PROCEDURES NECESSARY WHEN CABLE IS DISCONNECTED/RECONNECTED TO BATTERY TERMINAL

Necessary Procedure	Effect or Inoperative Function when Necessary Procedure is not Performed	See
Reset back door unlock position	Back door unlock function	Refer to INITIALIZATION

NOTE:

After the battery is reconnected, be sure to wait 10 seconds or more before attempting to start the engine. The engine may not start immediately after the battery is reconnected.

PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

Replacement Part	Necessary Procedure	Effect or Inoperative Function when Necessary Procedure is not Performed	See
ECM (for 1GR-FE)	Register VIN.	DTC P0630 is output	Refer to REGISTRATION
ECM (fro 2TR-FE)	Register VIN.	DTC P0630 is output	Refer to REGISTRATION
ECM (for 1GR-FE) Throttle body with motor assembly	Learning values save Learning values write	Engine starting	Refer to INSTALLATION
ECM (for 2TR-FE) Throttle body with motor assembly	Learning values save Learning values write	Engine starting	Refer to INSTALLATION
Automatic transmission assembly (for A750F) Valve body assembly (for A750F) Any of the shift solenoid valve (for A750F)	Reset memory	Large shift shock	Refer to INITIALIZATION
Automatic transmission assembly (for A750E) Valve body assembly (for A750E) Any of the shift solenoid valve (for A750E)	Reset memory	Large shift shock	Refer to INITIALIZATION
Tire pressure warning ECU Tire pressure warning valve and transmitter	Code registration	Tire pressure warning system	Refer to REGISTRATION
Master cylinder solenoid Yaw rate and acceleration sensor Spiral cable sub-assembly (steering angle sensor)	Calibration	Vehicle stability control system	Refer to CALIBRATION
Garage door opener transmitter	Registration	Garage door opener system	Refer to ON-VEHICLE INSPECTION
DCM (Telematics Transceiver)	DCM Activation	Safety connect system does not operative	Refer to DCM ACTIVATION
Steering lock actuator assembly Certification ECU ID code box Key	Code registration	Engine immobiliser system (w/ Smart Key System) Engine start Steering lock and unlock	Refer to REGISTRATION
Transponder key ECU ECM Key	Code registration	Engine immobiliser system (w/o Smart Key System) Engine start	Refer to REGISTRATION
Door control receiver assembly Key	Code registration	Wireless door lock control system (w/o Smart Key System)	Refer to REGISTRATION
Front power window regulator motor LH Front power window regulator motor RH Rear power window regulator motor LH Rear power window regulator motor RH Back door power window regulator motor	Motor initialization	Power window control system	Refer to INITIALIZATION
Sliding roof ECU (sliding roof drive gear sub-assembly) Sliding roof glass Sliding roof housing	Sliding roof system initialization	Auto operation	Refer to INITIALIZATION

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Repair Instruction: Initialization: Initialization

Use the Manual With the Right Hardware

When to See a Mechanic