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 CLEARANCE WARNING ECU ASSEMBLY

Toyota Parking Assist-Sensor System -- Terminals Of Ecu



CHECK CLEARANCE WARNING ECU ASSEMBLY

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 F92 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
    F92-9 (CLSW) - F92-17 (E)
    		W - BR
    		Back sonar or clearance sonar switch 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
    F92-1 (IG) - F92-30 (E)
    		B - BR
    		IG power source signal
    		Engine switch on (IG)
    		11 to 14 V
    Engine switch off
    		Below 1 V
    F92-30 (E) - Body ground
    		BR - Body ground
    		ECU ground
    		Always
    		Below 1 Ω

  3. Reconnect the F92 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
    F92-22 (BOR) - F92-23 (E1)
    		R - GR
    		Rear ultrasonic 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
    F92-8 (SOF) - F92-6 (E5)
    		LG - R
    		No. 1 ultrasonic sensor communication signal
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		Waveform 1
    F92-14 (CBZ) - F92-13 (EF)
    		G - L
    		No. 1 clearance warning buzzer signal
    		Buzzer not sounding
    		Below 1 V
    Buzzer sounding
    		Waveform 2
    F92-4 (BOF) - F92-6 (E5)
    		GR - R
    		No. 1 ultrasonic 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
    F92-24 (SOR) - F92-23 (E1)
    		LG - GR
    		Rear ultrasonic sensor communication signal
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on
    		Waveform 3


    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)
    		F92-8 (SOF) - F92-6 (E5)
    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)
    		F92-10 (BBZ) - F92-11 (EF)
    Tool Setting
    		5 V/DIV., 1 msec./DIV.
    Condition
    		Buzzer sounding
    NOTICE:
    The waveform amplitude varies depending on the volume setting.


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

  7. Using an oscilloscope, check waveform 3.

    Waveform 1 (Reference)
    Item
    		Content
    Terminal No. (Symbol)
    		F92-24 (SOR) - F92-23 (E1)
    Tool Setting
    		5 V/DIV., 1 ms./DIV.
    Condition
    		Engine switch on (IG), back sonar or clearance sonar switch assembly on