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Home >> Lexus >> 2021 >> ES 350 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2GR-FKS) - Service Information >> Knock Sensor >> Removal [06/2018 - 08/2021] >> Caution / Notice / Hint

Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during knock control sensor removal/installation are shown below.

NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Battery terminal is disconnected/reconnected Perform steering sensor zero point calibration Lane Control System (for Gasoline Model) Refer to INITIALIZATION [06/2018 - 08/2021]
Pre-collision System (for Gasoline Model)
Parking Support Brake System (for Gasoline Model)*
Lighting System (for Gasoline Model)
Memorize steering angle neutral point Parking Assist Monitor System (for Gasoline Model) Refer to INITIALIZATION [06/2018 - 09/2022]
Panoramic View Monitor System (for Gasoline Model) Refer to INITIALIZATION [06/2018 - 09/2022]
Initialize power trunk lid system Power Trunk Lid System (for Gasoline Model) Refer to INITIALIZATION [06/2018 - ]
  • Replacement of direct fuel injector assembly
  • Replacement of port fuel injector assembly
  • Replacement of fuel pump assembly
  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly
  • Replacement of knock control sensor
Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.
Refer to INITIALIZATION [06/2018 - 07/2019] , or refer to INITIALIZATION [07/2019 - ]

*: When performing learning using the Techstream.

NOTE:
  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System)
  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)