REPAIR INSTRUCTION > INITIALIZATION

PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

*1: w/ Stop and Start System

Replacement Part	Necessary Procedure	Effect / Inoperative Function when Necessary Procedures are not Performed	Note
ECM (for 1KR-FE)	Clear the CVT learned values Deceleration sensor 0 point calibration CVT oil pressure calibration	Warning light comes on The deterioration of fuel efficiency	Turn the ignition switch to ON. Do not start the engine.
ECM (for 1KR-FE)	ECM communication ID registration	Engine start	-
ECM (for 1NR-FE)	Clear the CVT learned values Deceleration sensor 0 point calibration CVT oil pressure calibration	Warning light comes on The deterioration of fuel efficiency	Turn the ignition switch to ON. Do not start the engine.
ECM (for 1NR-FE)	ECM communication ID registration	Engine start	-
ECM (for 1ND-TV)	Learning Values Save Learning Values Write	Warning light comes on The deterioration of fuel efficiency	-
Injector Assembly (for 1ND-TV)	Injector Compensation Pilot Quantity Learning Values Reset	Warning light comes on The deterioration of fuel efficiency	-
DPF Catalyst (for 1ND-TV)	DPF Deterioration Record Clear	Warning light comes on The deterioration of fuel efficiency	-
A/F Sensor (for 1ND-TV)	A/F Sensor Compensation Reset	Warning light comes on The deterioration of fuel efficiency	-
Engine Assembly (for 1ND-TV)	Injector Compensation Pilot Quantity Learning Values Reset	Warning light comes on The deterioration of fuel efficiency	-
Engine stop and start ECU	Read number of starter operations Register number of starter operations Clear A/C information Register A/C information	Stop and Start System	Click here
Starter Assembly*1	Clear number of starter operations	Stop and Start System	Click here
CVT Oil pressure sensor	Clear the CVT learned values Deceleration sensor 0 point calibration CVT oil pressure calibration	Warning light comes on The deterioration of fuel efficiency	Turn the ignition switch to ON. Do not start the engine.
Front wheel alignment adjustment	Clearing zero point calibration data Yaw rate and acceleration sensor zero point calibration	Warning light comes on The deterioration of fuel efficiency	Necessary when the parts is removed and installed.
Skid control ECU	Yaw rate and acceleration sensor zero point calibration	Warning light comes on The deterioration of fuel efficiency	Turn the ignition switch to ON. Do not start the engine.
Yaw rate and acceleration sensor	Clearing zero point calibration data Yaw rate and acceleration sensor zero point calibration	Warning light comes on The deterioration of fuel efficiency	Turn the ignition switch to ON. Do not start the engine.
Steering lock actuator assembly (steering lock ECU)	The key ID code registration	Engine start	See the Service Bulletin for the registration method.
Steering column assembly	Assist map writing	EPS warning light comes on	DTC (C1581/26 or C1582/26) will be stored when the power steering ECU is replaced.
w/ Entry and Start System Certificatoin ECU Electrical key transmitter	ECU code registration	Wireless door lock control system Smart entry and start system	See the Service Bulletin for the registration method.
w/o Entry and Start System door control receiver door control transmitter	Recognition code registration	Wireless door lock control system	-
w/ Entry and Start System ID code box	ECU code registration ECU communication ID registration	Engine immobiliser system (w/ entry and start system) Smart entry and start system (for start function)	See the Service Bulletin for the registration method.
w/o Entry and Start System Transpender key ECU	ECU communication ID registration	Engine immobiliser system (w/o entry and start system)	See the Service Bulletin for the registration method.
Power window regulator Power window regulator motor assembly Door glass	Initialize power window control system	Automatic door glass open/ close function Jam protection function Power window control system	Necessary when the regulator is removed and installed.

PILOT QUANTITY LEANING VALUES RESET (When replace all injectors (ECD SYSTEM))

HINT:

After replacing fuel injector(s), perform both the "Injector Compensation" and the "Pilot Quantity Learning Values Reset" functions using the intelligent tester. If fuel injector(s) and the ECM are replaced at the same time, perform the same initializations/registrations as when replacing the ECM.
After replacing the air fuel ratio sensor, perform the "A/F Sensor Compensation Reset" function using the intelligent tester. If the air fuel ratio sensor and the ECM are replaced at the same time, perform the same initializations/registrations as when replacing the ECM.
After replacing the DPF catalytic converter, perform the "DPF Deterioration Record Clear" function using the intelligent tester. If the DPF catalytic converter and the ECM are replaced at the same time, perform the same initializations/registrations as when replacing the ECM.
After replacing the engine assembly, perform both the "Injector Compensation" and the "Pilot Quantity Learning Values Reset" functions using the intelligent tester. If the engine assembly and the ECM are replaced at the same time, perform the same initializations/registrations as when replacing the ECM.
When the diesel throttle body assembly, EGR valve assembly or turbocharger sub-assembly is replaced, perform initialization in action of the turning ignition switch from ON to OFF and wait for 30 seconds or more.
The "DPF Deterioration Record Clear" function appears on the intelligent tester display only for vehicles with the DPF system.

When any injectors and/or the engine assembly are replaced, the pilot quantity learning values stored in the ECM must be reset.

Connect the intelligent tester to the DLC3.
Turn the ignition switch to ON and turn the tester on.
Enter the following menus: Powertrain / Engine and ECT / Utility / Pilot Quantity Learning Values Reset.

Press "Next".
HINT:
Confirm that the ignition switch is ON and the engine is stopped.

Select "All Injectors" and press "NEXT".

Press "EXIT".

PILOT QUANTITY LEANING VALUES RESET (When replacing specific injector(s) (ECD SYSTEM))

HINT:

When any injectors and/or the engine assembly are replaced, the pilot quantity learning values stored in the ECM must be reset.

Connect the intelligent tester to the DLC3.
Turn the ignition switch to ON and turn the tester on.
Enter the following menus: Powertrain / Engine and ECT / Utility / Pilot Quantity Learning Values Reset.

Press "Next".
HINT:
Confirm that the ignition switch is ON and the engine is stopped.

Select "Specific Injector(s)" and press "NEXT".

Select the cylinder(s) where injector(s) was replaced, and press "NEXT".

Press "EXIT".

DPF DETERIORATION RECORD CLEAR (ECD SYSTEM)

HINT:

This value is the ash accumulation volume in the DPF catalytic converter calculated by the ECM. If the ash accumulation volume in the DPF catalytic converter increases, the difference in pressure in front of and behind the DPF catalytic converter will increase. The difference in pressure in front of and behind the DPF catalytic converter is offset depending on the volume of accumulated ash.
When a DPF catalyst is replaced, the DPF deterioration record stored in the ECM must be cleared.

Connect the intelligent tester to the DLC3.
Turn the ignition switch to ON and turn the tester on.
Enter the following menus: Powertrain / Engine and ECT / Utility / DPF Deterioration Record Clear.

Press "Next".
HINT:
Confirm that the ignition switch is ON and the engine is stopped.

Press "Next".

A/F SENSOR COMPENSATION RESET (ECD SYSTEM)

HINT:

When an air fuel ratio sensor is replaced, the A/F sensor compensation learning value stored in the ECM must be reset.

Connect the intelligent tester to the DLC3.
Turn the ignition switch to ON and turn the tester on.
Enter the following menus: Powertrain / Engine and ECT / Utility / A/F Sensor Compensation Reset.

Press "Next".
HINT:
Confirm that the ignition switch is ON and the engine is stopped.

Press "EXIT".

RESET MEMORY (CVT SYSTEM)

NOTICE:

Performing reset memory/initialization will clear the learned values of both the yaw rate and acceleration sensor (deceleration sensor 0 point calibration) and the CVT oil pressure (CVT oil pressure calibration). Make sure to perform reset memory, yaw rate and acceleration sensor 0 point calibration, and CVT oil pressure calibration when replacing any of the parts shown in the following table:
Replaced Part
Continuously variable transaxle assembly
ECM
Oil pressure sensor
Yaw rate and acceleration sensor
After reset memory, always perform yaw rate and acceleration sensor (deceleration sensor 0 point) calibration first, and then the CVT oil pressure calibration.

Perform the reset memory as follows:
1. Turn the ignition switch off.
2. Move the shift lever to P and apply the parking brake.
3. Connect the intelligent tester to the DLC3.
4. Turn the ignition switch to ON.
  NOTICE:
  Do not start the engine.
5. Turn the tester on.
6. Perform the Reset Memory procedure from the main menu.
7. Enter the following menus: Powertrain / Engine and ECT / Utility / Reset Memory.
8. Press "Next".
Deceleration Sensor 0 Point Calibration
NOTICE:
1. Keep the vehicle stopped, level and stable during the calibration.
2. Make sure that the shift lever is in P.
3. Make sure that the engine is stopped.
4. Make sure that the ignition switch is ON.
5. To prevent idling vibrations, do not start the engine.
1. Perform the yaw rate and acceleration sensor (deceleration sensor 0 point calibration) as follows:
  (1) Turn the ignition switch to ON and wait at least 2 seconds.
  Enter the following menus: Powertrain / Engine and ECT / Utility / Deceleration Sensor 0 Point Calibration.*1
  Press "Next".*2
  HINT:
  1. When "Complete" is displayed on the screen, the deceleration sensor 0 point calibration is completed.
  2. If "Error" is displayed on the screen, the deceleration sensor circuit may have a malfunction.
  3. Shaking or vibrating the vehicle during the 0 point calibration may cancel the calibration. If "Error" is displayed on the screen, perform steps *1 and *2 again.
CVT Oil Pressure Calibration
1. Turn the ignition switch off and wait at least 30 seconds.
2. Turn the ignition switch to ON and wait at least 2 seconds.
  NOTICE:
  Do not start the engine.
3. Start the engine and wait at least 5 seconds.
4. Enter the following menus: Powertrain / Engine and ECT / Utility / CVT Oil Pressure Calibration.
5. Press "Next".
  HINT:
  1. During the CVT oil pressure calibration, the engine idle speed will increase.
  2. When "Complete" is displayed on the screen, the CVT oil pressure calibration is completed.
  3. The learned values cannot be cleared by only disconnecting and reconnecting the cable to the negative (-) battery terminal.

OIL MAINTENANCE INFORMATION MODE RESET OPERATION (METER/GAUGE SYSTEM for 1ND-TV)

NOTICE:

If the oil change reminder light is on, change the engine oil and then perform this procedure.
To prevent the oil change reminder light from coming on after changing the engine oil, perform this procedure.

HINT:

In the oil maintenance management system, soot volume in the engine oil is calculated from the engine operating conditions.
Based on the calculated volume, the engine oil change reminder light turns on to inform the driver when to change the engine oil.
The ECM calculates the volume of the soot in the engine oil from the vehicle speed, engine speed, injection volume, injection timing, and intake air volume in order to control this system.
The trip meter reset knob is located on the lower left side of the combination meter assembly.

Turn the ignition switch to ON.
Press the trip meter reset knob until the odometer displays "TRIP A".
Turn the ignition switch off.

Turn the ignition switch to ON while pressing and holding the trip meter reset knob. The LCD counts down by the dashes for 5 seconds as shown in the illustration to complete the reset procedure.
Release the trip meter reset knob.
After the reset procedure is complete, the LCD displays "000000" for 1 second. The LCD displays the odometer.
HINT:
If the oil change reminder light is on before performing this reset procedure, the reminder light goes off at this point.
Turn the ignition switch off.

INITIALIZE POWER WINDOW CONTROL SYSTEM (POWER WINDOW REGULATOR MOTOR)

NOTICE:

When the power window regulator motor is reinstalled or replaced, the power window control system must be initialized. Functions such as the AUTO UP/DOWN, jam protection and key-off do not operate if the initialization is not performed.

HINT:

When the battery is replaced, it is not necessary to initialize the power window regulator motor.

NOTICE:

When the power window regulator motor is replaced, DTC B2313 is output. Clear the DTC after the initialization.
When performing initialization, do not perform any other procedures.
After a door glass or a door glass run has been replaced, the jam protection function may operate unexpectedly when the AUTO UP function is used, due to detection of the different operation learned value of the door glass movement speed. In such cases, the AUTO UP function can be resumed by repeating the following operation at least 5 times:
(a) Open the power window by fully pushing down the power window switch.
(b) Close the power window by fully pulling up the power window switch and holding it at the AUTO UP position.
If the initialization is not completed properly, the LIN communication system may have a malfunction (Click here).

Initialization procedures when replacing the power window regulator motor with new one.
1. Connect the battery and turn the ignition switch to ON. At this time, the LED on the power window switch blinks to indicate that it is ready for initialization.
2. Fully open the window by fully pushing the power window switch, and hold the switch for 1 second or more after the window is fully opened.
3. Fully close the power window by fully pulling the power window switch, and hold the switch for 1 second or more after the window is fully closed to reset the glass position. The LED on the power window switch changes from blinking to illuminated to indicate that the initialization is complete.
Initialization procedures when removing/installing the power window regulator motor or when the power window does not fully open.
1. Connect the battery and turn the ignition switch to ON.
2. Fully close the power window by fully pulling the power window switch, and hold the switch up for 6 seconds or more after the window is fully closed. If the power window does not move or stops halfway even when the switch is fully pulled, release the switch and fully pull it again.
3. Fully open the window by pushing down the power window switch, and hold the switch down for 1 second or more after the window is fully opened.
4. Release the power window switch. Then fully push and hold the switch 4 seconds or more.
5. Fully close the power window by fully pulling the power window switch, and hold the switch 1 second or more after the window is fully closed to reset the glass position. The initialization is complete.