MULTI-TERRAIN MONITOR SYSTEM TERMINALS OF ECU


  1. PARKING ASSIST ECU

    B001Y2JE02

    1. Disconnect the F75 parking assist ECU connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      F75-1 (+B) - F75-4 (GND1) G - W-B Power source signal Always 11 to 14 V
      F75-4 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      F75-8 (IG) - F75-4 (GND1) P - W-B IG power source signal Engine switch on (IG) 11 to 14 V
      F75-9 (ACC) - F75-4 (GND1) BE - W-B ACC power source signal Engine switch on (ACC) 11 to 14 V

    3. Reconnect the F75 parking assist ECU connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      F75-10 (TX-) P AVC-LAN communication signal - -
      F75-11 (TX+) V AVC-LAN communication signal - -
      F76-2 (DCB+) - F76-3 (DGND) B - G Power source to side television camera LH Engine switch on (ACC) 5.5 to 7.05 V
      F76-3 (DGND) - Body ground G - Body ground Side television camera LH ground (shield) Always Below 1 Ω
      F76-4 (DCV-) - F75-4 (GND1) W - W-B Side television camera LH ground Always Below 1 Ω
      F76-5 (DCV+) - F76-3 (DGND) R - G Side television camera LH display signal input Engine switch on (IG), main switch assembly (multi-terrain monitor main switch) on, camera lens not covered, displaying image Pulse generation (See waveform 1)
      Engine switch on (IG), main switch assembly (multi-terrain monitor main switch) on, camera lens covered, blacking out screen Pulse generation (See waveform 2)
      F76-7 (BLSW) - F75-4 (GND1)

      BE - W-B*1

      R - W-B*1

      		 Main switch assembly (multi-terrain monitor main switch) power source signal Engine switch on (IG), main switch assembly (multi-terrain monitor main switch) on 5.5 to 6.5 V
      Engine switch on (IG), main switch assembly (multi-terrain monitor main switch) off Below 1 V
      F76-10 (SCV+) - F76-32 (SGND) R - G Side television camera RH display signal input Waveform 1: Engine switch on (IG), main switch assembly (multi-terrain monitor main switch) on, camera lens not covered, displaying image Pulse generation (See waveform 1)
      Waveform 2: Engine switch on (IG), main switch assembly (multi-terrain monitor main switch) on, camera lens covered, blacking out screen Pulse generation (See waveform 2)
      F76-11 (BCB+) - F76-35 (BGND) B - G Power source to front television camera Engine switch on (ACC) 5.5 to 7.05 V
      F76-12 (BCV+) - F76-35 (BGND) R - G Front television camera display signal input Waveform 1: Engine switch on (IG), main switch assembly (multi-terrain monitor main switch) on, camera lens not covered, displaying image Pulse generation (See waveform 1)
      Waveform 2: Engine switch on (IG), main switch assembly (multi-terrain monitor main switch) on, camera lens covered, blacking out screen Pulse generation (See waveform 2)
      F76-13 (SGND) - Body ground Shielded - Body ground Rear television camera ground (shield) Always Below 1 Ω
      F76-14 (CB+) - F76-37 (CGND) B - G Power source to rear television camera Engine switch on (ACC) 5.5 to 7.05 V
      F76-15 (CV+) - F75-4 (GND1) R - W-B Rear television camera display signal input Engine switch on (IG), main switch assembly (multi-terrain monitor main switch) on, camera lens not covered, displaying image Pulse generation (See waveform 1)
      Engine switch on (IG), main switch assembly (multi-terrain monitor main switch) on, camera lens covered, blacking out screen Pulse generation (See waveform 2)
      F76-27 (REV) - F75-4 (GND1) L - W-B Revers signal Engine switch on (IG), shift lever in R 11 to 14 V
      Engine switch on (IG), shift lever not in R Below 1 V
      F76-31 (SCB+) - F76-32 (SGND) B - G Power source to side television camera RH Engine switch on (ACC) 5.5 to 7.05 V
      F76-32 (SGND) - Body ground G - Body ground Side television camera RH ground (shield) Always Below 1 Ω
      F76-33 (SCV-) - F75-4 (GND1) W - W-B Side television camera RH ground Always Below 1 Ω
      F76-35 (BGND) - Body ground G - Body ground Front television camera assembly ground (shield) Always Below 1 Ω
      F76-36 (BCV-) - F75-4 (GND1) W - W-B Front television camera ground Always Below 1 Ω
      F76-37 (CGND) - Body ground G - Body ground Rear television camera ground Always Below 1 Ω
      F76-38 (CV-) - F75-4 (GND1) W - W-B Rear television camera ground Always Below 1 Ω
      F76-39 (CANL) B CAN communication signal - -
      F76-40 (CANH) P CAN communication signal - -

      • *1: w/o Door Ajar Warning Buzzer

      • *2: w/ Door Ajar Warning Buzzer

    5. Using an oscilloscope, check waveform.

      B00207EE14
      Text in Illustration
      *a Waveform A *b Waveform B
      *c Synchronization Signal *d Video Waveform

      1. Waveform

        Item Content
        Terminal No. (Symbol)

        • F76-15 (CV+) - F76-37 (CGND)

        • F76-10 (SCV+) - F76-32 (SGND)

        • F76-12 (BCV+) - F76-35 (BGND)

        • F76-5 (DCV+) - F76-3 (DGND)
        Tool Setting 200 mV/DIV., 50 μsec./DIV.
        Condition

        • Waveform A: Engine switch on (IG), shift lever in R and camera lens is not covered, displaying an image.

        • Waveform B: Engine switch on (IG), shift lever in R and camera lens is covered, blacking out the screen.

        Tech Tips

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

  2. MULTI-MEDIA MODULE RECEIVER ASSEMBLY (for Multi-media Module Receiver Type) Click here

  3. RADIO AND DISPLAY RECEIVER ASSEMBLY (for Radio and Display Type) Click here