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Front Speed Sensor: Inspection: Inspection

  1. INSPECT FRONT SPEED SENSOR 
    1. Make sure that there is no looseness at the connectors' locking part and connecting part of connector.
    2. Disconnect the speed sensor connector.
    3. Measure the resistance according to the value(s) in the table below.
      Fig 1: Identifying Front Speed Sensor Connector
      GTY154841Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Resistance

      LH 

      RH 

      Tester Connection Specified Condition
      S2-2 (FL+) - S2-1 (FL-) 0.6 to 2.5 kΩ
      Tester Connection Specified Condition
      S3-2 (FR+) - S3-1 (FR-) 0.6 to 2.5 kΩ
    4. Measure the resistance according to the value(s) in the table below.

      Resistance

      LH 

      RH 

      Tester Connection Specified Condition
      S2-2 (FL+) - Body ground 10 kΩ or higher
      S2-1 (FL-) - Body ground 10 kΩ or higher
      Tester Connection Specified Condition
      S3-2 (FR+) - Body ground 10 kΩ or higher
      S3-1 (FR-) - Body ground 10 kΩ or higher
      NOTE:

      Check the speed sensor signal after replacement. Refer to TEST MODE PROCEDURE .