Wide View Front Monitor System Terminals Of Ecu

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  1. PARKING ASSIST ECU

  1. FRONT TELEVISION CAMERA ASSEMBLY

  1. MULTI-MEDIA MODULE RECEIVER ASSEMBLY

  1. MULTI-DISPLAY ASSEMBLY

Wide View Front Monitor System -- Terminals Of Ecu



PARKING ASSIST ECU

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  1. Disconnect the F75 and F76 parking assist ECU connectors.

  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)
    		L - 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)
    		G - W-B
    		IG Power source signal
    		Engine switch on (IG)
    		11 to 14 V
    Engine switch off
    		Below 1 V
    F75-9 (ACC) - F75-4 (GND1)
    		GR - W-B
    		ACC Power source signal
    		Engine switch on (ACC)
    		11 to 14 V
    Engine switch off
    		Below 1 V
    F76-7 (BLSW) - F75-4 (GND1)
    		G - W-B
    		Front and side monitor main switch power source signal
    		Engine switch on (IG), front and side monitor main switch assembly on
    		11 to 14 V

  3. Reconnect the F75 and F76 parking assist ECU connectors.

  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-)
    		L
    		AVC-LAN communication signal
    		-
    		-
    F75-11 (TX+)
    		W
    		AVC-LAN communication signal
    		-
    		-
    F76-36 (BCV-) - F76-35 (BGND)
    		W - Shielded
    		Front television camera ground
    		Always
    		Below 1 V
    F76-12 (BCV+) - F76-35 (BGND)
    		R - Shielded
    		Front television camera display signal input
    		Engine switch on (IG), front and side monitor main switch assembly on
    		Pulse generation (See waveform)
    F76-35 (BGND) - F75-4 (GND1)
    		Shielded - W-B
    		Front television camera ground (shield)
    		Always
    		Below 1 V
    F76-11 (BCB+) - F76-35 (BGND)
    		B - Shielded
    		Power source to front television camera
    		Engine switch on (IG), front and side monitor main switch assembly on
    		5.5 to 7.05 V


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  5. Using an oscilloscope, check waveform.

    Text in Illustration
    *a
    		Waveform A (under normal conditions)
    *b
    		Waveform B (camera lens is covered, blacking out the screen)
    *c
    		Synchronized Signal
    *d
    		Video Waveform
    HINT:
    The video waveform changes according to the image sent by the rear television camera assembly.

    1. Waveform

      Item
      		Content
      Terminal No. (Symbol)
      		F76-12 (BCV+) - F76-35 (BGND)
      Tool Setting
      		200 mV/DIV., 50 μsec./DIV.
      Condition
      1. Waveform A: Engine switch on (IG), front and side monitor main switch assembly on and camera lens is not covered, displaying an image
      2. Waveform B: Engine switch on (IG), front and side monitor main switch assembly on and camera lens is covered, blacking out the screen.

FRONT TELEVISION CAMERA ASSEMBLY

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  1. Disconnect the A55 front television camera assembly connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    A55-3 (BGND) - Body ground
    		BR - Body ground
    		Ground
    		Always
    		Below 1 V
    A55-1 (BCB+) - A55-3 (BGND)
    		G - BR
    		Power source
    		Engine switch on (IG)
    Front and side monitor main switch on
    		5.5 to 7.05 V

  3. Reconnect the A55 front television camera assembly connector.

    HINT:
    A waterproof connector is used for the front television camera assembly. Therefore, inspect the waveform at the parking assist ECU with the connector connected.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    A55-2 (BCV+) - A55-3 (BGND)
    		L -BR
    		Display signal
    		Engine switch on (IG), front and side monitor main switch assembly on
    		Pulse generation (See waveform)
    A55-4 (BCV-) - A55-3 (BGND)
    		Y -BR
    		Front television camera ground
    		Always
    		Below 1 V


    5. Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System.Wide View Front Monitor System Terminals Of Ecu

  5. Using an oscilloscope, check waveform.

    Text in Illustration
    *a
    		Waveform A (under normal conditions)
    *b
    		Waveform B (camera lens is covered, blacking out the screen)
    *c
    		Synchronized Signal
    *d
    		Video Waveform
    HINT:
    The video waveform changes according to the image sent by the front television camera assembly.

    1. Waveform

      Item
      		Content
      Terminal No. (Symbol)
      		A55-2 (BCV+) - A55-3 (BGND)
      Tool Setting
      		200 mV/DIV., 50 μsec./DIV.
      Condition
      1. Waveform A: Engine switch on (IG), front and side monitor main switch assembly on and camera lens is not covered, displaying an image
      2. Waveform B: Engine switch on (IG), front and side monitor main switch assembly on and camera lens is covered, blacking out the screen.

MULTI-MEDIA MODULE RECEIVER ASSEMBLY (Click here)

MULTI-DISPLAY ASSEMBLY (Click here)