REAR VIEW MONITOR SYSTEM(for Radio and Display Type) TERMINALS OF ECU


  1. RADIO AND DISPLAY RECEIVER ASSEMBLY

    A01V79RN01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    G141-3 (ACC1) - G141-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC

    11 to 14 V*1

    10.5 to 16 V*2
    G141-4 (+B1) - G141-7 (GND1) SB - BR Power source (+B) Always

    11 to 14 V*1

    10.5 to 16 V*2
    G141-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 Ω
    G143-1 (IG) - G141-7 (GND1) Y - BR Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    G143-2 (REV) - G141-7 (GND1) G - BR Reverse signal See "Vehicle Signal Check Mode" in Operation Check -
    G159-11 (CA+) - G159-23 (CGND) B - Shielded Power source Ignition switch ON 5.5 to 7.05 V
    G159-12 (V+) - G159-23 (CGND) W - Shielded Video signal Ignition switch ON, camera lens not covered, displaying an image

    Pulse generation

    (See waveform 1)
    Ignition switch ON, camera lens covered, blacking out the screen

    Pulse generation

    (See waveform 2)
    G159-23 (CGND) - Body ground Shielded - Body ground Shielded ground Always Below 1 V
    G159-24 (V-) - G159-23 (CGND) R - Shielded Ground Always Below 1 V

    *1: w/o Stop and Start System

    *2: w/ Stop and Start System


    1. A01V7ZQC03
      *a Waveform 1
      *b Waveform 2
      *c Synchronized Signal
      *d Video Waveform

      Reference (Oscilloscope waveform):


      1. Waveform 1

        Item Content
        Terminal No. (Symbol) G159-12 (V+) - G159-23 (CGND)
        Tool Setting 200 mV/DIV., 50 μsec./DIV.
        Condition Ignition switch ON, camera lens not covered, displaying an image

      2. Waveform 2

        Item Content
        Terminal No. (Symbol) G159-12 (V+) - G159-23 (CGND)
        Tool Setting 200 mV/DIV., 50 μsec./DIV.
        Condition Ignition switch ON, camera lens covered, blacking out the screen

        Tech Tips

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