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Distance Control ECU Communication Stop Mode: Procedure

  1. CHECK OPEN IN CAN BUS WIRE (DISTANCE CONTROL ECU BRANCH LINE) 
    1. Turn the engine switch off.
    2. Disconnect the distance control ECU connector (J17).
    3. Measure the resistance according to the value(s) in the table below.
      Fig 1: Distance Control ECU Connector (J17)
      GTY357178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Value
      J17-8 (CANH) - J17-9 (CANL) Engine switch off 54 to 69 Ω

    NG → REPAIR OR REPLACE DISTANCE CONTROL ECU BRANCH WIRE OR CONNECTOR (CANH, CANL) 

    OK: Go to next step 

  2. CHECK WIRE HARNESS (+B, GND) 
    1. Measure the resistance according to the value(s) in the table below.
      Fig 2: J17 Connector
      GTY357182Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Value
      J17-12 (GND) - Body ground Always Below 1 Ω
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Value
      J17-1 (B) - Body ground Engine switch on (IG) 10 to 14 V

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   3 

  3. REPLACE DISTANCE CONTROL ECU. Refer to  REMOVAL 
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