Rear View Monitor System Terminals Of Ecu

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

  1. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

Rear View Monitor System -- Terminals Of Ecu



CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


  1. Disconnect the F120 and F124 radio and display receiver assembly connectors.


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

  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
    F120-3 (ACC1) - Body ground
    		BE - Body ground
    		Power source
    		Engine switch on (ACC)
    		11 to 14 V
    Engine switch off
    		Below 1 V
    F120-4 (+B1) - Body ground
    		V - Body ground
    		Power source
    		Always
    		11 to 14 V
    F120-7 (GND1) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    F124-1 (IG) - Body ground
    		B - Body ground
    		Power source
    		Engine switch on (IG)
    		11 to 14 V
    Engine switch off
    		Below 1 V

  3. Reconnect the F120 and F124 radio and display receiver assembly connectors.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    F118-11 (CA+) - F118-23 (CGND)
    		B - Shielded
    		Power source
    		Engine switch on (ACC)
    		5.5 to 7.05 V
    F118-12 (V+) - F118-24 (V-)
    		R - W
    		Display signal
    		Engine switch on (IG), shift lever in R
    		Pulse generation (See waveform 1)
    Engine switch on (IG), shift lever in R, screen blacked out by covering camera lens
    		Pulse generation (See waveform 2)
    F124-2 (REV) - Body ground
    		L - Body ground
    		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


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

  5. Using an oscilloscope, check waveform 1.

    Waveform
    Item
    		Content
    Terminal No. (Symbol)
    		F118-12 (V+) - F118-24 (V-)
    Tool Setting
    		0.2 V/DIV., 50 μs/DIV.
    Condition
    		Engine switch on (IG), shift lever in R


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

  6. Using an oscilloscope, check waveform 2.

    Waveform
    Item
    		Content
    Terminal No. (Symbol)
    		F118-12 (V+) - F118-24 (V-)
    Tool Setting
    		0.2 V/DIV., 50 μs/DIV.
    Condition
    		Engine switch on (IG), shift lever in R and camera lens is covered, blacking out the screen