REPAIR INSTRUCTION INITIALIZATION

PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED/RECONNECTED

Necessary Procedures	Effect/Inoperative Function When Necessary Procedures are not Performed	Link
Drive the vehicle until stop and start control is permitted (approximately 5 to 40 minutes)	Stop and start system	Click here
Steering sensor zero point calibration	Variable gear ratio steering system	Click here
Memorize steering angle neutral point	Parking assist monitor system	Click here w/ Parallel Parking Assist Function Click here w/o Parallel Parking Assist Function
Servo motor initialization	Air conditioning system	Click here

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 60 seconds before disconnecting the cable from the negative (-) battery terminal (w/ Navigation 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 60 seconds (w/ Parallel Parking Assist Function) or 90 seconds (w/o Parallel Parking Assist Function) before disconnecting the cable from the negative (-) battery terminal (w/o Navigation System).

PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

Replacement Part	Necessary Procedure	Effect/Inoperative Function when Necessary Procedures are not Performed	Link
ECM	Perform Vehicle Identification Number (VIN) or frame number registration	MIL comes on / -	Click here for 8AR-FTS (w/ canister pump module) Click here for 8AR-FTS (w/o canister pump module)
	Heavy Knock History	-
	ECU communication ID registration (Immobiliser system)	Engine start function	See Service Bulletin for the registration method.
for 8AR-FTS (w/ Canister Pump Module) Piston ring	Clear Heavy Knock History	-	Click here for 8AR-FTS (w/ canister pump module)
for 8AR-FTS (w/ Canister Pump Module) Throttle body with motor assembly Cleaning the deposits from the throttle body with motor assembly Engine assembly Cylinder head sub-assembly Camshaft (for intake or exhaust camshaft) Camshaft timing gear assembly 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 (for low pressure side) Fuel pressure sensor (for high pressure side) Air fuel ratio sensor Heated oxygen sensor Engine coolant temperature sensor Spark plug Ignition coil assembly Air leaks from intake system Gas leaks from exhaust system Knock control sensor	Inspection after repair	Poor idle, etc. Engine start function, etc.	Click here for 8AR-FTS (w/ canister pump module)
for 8AR-FTS (w/o Canister Pump Module) Piston ring	Clear Heavy Knock History	-	Click here for 8AR-FTS (w/o canister pump module)
for 8AR-FTS (w/o Canister Pump Module) Throttle body with motor assembly Cleaning the deposits from the throttle body with motor assembly Engine assembly Cylinder head sub-assembly Camshaft (for intake or exhaust camshaft) Camshaft timing gear assembly 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 (for low pressure side) Fuel pressure sensor (for high pressure side) Air fuel ratio sensor Engine coolant temperature sensor Spark plug Ignition coil assembly Air leaks from intake system Gas leaks from exhaust system Knock control sensor	Inspection after repair	Poor idle, etc. Engine start function, etc.	Click here for 8AR-FTS (w/o canister pump module)
Millimeter wave radar sensor assembly	Adjust millimeter wave radar sensor assembly	Dynamic radar cruise control system Pre-crash safety system	Click here
Lane departure warning camera	Adjust lane departure warning camera	Lane departure alert system	Click here
Engine stop and start ECU	Upload the number of starter operations Reset air conditioning information Learning of air conditioning information Clear the zero point calibration data Perform zero point calibration of the deceleration sensor Check electromagnetic oil pump	Stop and start system	Click here
Starter assembly Note When the starter assembly is replaced, "ST NO. 1 relay" and "ST NO. 2 relay" must be also replaced.	Clear the number of starter operations
Vehicle with a non-specified battery	Perform battery type switching
Electromagnetic oil pump	Check electromagnetic oil pump
Air conditioning amplifier assembly	Reset air conditioning information Learning of air conditioning information
Automatic transmission assembly	Set transmission compensation code (step 1)*1 Perform road test to allow TCM to learn	Large shift shock Deterioration of fuel efficiency	Click here for AA81E (2GR-FSE) Initialization Click here for AA81E (2GR-FSE) Registration
Valve body assembly Shift solenoid valve SL1, 2, 3, 4 and 5	Perform road test to allow TCM to learn
TCM (If possible, read the transmission compensation code from the previous TCM)	Transfer transmission compensation code (step 2)*2 Perform road test to allow TCM to learn
TCM (If impossible, read the transmission compensation code from the previous TCM)	Set transmission compensation code (step 1)*3 Perform road test to allow TCM to learn
Engine assembly ECM	Reset memory Perform road test to allow TCM to learn
Automatic transmission assembly	Set transmission compensation code (step 1)*1 Perform road test to allow ECM to learn	Large shift shock Deterioration of fuel efficiency	Click here for AA81E (8AR-FTS) Initialization Click here for AA81E (8AR-FTS) Registration
Transmission valve body assembly Shift solenoid valve SL1, 2, 3, 4 and 5	Perform road test to allow ECM to learn
ECM (If possible, read the transmission compensation code from the previous ECM)	Transfer transmission compensation code (step 2)*8 Perform road test to allow ECM to learn
ECM (If impossible, read the transmission compensation code from the previous ECM)	Set transmission compensation code (step 1)*3 Perform road test to allow ECM to learn
Engine assembly	Reset memory Perform road test to allow ECM to learn
Absorber control ECU	Perform registration of vehicle identification information	Interrupts damping force control after moving to the 9th step. DTCs are output	Click here
Tire pressure warning ECU and receiver Tire pressure warning valve and transmitter	Transmitter ID registration Initialization	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	Click here for Initialization Click here for Registration
Skid control ECU (brake actuator assembly)	Yaw rate and acceleration sensor zero point calibration and store system information.	VSC disabled or malfunctioning DTCs are output Slip indicator light illuminated ABS warning light illuminated	Click here
Yaw rate and acceleration sensor	Clearing zero point calibration data and system information. Yaw rate and acceleration sensor zero point calibration and store system information.		Click here
Yaw rate and acceleration sensor	Clearing zero point calibration data and system information.	Stop and start system	Click here
Power steering ECU assembly Power steering link assembly	Perform rotation angle sensor initialization and torque sensor zero point calibration	DTCs are output Steering effort different between turning steering wheel left and right	Click here
Power steering ECU assembly	Assist map writing	DTCs are output EPS warning light illuminated	Click here
VGRS ECU (front steering control ECU) Steering actuator assembly Parts between the steering wheel and tires have been removed/installed, replaced or adjusted	Perform actuator angle neutral point calibration and initialization	Variable gear ratio steering system Steering wheel off-center DTCs are output	Click here for Initialization Click here for Calibration
Radio receiver assembly6 Telematics transceiver4	Vehicle contract setting	G-BOOK service Emergency call service	Click here4 Click here5
Radio receiver assembly*6	Download necessary data	Some G-BOOK service content will be unavailable.	Click here4 Click here5
Radio receiver assembly	Parking assist monitor system initialization	Parking assist monitor system (w/ Parallel Parking Assist Function)	Click here w/ Parallel Parking Assist Function
Spiral cable with sensor sub-assembly	Steering angle neutral point (Initialize parking assist monitor system) Steering angle setting
Suspension, tires, etc. Rear television camera assembly	Rear television camera assembly optical axis (Back camera position setting)
Spiral cable with sensor sub-assembly	Steering angle neutral point (Initialize parking assist monitor system) Steering angle setting	Parking assist monitor system (w/o Parallel Parking Assist Function)	Click here w/o Parallel Parking Assist Function
Suspension, tires, etc.	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)
Blind spot monitor sensor	Blind spot monitor beam axis inspection	DTCs are output	Click here
Inner rear view mirror assembly Garage door opener transmitter	Re-registration of codes in the garage door opener system Register transmitter code Rolling code systems	Garage door opener system	Click here
Certification ECU (smart key ECU assembly) ID code box (immobiliser code ECU) Steering lock ECU (steering lock actuator assembly) ECM Main body ECU (multiplex network body ECU) Electrical key transmitter sub-assembly Telematics transceiver*4	Code registration (Immobiliser system)	Wireless door lock control system Entry and start system Engine start Steering lock system	See Service Bulletin for the registration method.
Telephone Transceiver Assembly	Set the contract mode	Blocking system	-
No. 1 air conditioning radiator damper servo sub-assembly No. 2 air conditioning radiator damper servo sub-assembly (driver side No. 2 air conditioning radiator damper servo sub-assembly (front passenger side) No. 3 air conditioning radiator damper servo sub-assembly No. 4 air conditioning radiator damper servo sub-assembly No. 5 air conditioning radiator damper servo sub-assembly No. 6 air conditioning radiator damper servo sub-assembly*9 No. 1 blower damper servo sub-assembly	Initialization servo motor (Air conditioning system)	DTCs are output	Click here
Door window regulator assembly Power window regulator motor 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*7 Key-off operation function Window open warning function	Click here
Sliding roof ECU (sliding roof drive gear sub-assembly) Sliding roof glass sub-assembly Sliding roof drive cable sub-assembly	Initialize sliding roof system	Auto operation function Jam protection function Key-off operation function Key-linked function Wireless transmitter-linked function*7 Sliding roof open warning function	Click here
Headlight leveling ECU assembly	Synchronize the vehicle information Perform headlight leveling ECU assembly initialization	Headlight leveling function	Click here
Rear height control sensor sub-assembly	Perform headlight leveling ECU assembly initialization	Headlight leveling function	Click here

*1: New automatic transmission's compensation code.
*2: Read the compensation code from the previous TCM, then transfer it to the new TCM.
*3: Set the transmission compensation code of the current automatic transmission.
*4: w/ Telematics transceiver
*5: w/o Telematics transceiver
*6: w/ G-BOOK System
*7: w/ Canister pump module
*8: Read the compensation code from the previous ECM, then transfer it to the new ECM.
*9: w/ Stop and Start System