Parking Assist Monitor System (W/ Side Monitor System) Terminals Of Ecu

  1. PARKING ASSIST ECU

  1. NAVIGATION RECEIVER ASSEMBLY (for Navigation Receiver Type)

  1. RADIO AND DISPLAY RECEIVER ASSEMBLY (for Radio and Display Type)

  1. MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Parking Assist Monitor System (W/ Side Monitor System) -- Terminals Of Ecu



PARKING ASSIST ECU

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  1. Disconnect the I6 and I7 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
    I6-1 (+B) - I6-4 (GND1)
    		L - W-B
    		Power source signal
    		Always
    		10 to 16 V
    I6-4 (GND1) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    I6-8 (IG) - I6-4 (GND1)
    		L - W-B
    		IG power source signal
    		Engine switch on (IG)
    		10 to 16 V
    Engine switch off
    		Below 1 V
    I6-9 (ACC) - I6-4 (GND1)
    		P - W-B
    		ACC power source signal
    		Engine switch on (ACC)
    		10 to 16 V
    Engine switch off
    		Below 1 V
    I7-8 (BLSW) - I6-4 (GND1)
    		L - W-B
    		Front and side monitor main switch power source signal
    		Engine switch on (IG), front and side monitor main switch on
    		10 to 16 V

  3. Reconnect the I6 and I7 parking assist ECU connectors.

  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
    I6-10 (TX-)
    		LG
    		AVC-LAN communication signal
    		-
    		-
    I6-11 (TX+)
    		L
    		AVC-LAN communication signal
    		-
    		-
    I7-15 (CV+) - I7-37 (CGND)
    		R - GR
    		Rear television camera display signal input
    		Engine switch on (IG), camera lens not covered, displaying image
    		Pulse generation (See waveform 1)
    Engine switch on (IG), camera lens covered, blacking out screen
    		Pulse generation (See waveform 2)
    I7-14 (CB+) - I7-37 (CGND)
    		B - GR
    		Power source to rear television camera
    		Engine switch on (IG)
    		5.5 to 7.05 V
    I7-27 (REV) - I6-4 (GND1)
    		R - W-B
    		Reverse signal
    		Engine switch on (IG), shift lever in R
    		7.5 to 14 V
    Engine switch on (IG), shift lever not in R
    		Below 1 V
    I7-37 (CGND) - I6-4 (GND1)
    		GR - W-B
    		Rear television camera ground (shield)
    		Always
    		Below 1 Ω
    I7-38 (CV-) - I7-37 (CGND)
    		W - GR
    		Rear television camera ground
    		Always
    		Below 1 V


    5. Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Park Assist Monitoring.Toyota Parking Assist-Sensor System (W/ Multi-Display).Parking Assist Monitor System (W/ Side Monitor System) Terminals Of Ecu

  5. Using an oscilloscope, check waveform.

    Text in Illustration
    *a
    		Waveform 1
    *b
    		Waveform 2
    *c
    		Synchronized Signal
    *d
    		Video Waveform
    HINT:
    The video waveform changes according to the image sent by the rear television camera assembly.

    1. Waveform 1

      Measurement Condition
      Item
      		Content
      Terminal No. (Symbol)
      		I7-15 (CV+) - I7-37 (CGND)
      Tool Setting
      		200 mV/DIV., 50 μsec./DIV.
      Condition
      		Engine switch on (IG), camera lens is not covered, displaying an image.

    2. Waveform 2

      Measurement Condition
      Item
      		Content
      Terminal No. (Symbol)
      		I7-15 (CV+) - I7-37 (CGND)
      Tool Setting
      		200 mV/DIV., 50 μsec./DIV.
      Condition
      		Engine switch on (IG), camera lens is covered, blacking out the screen.

NAVIGATION RECEIVER ASSEMBLY (for Navigation Receiver Type) (LandCruiser RM0000011BQ0RNX.html)

RADIO AND DISPLAY RECEIVER ASSEMBLY (for Radio and Display Type) (LandCruiser RM000003YVI03JX.html)

MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (LandCruiser RM000001Y8B042X.html)