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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Monitor System - Service Information (2 Of 3) >> ULTRASONIC SENSOR (for Rear) >> Inspection [10/2017 - 10/2020] >> Procedure

Inspection [10/2017 - 10/2020]: Procedure

  1. INSPECT REAR CORNER ULTRASONIC SENSOR (for LH Side) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      O1-4 (BI) - O1-6 (EI) Always 10 kΩ or higher
      O1-4 (BI) - O1 -1 (BO) Always Below 1 Ω
      O1-5 (SI) - O1 -2 (SO) Always Below 30 Ω
      O1-6 (EI) - O1 -3 (EO) Always Below 1 Ω
      GTY824920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Rear Corner Ultrasonic Sensor)

      If the result is not as specified, replace the rear corner ultrasonic sensor.

  2. INSPECT REAR CORNER ULTRASONIC SENSOR (for RH Side) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      O4-4 (BI) - O4-6 (EI) Always 10 kΩ or higher
      O4-4 (BI) - O4-1 (BO) Always Below 1 Ω
      O4-5 (SI) - O4-2 (SO) Always Below 30 Ω
      O4-6 (EI) - O4-3 (EO) Always Below 1 Ω
      GTY824919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Rear Corner Ultrasonic Sensor)

      If the result is not as specified, replace the rear corner ultrasonic sensor.

  3. INSPECT REAR CENTER ULTRASONIC SENSOR (for LH Side) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      O2-4 (BI) - O2-6 (EI) Always 10 kΩ or higher
      O2-4 (BI) - O2-1 (BO) Always Below 1 Ω
      O2-5 (SI) - O2-2 (SO) Always Below 30 Ω
      O2-6 (EI) - O2-3 (EO) Always Below 1 Ω
      GTY824918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Rear Center Ultrasonic Sensor)

      If the result is not as specified, replace the rear center ultrasonic sensor.

  4. INSPECT REAR CENTER ULTRASONIC SENSOR (for RH Side) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      O3-4 (BI) - O3-6 (EI) Always 10 kΩ or higher
      O3-4 (BI) - O3-1 (BO) Always Below 1 Ω
      O3-5 (SI) - O3-2 (SO) Always Below 30 Ω
      O3-6 (EI) - O3-3 (EO) Always Below 1 Ω
      GTY838208Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected (Rear Center Ultrasonic Sensor)

      If the result is not as specified, replace the rear center ultrasonic sensor.

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