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Home >> Lexus >> 2017 >> GS F >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System - Service Information >> Knock Sensor >> Inspection [10/2015 - ] >> Procedure

Inspection [10/2015 - ]: Procedure

  1. INSPECT KNOCK SENSOR (for Bank 1) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY672445Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for Sensor 1
      *B for Sensor 2
      *a Component without harness connected
      (Knock Sensor)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (EKNK) - 2 (KNK1)
      1 (EKN3) - 2 (KNK3)
      20°C (68°F) 120 to 280 kΩ

      If the result is not as specified, replace the knock sensor.

  2. INSPECT KNOCK SENSOR (for Bank 2) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY612313Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A Sensor 1
      *B Sensor 2
      *a Component without harness connected
      (Knock Sensor)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (EKN2) - 2 (KNK2)
      1 (EKN4) - 2 (KNK4)
      20°C (68°F) 120 to 280 kΩ

      If the result is not as specified, replace the knock sensor.