Repair Instruction: Initialization: Initialization
WARNING: This page is about a different car, the 2011 Toyota Matrix. However, it is still accessible from the selected car via links, so may be relevant.
- PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED
Replacement Part Necessary Procedure Effect / Inoperative Function when Necessary Procedures are not Performed See ECM Vehicle Identification Number (VIN) registration MIL comes on Refer to REGISTRATION for 2AZ-FE
Refer to REGISTRATION for 2ZR-FEECU communication ID registration Engine start Refer to REGISTRATION - Automatic transaxle assembly*
- Engine assembly*
- ECM*
Reset memory - Large shift shock
- The deterioration of fuel efficiency
Refer to INITIALIZATION for U140F
Refer to INITIALIZATION for U250E
Refer to INITIALIZATION for U341ETire pressure warning ECU - Register transmitter IDs
- 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 monitoring function
Refer to INITIALIZATION for initialization
Refer to REGISTRATION for registrationTire pressure warning valve and transmitter - Register transmitter IDs
- 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 monitoring function of replaced wheel
Brake actuator assembly (Skid control ECU) Perform yaw rate and acceleration sensor zero point calibration - Slip indicator light comes on
- VSC disabled or malfunctioning
Refer to CALIBRATION for 2AZ-FE
Refer to CALIBRATION for 2ZR-FEYaw rate and acceleration sensor - Clear zero point calibration data
- Perform yaw rate and acceleration sensor zero point calibration
- Slip indicator light comes on
- VSC disabled or malfunctioning
- Power steering ECU
- Power steering link assembly
Perform rotation angle sensor initialization and torque sensor zero point calibration - P/S warning light comes on
- EPS control
Refer to CALIBRATION Transponder key ECU - Key code registration
- ECU communication ID registration
Engine start Refer to REGISTRATION Key Key code registration Engine start - Door control transmitter
- Door control receiver
Refer to wireless door lock control system "REGISTRATION" procedures Wireless door lock control system Refer to REGISTRATION Front seat cushion assembly (w/ occupant classification ECU, occupant classification sensor) - Perform zero point calibration
- Sensitivity check
- Occupant classification system
- Passenger airbag ON/OFF indicator
- Airbag system (Front passenger side)
- Seat belt warning system (Front passenger side)
Refer to INITIALIZATION - Sliding roof drive gear sub-assembly (Sliding roof ECU)
- Sliding roof housing
Perform sliding roof drive gear reset - Automatic open/close function of roof glass
- Jam protection function
- Operation function after ignition switch off
Refer to INITIALIZATION - *: for U140F, U250E, U341E Automatic Transaxle