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Home >> Toyota >> 2013 >> Matrix Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Power Steering System (Diagnostic Codes & Circuit Tests) >> Power Steering System >> DTC C1528: Motor Rotation Angle Sensor Malfunction >> Procedure
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DTC C1528: Motor Rotation Angle Sensor Malfunction: Procedure

  1. CHECK CONNECTOR CONNECTION CONDITION 
    1. Check the installation condition of the motor rotation angle sensor connector.

      OK

      The motor rotation angle sensor connector is securely connected to the power steering ECU.

    NG → CONNECT CONNECTOR 

    OK: Go to next step 

  2. READ VALUE USING TECHSTREAM (MOTOR ROTATION ANGLE SENSOR) 
    1. Turn the ignition switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the ignition switch to ON.
    4. Turn the Techstream on.
    5. Enter the following menus: Chassis / EMPS / Data List.
    6. Select the item "Motor Rotation Angle" in the Data List and read the value displayed on the Techstream.
      EMPS

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Motor Rotation Angle Motor rotation angle/
      Min.: 0 deg
      Max.: 360 deg
      During steering operation, motor rotation angle value changes from 0 to 360° Power steering is operating

      OK

      During steering operation, motor rotation angle value changes from 0 to 360°.

    NG → See step   4 

    OK → See step   3 

  3. REPLACE POWER STEERING ECU. Refer to  REMOVAL 
  4. REPLACE STEERING COLUMN. Refer to  REMOVAL