WIDE VIEW FRONT MONITOR SYSTEM TERMINALS OF ECU


  1. CHECK PARKING ASSIST ECU

    A00952RE11

    1. Measure the voltage, resistance and check for pulses according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I3-1 (+B) - I3-3 (GND1) L - W-B Power source signal Always 11 to 14 V
      I3-7 (IG) - I3-3 (GND1) L - W-B IG power source signal Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      I3-8 (ACC) - I3-3 (GND1) P - W-B ACC power source signal Ignition switch ACC 11 to 14 V
      Ignition switch off Below 1 V
      I3-23 (BLSW) - I3-3 (GND1) L - W-B Front and side monitor main switch power source signal Ignition switch ON, wide view front and side monitor switch on 11 to 14 V
      Ignition switch ON, wide view front and side monitor switch off Below 1 V
      I3-3 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I2-25 (BGND) - Body ground GR - Body ground Front television camera shielded ground Always Below 1 V
      I2-26 (BCB+) - I3-3 (GND1) B - W-B Front television camera power source signal Wide view front monitor display screen displayed 5.8 to 7.05 V
      I2-24 (BCV+) - I3-23 (BCV-) R - W Display signal Wide view front monitor display screen displayed

      Pulse generation

      (See waveform 1)
      Camera lens covered to make image black while wide view front monitor display screen displayed

      Pulse generation

      (See waveform 2)
      I2-23 (BCV-) - I3-3 (GND1) W - W-B Front television camera ground Always Below 1 V
    2. A00963BE01

      Using an oscilloscope, check waveform 1.

      Measurement Condition
      Item Content
      Terminal No. (Symbol) I2-24 (BCV+) - I2-23 (BCV-)
      Tool Setting 0.2 V/DIV., 20 μs/DIV.
      Condition Wide view front monitor display screen displayed
    3. A009BJKE01

      Using an oscilloscope, check waveform 2.

      Measurement Condition
      Item Content
      Terminal No. (Symbol) I2-24 (BCV+) - I2-23 (BCV-)
      Tool Setting 0.2 V/DIV., 50 ms/DIV.
      Condition Camera lens covered to make image black while wide view front monitor display screen displayed