PARK ASSIST / MONITORING  CLEARANCE WARNING ECU  REMOVAL  

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

Necessary Procedure After Parts Removed/Installed/Replaced (for HV Model)

Replaced Part or Performed Procedure	Necessary Procedures	Effect/Inoperative Function When Necessary Procedures are not Performed	Link
w/ Parking Support Brake System Clearance warning ECU assembly	· Update ECU security key · Measure ultrasonic sensor detection angle · Register bumper type · Register ultrasonic sensor detection angle	· TOYOTA Parking Assist-sensor System (w/ Parking Support Brake System) · Parking Support Brake System	(202304,999999,_56,_080754,_0470654,RM100000002AHFT,)

Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)

Replaced Part or Performed Procedure	Necessary Procedures	Effect/Inoperative Function When Necessary Procedures are not Performed	Link
w/ Parking Support Brake System Clearance warning ECU assembly	· Update ECU security key · Measure ultrasonic sensor detection angle · Register bumper type · Register ultrasonic sensor detection angle	· TOYOTA Parking Assist-sensor System (w/ Parking Support Brake System) · Parking Support Brake System	(202304,999999,_56,_080754,_0470654,RM100000002AHFT,)

CAUTION:

Be sure to read Precaution thoroughly before servicing.

except NR Series Engine:

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>AIRBAG SYSTEM (except NR Series Engine)>PRECAUTION202304,999999,_58,_080741,_0584471,RM1000000029GQF,

for NR Series Engine:

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>AIRBAG SYSTEM (for NR Series Engine)>PRECAUTION202307,999999,_58,_080741,_0610731,RM100000002CGZV,

NOTICE:

After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>BEFORE DISCONNECTING BATTERY202304,202502,_V1,_143216,_0598315,RM100000002B3MI,202502,999999,_V1,_143216,_0598315,RM100000002RP07,

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

·

for HV Model:

Learning completes when vehicle is driven

Effect/Inoperative Function When Necessary Procedures are not Performed	Necessary Procedures	Link
Front Camera System	Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.	(202304,999999,_95,_139716,_0584193,RM1000000029F4C,)

·

for Gasoline Model:

Learning completes when vehicle is driven

Effect/Inoperative Function When Necessary Procedures are not Performed	Necessary Procedures	Link
Stop and Start System	Idle the engine for approximately 5 to 60 minutes or drive the vehicle until stop and start control is permitted	(201906,999999,_51,_080774,_0393362,RM100000001HXHC,)
Pre-collision System	Perform steering sensor zero point calibration	(202304,999999,_95,_139716,_0601175,RM100000002BFOE,)
Lane Tracing Assist System
Front Camera System	Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.	(202304,999999,_95,_139716,_0584193,RM1000000029F4C,)