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Distance Control ECU Power Source Circuit: Wiring Diagram

Fig 1: Identifying Distance Control ECU Power Source Wiring Diagram
G04049270Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. CHECK DISTANCE CONTROL ECU 
    1. Disconnect the distance control ECU connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION AND SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      J17-1 (B) - Body ground Engine switch on (IG) 10 to 14 V
    3. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    TESTER CONNECTION AND SPECIFIED CONDITION CHART

    Tester Connection Condition Specified Condition
    J17-10 (SGND) - Body ground Always Below 1Ω
    J17-12 (GND) - Body ground Always Below 1Ω
    Fig 2: Checking Distance Control ECU
    G04049271Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE