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Inspection Procedure

  1. CHECK WIRE HARNESS (IG1, ESS) 
    1. Disconnect the connector (S12) from the steering sensor.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 1: Disconnecting Connector (S12) From Steering Sensor
      G02679687Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      RESISTANCE CONDITION

      Tester connection Condition Specified value
      S12-2 (ESS)-Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.
    VOLTAGE CONDITION

    Tester connection Condition Specified value
    S12-1 (IG1)-Body ground IG switch ON 10to14V
    NOTE: Perform the measurement from the back of the connector with the connector connected.
    1. NG: REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR 

    OK: Go To Next Step 

    REPLACE STEERING SENSOR (SEE  STEERING SENSOR  ) 

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