INTEGRATION RELAY(for Engine Room Side) 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 No. 1 semiconductor power integration ECU removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure	Necessary procedures	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Disconnect cable from negative (-) auxiliary battery terminal	Memorize steering angle neutral point	LKA/LDA system (for Mono camera type)	for Stereo Camera type: Click here for Mono Camera type: Click here
		Lane control system (for Stereo camera type)
		Parking support brake system*
		Pre-collision system (for Stereo camera type)
		Pre-collision system (for Mono camera type)
		Adaptive high beam system
		Lighting system (EXT) Cornering lights
		Variable gear ratio steering system	Click here
		Parking assist monitor system	Click here
		Panoramic view monitor system	Click here
	Initialize rear door sunshade system	Rear door sunshade system	Click here
	Initialize power trunk lid system	Power trunk lid system	Click here

*: When performing learning using the GTS.
Click here Click here

Tech Tips

Use the same procedure for RHD and LHD vehicles.
The procedure listed below is for LHD vehicles.

PROCEDURE

PRECAUTION

Note

After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

Click here
REMOVE LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY

Click here
DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

Click here
REMOVE UPPER RADIATOR SUPPORT SEAL

Click here
REMOVE NO. 3 RELAY BLOCK COVER
1. Detach the claw and remove the No. 3 relay block cover.
REMOVE NO. 1 SEMICONDUCTOR POWER INTEGRATION ECU
1. Detach the claw and pull out the No. 1 semiconductor power integration ECU.
  Note
  
  Make sure the connector terminal is free from oil and grease.
  
  Do not subject the No. 1 semiconductor power integration ECU to any impact.
  
  Do not use a No. 1 semiconductor power integration ECU that has been dropped.
  
  Do not disassemble the No. 1 semiconductor power integration ECU.
2. Disconnect the power source connector.
  Note
  
  Make sure the connector terminal is free from oil and grease.
  
  Do not subject the No. 1 semiconductor power integration ECU to any impact.
  
  Do not use a No. 1 semiconductor power integration ECU that has been dropped.
  
  Do not disassemble the No. 1 semiconductor power integration ECU.
3. Using a thin-bladed screwdriver with its tip wrapped with protective tape, detach the claw and disconnect the lever connector.
  Note
  
  Make sure the connector terminal is free from oil and grease.
  
  Do not subject the No. 1 semiconductor power integration ECU to any impact.
  
  Do not use a No. 1 semiconductor power integration ECU that has been dropped.
  
  Do not disassemble the No. 1 semiconductor power integration ECU.
  Rotate in this Direction Protective Tape