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Terminals Of Ecu

  1. CHECK REAR TELEVISION CAMERA ASSEMBLY 
    Fig 1: Identifying S5 Camera Connector Terminals
    G05639228Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the S5 camera connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      VOLTAGE AND RESISTANCE SPECIFICATION

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      S5-3 (CGND) - Body ground W - Body ground Ground Always Below 1 Ω
      S5-4 (CB+) - S5-3 (CGND) B-W Power source Engine switch on (IG), shift lever moved to R 5.8 to 6.5 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the S5 camera connector.
    4. Measure the waveform according to the value(s) in the table below.
      TERMINAL DESCRIPTION AND SPECIFIED CONDITION

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      S5-2 (CV+) - S5-1 (CV-) R - Shielded Display signal Engine switch on (IG), shift lever moved to R Waveform 1

      If the result is not as specified, the camera may have a malfunction.

    5. Using an oscilloscope, check waveform 1.

      Waveform 1 (Reference) 

      WAVEFORM 1 REFERENCE

      Item Content
      Terminal No. (Symbols) S5-2 (CV+) - S5-1 (CV-)
      Tool Setting 0.2 V/DIV., 0.2 μs/DIV.
      Condition Engine switch on (IG), shift lever moved to R
  2. CHECK MULTI-DISPLAY  (See TERMINALS OF ECU )
    Fig 2: Identifying Oscilloscope Waveform 1
    G04945285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002