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DTC B2036: Power Supply Relay Malfunction Open [09/2014 - 10/2015]: Procedure

  1. CHECK HARNESS AND CONNECTOR (SEAT BELT CONTROL ECU - BATTERY AND BODY GROUND) 
    GTY528628Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the seat belt control ECU connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      U34-7 (+B) - Body ground Always 11 to 14 V
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Seat Belt Control ECU)
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      U34-8 (PGND) - Body ground Always Below 1 Ω

    Result: 

    OK 

    REPLACE SEAT BELT CONTROL ECU 

    (Refer to REMOVAL [09/2014 - 10/2015] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR