Rear View Monitor System Terminals Of Ecu

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  1. CHECK REAR TELEVISION CAMERA ASSEMBLY

  1. CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY

  1. CHECK MULTI-DISPLAY ASSEMBLY

Rear View Monitor System -- Terminals Of Ecu



CHECK REAR TELEVISION CAMERA ASSEMBLY

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  1. Disconnect the S5 rear television camera assembly connector.

  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
    S5-3 (CGND) - Body ground
    		BR - Body ground
    		Ground
    		Always
    		Below 1 Ω
    S5-4 (CB+) - S5-3 (CGND)
    		B - BR
    		Power source
    		Engine switch on (IG), shift lever in R
    		5.5 to 7.05 V

  3. Reconnect the S5 rear television camera assembly connector.

    HINT:
    The blind rear television camera assembly uses waterproof connector. Therefore, voltage cannot be checked with the connector connected to the vehicle.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    S5-2 (CV+) - S5-3 (CGND)
    		R - BR
    		Display signal
    		Engine switch on (IG), shift lever in R
    		Pulse generation (See waveform)
    S5-1 (CV-) - S5-3 (CGND)
    		W - BR
    		Rear television camera ground
    		Always
    		Below 1 V


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  5. Using an oscilloscope, check waveform.

    HINT:
    1. The video waveform changes according to the image sent by the rear television camera assembly.
    2. A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the multi-media module receiver assembly with the connector connected.
    Text in Illustration
    *a
    		Waveform A (camera lens not covered, displaying an image)
    *b
    		Waveform B (camera lens covered, blacking out the screen)
    *c
    		Synchronization Signal
    *d
    		Video Waveform
    Waveform
    Item
    		Content
    Terminal No. (Symbol)
    		S5-2 (CV+) - S5-3 (CGND)
    Tool Setting
    		0.2 V/DIV., 50 μs/DIV.
    Condition
    		Waveform A: Engine switch on (IG), shift lever in R and camera lens is not covered, displaying an image
    Waveform B: Engine switch on (IG), shift lever in R and camera lens is covered, blacking out the screen

CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY (Click here)

CHECK MULTI-DISPLAY ASSEMBLY (Click here)