INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION; 2021 - 2022 MY Camry HV [10/2020

Last Modified: 02-14-2025	6.11:8.1.0	Doc ID: RM100000001RYWS
Model Year Start: 2021	Model: Camry HV	Prod Date Range: [10/2020 - 08/2022]
Title: INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION; 2021 - 2022 MY Camry HV [10/2020 - 08/2022]

INITIALIZATION

PROCEDURES NECESSARY WHEN AUXILIARY BATTERY TERMINAL IS DISCONNECTED/RECONNECTED

Necessary Procedures	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Perform steering sensor zero point calibration	Lane Tracing Assist System
	Pre-collision System
	Lighting System (w/ AFS)(EXT)
Memorize steering angle neutral point	Parking Assist Monitor System
Memorize steering angle neutral point	Panoramic View Monitor System

NOTICE:

After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal.

PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

Replacement Part	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
1: The vehicle height changes because of suspension or tire replacement 2: Applies only for when removing and installing or replacing the rear television camera assembly. *3: w/ Garage Door Opener System
ECM	Perform Vehicle Identification Number (VIN) registration	MIL illuminates
Throttle body with motor assembly Cam timing control motor with EDU assembly Camshaft timing gear assembly Engine assembly Cylinder head sub-assembly Camshaft (for intake or exhaust camshaft) Camshaft timing exhaust gear assembly Piston or piston ring Mass air flow meter sub-assembly Port fuel injector assembly Direct fuel injector assembly Fuel pump (for low pressure side) Fuel pump assembly (for high pressure side) Fuel pressure sensor (fuel delivery pipe with sensor assembly) (for low pressure side) Fuel pressure sensor (for high pressure side) Air fuel ratio sensor (sensor 1) Air fuel ratio sensor (sensor 2) Engine coolant temperature sensor Spark plug Ignition coil assembly EGR valve assembly Air intake system parts Exhaust system parts Knock control sensor	Inspection After Repair	Poor idle, etc. Engine start function, etc.
Radiator shutter assembly	Change grille shutter control mode and/or perform initialization	Grille Shutter System
Inverter with converter assembly	Resolver learning	DTCs are stored Slight vibration at a vehicle speed of 5 km/h (3 mph) or less Shock or vibration during acceleration	for Nickel Metal Hydride Battery for Lithium-ion Battery
Hybrid vehicle transaxle assembly	Resolver learning Initialize resolver		for Nickel Metal Hydride Battery for Lithium-ion Battery
for Nickel Metal Hydride Battery HV battery	Battery status info update	HV battery status information cannot be updated
for Lithium-ion Battery HV battery No. 1 HV supply stack sub-assembly No. 2 HV supply stack sub-assembly	Battery status info update Prediagnostic battery charge Battery diagnosis	HV battery status information cannot be updated
for Lithium-ion Battery Battery ECU assembly HV battery junction block assembly	Current sensor offset learning	DTCs are stored
Hybrid battery terminal block	Perform high voltage fuse accumulated load history reset	DTCs are stored	for Nickel Metal Hydride Battery for Lithium-ion Battery
Millimeter wave radar sensor assembly	Adjust millimeter wave radar sensor assembly	Dynamic radar cruise control system Lane Tracing Assist System Road Sign Assist System Front Radar Sensor System Pre-collision system Lighting system (EXT)	for Triangle Target for Flat Surface Target for Driving Adjustment
Forward recognition camera Windshield glass	Adjust forward recognition camera	Dynamic radar cruise control system Front Camera System Lane Tracing Assist System Road Sign Assist System Pre-collision system Lighting system (EXT)	for One Time Recognition for Sequential Recognition for Driving Adjustment
Tire pressure warning ECU and receiver (Electrical key and tire pressure monitoring system receiver assembly) Tire pressure warning valve and transmitter	Register Transmitter ID Initialize tire pressure warning system	When DTC detection conditions of "transmitter ID not received" DTC are met, TPWS indicator blinks for 1 minute, and then illuminates. Tire pressure warning function	for Registration for Initialization
Skid control ECU (Brake booster with master cylinder assembly) Brake actuator assembly	Bleed air Clear the data stored during previous linear solenoid valve offset learning, ABS holding solenoid valve learning, brake pedal stroke sensor assembly zero point calibration and system information memorization. Perform linear solenoid valve offset learning, ABS holding solenoid valve learning, brake pedal stroke sensor assembly zero point calibration and system information memorization.	DTCs are stored ABS warning light illuminates Brake warning light / yellow (minor malfunction) illuminates Slip indicator light illuminates VSC disabled or malfunctions	for Initialization for Calibration
Brake pedal stroke sensor assembly Brake pedal	Clear the data stored during previous linear solenoid valve offset learning, ABS holding solenoid valve learning, brake pedal stroke sensor assembly zero point calibration and system information memorization. Perform linear solenoid valve offset learning, ABS holding solenoid valve learning, brake pedal stroke sensor assembly zero point calibration and system information memorization.
Skid control ECU (Brake booster with master cylinder assembly) Yaw rate and acceleration sensor (Airbag sensor assembly)	Clear zero point calibration data. Perform yaw rate and acceleration sensor zero point calibration.
Parking Brake ECU (brake actuator assembly)	Operate the electric parking brake switch	Electric Parking Brake System
Rack and pinion power steering gear assembly	Perform torque sensor zero point calibration Assist Map Writing	DTCs are output Steering effort different between turning steering wheel left and right EPS warning light illuminates
DCM (telematics transceiver)	DCM Activation	Safety Connect System
DCM (telematics transceiver)	Code registration	Telematics System
Back-up battery	Perform the reset back-up battery condition	Safety Connect System
Ultrasonic sensor	Measurement of ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Parking Support Brake System Intuitive Parking Assist System
Clearance warning ECU assembly	Measurement of ultrasonic sensor detection angle Bumper type registration Ultrasonic sensor detection angle registration
Steering sensor	Steering angle neutral point (Initialize parking assist monitor system) Steering angle setting	Parking Assist Monitor System	for Initialization for Calibration
Suspension, tires, etc.*1	Rear television camera assembly optical axis (Back camera position setting)
Rear television camera assembly	Parking assist monitor system initialization Rear television camera assembly optical axis (Back camera position setting)
Steering sensor	Steering angle neutral point (Initialize panoramic view monitor system)	Panoramic View Monitor System	for Initialization for Calibration
Television camera controller	Television camera controller initialization Adjust steering angle
Rear television camera assembly	Rear television camera view adjustment Rear television camera assembly optical axis (Back camera detection function)
Front television camera assembly Front bumper assembly Radiator grille	Front television camera view adjustment
Side television camera assembly LH Outer rear view mirror assembly LH Side television camera assembly RH Outer rear view mirror assembly RH	Side television camera view adjustment
Replacement or removal and installation of 2 or more parts: Front television camera assembly, front bumper assembly or radiator grille Rear television camera assembly Side television camera assembly LH or outer rear view mirror assembly LH Side television camera assembly RH or outer rear view mirror assembly RH	Television camera view adjustment Rear television camera assembly optical axis (Back camera detection function)*2
Suspension, tires, etc.*1	Television camera controller initialization Adjust steering angle Rear television camera assembly optical axis (Back camera position setting)
Blind spot monitor sensor	Blind spot monitor beam axis adjustment	Parking Support Brake System Blind Spot Monitor System
Inner rear view mirror assembly*3	Re-registration of codes in the garage door opener system Register Transmitter Code Rolling Code Systems	Garage Door Opener System
Certification ECU (smart key ECU assembly) Steering lock ECU (steering lock actuator or upper bracket assembly) Electrical key transmitter sub-assembly Hybrid vehicle control ECU assembly Main body ECU (multiplex network body ECU)	Code registration (Smart key System (for Start Function))	Wireless Door Lock Control System Smart Key System (for Entry Function) Smart Key System (for Start Function) Steering lock function
Occupant detection ECU Front passenger seat	Zero point calibration (Occupant classification system)	Occupant Classification System Passenger airbag ON/OFF indicator Airbag System (Front passenger side) Seat Belt Warning System (Front passenger)
No. 1 air conditioning radiator damper servo sub-assembly No. 2 air conditioning radiator damper servo sub-assembly No. 3 air conditioning radiator damper servo sub-assembly No. 1 blower damper servo sub-assembly Air conditioning amplifier assembly	Initialize servo motor (Air conditioning system)	DTCs are stored
Door window regulator assembly Power window regulator motor sub-assembly Door glass Door glass run	Initialize power window control system	Auto up and down function Jam protection function Remote control function Key-linked function Wireless transmitter-linked function Key-off operation function Catch protection function Window open warning function
Sliding roof ECU (sliding roof drive gear sub-assembly) Sliding roof glass sub-assembly Sliding roof drive cable sub-assembly Sliding roof drive gear sub-assembly	Initialize sliding roof system	Auto operation function Jam protection function Key-off operation function Key-linked function Wireless transmitter-linked function Sliding roof open warning function
Headlight ECU sub-assembly LH Headlight assembly LH	Synchronize the vehicle information Perform headlight ECU sub-assembly LH initialization	Lighting System (w/ AFS) (EXT)
Rear height control sensor sub-assembly LH	Perform headlight ECU sub-assembly LH initialization
Suspension, tires, etc.*1	Perform headlight ECU sub-assembly LH initialization

INITIALIZATION

for Nickel Metal Hydride Battery

for Lithium-ion Battery

for Lithium-ion Battery

Replacement or removal and installation of 2 or more parts: