the image sent by the rear television camera assembly.

      2. Waveform 2

        Item Content
        Terminal No. (Symbol) Y27-3 (CV+) - Y27-2 (CV-)
        Tool Setting 200 mV/DIV., 50 μsec./DIV.
        Condition Power switch on (IG), shift lever in R, camera lens is covered, blacking out screen

        Tech Tips

        The video waveform changes according to the image sent by the rear television camera assembly.