KNOCK SENSOR REMOVAL

CAUTION / NOTICE / HINT

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

Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part or Procedure	Necessary Procedure	Effect/Inoperative when not Performed	Link
Disconnect cable from negative battery terminal	Memorize steering angle neutral point	Lane departure alert system (w/ Steering Control)	Click here
		Simple intelligent parking assist system*1
		Toyota parking assist-sensor system (w/ Simple Intelligent Parking Assist System)*1
		Pre-collision syatem
	Initialize back door lock	Power door lock control system	Click here
	Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)*2	Stop and start system	Click here

*1: When performing learning using the GTS
Click here Click here
*2: w/ Stop and start system

PROCEDURE

REMOVE GENERATOR ASSEMBLY
- for DENSO Made:
  
  Click here
- for VALEO Made:
  
  Click here
REMOVE KNOCK SENSOR
1. Remove the bolt and separate the No. 4 engine wire.
2. Disconnect the knock sensor connector.
3. Remove the bolt and knock sensor from the cylinder block sub-assembly.
  
  Note
  
  If the knock sensor has been struck or dropped, replace it.