Toyota Parking Assist-Sensor System Terminals Of Ecu

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Park Assist Monitoring. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. CHECK PARK ASSIST ECU (w/ Side Monitor System)

  1. CHECK CLEARANCE WARNING ECU ASSEMBLY (w/o Side Monitor System)

Toyota Parking Assist-Sensor System -- Terminals Of Ecu



CHECK PARK ASSIST ECU (w/ Side Monitor System)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System.Toyota Parking Assist-Sensor System Terminals Of Ecu

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

  2. Measure the voltage and resistance according to 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
    F76-25 (CSSW) - F75-4 (GND1)
    		Y - W-B
    		back sonar or clearance sonar switch assembly power source signal
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		11 to 14 V
    Engine switch on (IG), back sonar or clearance sonar switch assembly off
    		Below 1 V
    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

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

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    F76-3 (LIN2) - F76-4 (CSG2)
    		LG - GR
    		Rear sensor circuit power source
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		Waveform 1
    F76-5 (CSB1) - F76-6 (CSG1)
    		GR - R
    		Front sensor circuit power source
    		Engine switch off
    		Below 1 V
    Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		7.2 to 8.8 V
    F75-6 (EF) - F75-7 (BBZ)
    		L - G
    		No. 1 clearance warning buzzer signal
    		Buzzer does not sound
    		Below 1 V
    Buzzer sounding
    		Waveform 2
    F76-20 (CSB2) - F76-4 (CSG2)
    		R - GR
    		Rear sensor circuit power source
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		7.2 to 8.8 V
    Engine switch off
    		Below 1 V
    F76-23 (LIN1) - F76-6 (CSG1)
    		LG - R
    		Front sensor circuit power source
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		Waveform 1


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

  5. Using an oscilloscope, check waveform 1.

    Waveform 1 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    1. F76-3 (LIN2) - F76-4 (CSG2)
    2. F76-23 (LIN1) - F76-6 (CSG1)
    Tool Setting
    		2 V/DIV., 1 msec./DIV.
    Condition
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on


    6. Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System.Toyota Parking Assist-Sensor System Terminals Of Ecu

  6. Using an oscilloscope, check waveform 2.

    Waveform 2 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		F75-6 (EF) - F75-7 (BBZ)
    Tool Setting
    		5 V/DIV., 1 msec./DIV.
    Condition
    		Engine switch on (IG), shift lever moved to R
    NOTICE:
    The waveform amplitude varies depending on the volume setting.

CHECK CLEARANCE WARNING ECU ASSEMBLY (w/o Side Monitor System)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System.Toyota Parking Assist-Sensor System Terminals Of Ecu

  1. Disconnect the F12 clearance warning ECU assembly connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    F12-12 (CSSW) - F12-17 (GND1)
    		Y - W-B
    		back sonar or clearance sonar switch assembly power source signal
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		11 to 14 V
    Engine switch on (IG), back sonar or clearance sonar switch assembly off
    		Below 1 V
    F12-15 (IG) - F12-17 (GND1)
    		G - W-B
    		IG power source signal
    		Engine switch on (IG)
    		11 to 14 V
    Engine switch off
    		Below 1 V
    F12-17 (GND1) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω

  3. Reconnect the F12 clearance warning ECU assembly connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    F12-7 (CSB2) - F12-18 (CSG2)
    		R - GR
    		Rear sensor circuit power source
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		7.2 to 8.8 V
    Engine switch off
    		Below 1 V
    F12-9 (LIN1) - F12-19 (CSG1)
    		LG - R
    		Front sensor circuit power source
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		Waveform 1
    F12-10 (BBZ) - F12-11 (EF)
    		G - L
    		No. 1 clearance warning buzzer signal
    		Buzzer not sounding
    		Below 1 V
    Buzzer sounding
    		Waveform 2
    F12-21 (CSB1) - F12-9 (LIN1)
    		GR - LG
    		Front sensor circuit power source
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		7.2 to 8.8 V
    Engine switch off
    		Below 1 V
    F12-24 (LIN2) - F12-18 (CSG2)
    		LG - GR
    		Rear sensor circuit power source
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		Waveform 1


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

  5. Using an oscilloscope, check waveform 1.

    Waveform 1 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    1. F12-9 (LIN1) - F12-19 (CSG1)
    2. F12-24 (LIN2) - F12-18 (CSG2)
    Tool Setting
    		2 V/DIV., 1 msec./DIV.
    Condition
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on


    6. Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System.Toyota Parking Assist-Sensor System Terminals Of Ecu

  6. Using an oscilloscope, check waveform 2.

    Waveform 2 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		F12-10 (BBZ) - F12-11 (EF)
    Tool Setting
    		5 V/DIV., 1 msec./DIV.
    Condition
    		Engine switch on (IG), shift lever moved to R
    NOTICE:
    The waveform amplitude varies depending on the volume setting.