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Home >> Lexus >> 2021 >> RC F Fuji Speedway Edition >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> Knock Sensor >> Removal [09/2014 - ] >> Procedure
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Removal [09/2014 - ]: Procedure

  1. REMOVE INTAKE AIR SURGE TANK ASSEMBLY 

    Refer to REMOVAL [09/2014 - ]

  2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 8

  3. REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 2

  4. REMOVE NO. 4 FUEL PIPE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  5. REMOVE CASE SEPARATOR 
    1. Disconnect the fuel pressure sensor connector.
      GTY521513Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 bolts and case separator.
      GTY515751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE KNOCK CONTROL SENSOR 
    1. Disconnect the 4 knock control sensor connectors.
      GTY517338Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a for Bank 2 Sensor 1
      *b for Bank 2 Sensor 2
      *c for Bank 1 Sensor 1
      *d for Bank 1 Sensor 2
      Engine Front
    2. Remove the 4 bolts and 4 knock control sensors from the cylinder block sub-assembly.
      NOTE:

      If a knock control sensor has been struck or dropped, replace it.

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