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Steering Angle Sensor Communication Stop Mode: Procedure

  1. CHECK CAN BUS LINE FOR DISCONNECTION (STEERING ANGLE SENSOR BRANCH WIRE) 
    1. Turn the ignition switch off.
      Fig 1: Identifying Terminal CANL And CANH Of Steering Angle Sensor Connector
      GTY244357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the steering angle sensor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E62-3 (CANH) - E62-2 (CANL) Ignition switch off 54 to 69 Ω

    NG → REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO STEERING ANGLE SENSOR 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (IG, ESS) 
    1. Disconnect the steering angle sensor connector.
      Fig 2: Identifying Terminal ESS And IG Of Steering Angle Sensor Connector
      GTY244358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      E62-1 (ESS) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      E62-4 (IG) - Body ground Ignition switch ON 10 to 14 V

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   3 

  3. REPLACE STEERING ANGLE SENSOR. Refer to  REMOVAL 
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