LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2012 >> Sienna SE >> Repair and Diagnosis >> General Information >> OEM General Information >> Introduction >> Repair Instruction >> Initialization >> Initialization
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Repair Instruction: Initialization: Initialization

  1. PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED/RECONNECTED 
    Necessary Procedure Effect / Inoperative Function When Necessary Procedures are not Performed See
    Reset slide door close position
    • Power slide door function
    		 Refer to INITIALIZATION
    • Slide door closer function
    		 Refer to INITIALIZATION
    Reset back door close position
    • Power back door function
    		 Refer to INITIALIZATION
    • Back door closer function
    		 Refer to INITIALIZATION
    NOTE:

    w/ Navigation System (for SD):

    After the ignition switch is turned off, the navigation receiver assembly (Navigation System (for SD)) records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 60 seconds before disconnecting the cable from the negative (-) battery terminal.

  2. 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 1AR-FE
    Refer to REGISTRATION for 2GR-FE
    ECU communication ID registration (Engine immobiliser system)*2 Engine start Refer to REGISTRATION
    • ECM (for 1AR-FE)
    • Throttle with motor body assembly (cleaning or replacement)
    		 Learning values initialization Rough idle Refer to INSTALLATION
    • ECM (for 2GR-FE)
    • Throttle with motor body assembly (cleaning or replacement)
    		 Learning values initialization Rough idle Refer to INSTALLATION
    Automatic transaxle assembly
    1. Reset memory
    2. Transaxle compensation code Input
    3. Perform road test to allow TCM to Learn
    • Large shift shock
    • The deterioration of fuel efficiency
    		 Refer to INITIALIZATION for U660E Initialization
    Refer to REGISTRATION for U660E Registration
    Refer to INITIALIZATION for U660F Initialization
    Refer to REGISTRATION for U660F Registration
    Refer to INITIALIZATION for U760E Initialization
    Refer to REGISTRATION for U760E Registration
    • Valve body assembly
    • Shift solenoid valve SL3 and/or SL4
    1. Reset memory
    2. Reset transaxle compensation code
    3. Perform road test to allow TCM to learn
    • Large shift shock
    • The deterioration of fuel efficiency
    Shift solenoid valve SL1 and/or SL2 Perform road test to allow TCM to learn
    • Large shift shock
    • The deterioration of fuel efficiency
    TCM (If possible, read the transaxle compensation code from the previous TCM) Possible
    1. Reset memory
    2. Transaxle compensation code input (Into the new TCM)
    3. Perform road test to allow TCM to learn
    • Large shift shock
    • The deterioration of fuel efficiency
    Impossible
    1. Reset memory
    2. Reset transaxle compensation code
    3. Perform road test to allow TCM to learn
    • Large shift shock
    • The deterioration of fuel efficiency
    • Tire pressure warning ECU
    • Tire pressure warning valve and transmitter
    1. Register transmitter IDs
    2. 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
    		 Refer to REGISTRATION
    • Brake actuator assembly (Skid control ECU)
    • Yaw rate and acceleration sensor
    		 Perform yaw rate and acceleration sensor zero point calibration and store system information
    • ABS warning light illumination
    • Slip indicator light illumination
    • VSC disabled or malfunctioning
    		 Refer to CALIBRATION
    Steering column assembly Assist map writing
    • EPS warning light comes on
    • EPS control
    		 Refer to REGISTRATION
    Parking assist ECU Parking assist ECU initialization Parking assist monitor system Refer to CALIBRATION
    Rear television camera Back camera position setting Parking assist monitor system Refer to CALIBRATION
    DCM (Telematics Transceiver) DCM activation Safety connect system done not operative Refer to DCM ACTIVATION
    • Certification ECU (smart key ECU assembly)*1
    • Steering lock ECU (steering lock actuator assembly)*1
    • Key*1
    		 Code registration (Engine immobiliser system (w/ Smart Key System))
    • Wireless door lock control system
    • Smart key system
    • Engine start
    		 Refer to REGISTRATION
    Transponder key ECU*2
    1. Key code registration
    2. ECU communication ID registration
    		 Engine start Refer to REGISTRATION
    • Door control transmitter*2
    • Door control receiver*2
    		 Registration of recognition code (Wireless door lock control system (w/o Smart Key System)) Wireless door lock control system Refer to REGISTRATION
    • Occupant classification ECU
    • Front passenger seat
    1. Zero point calibration (Occupant classification system)
    2. Sensitivity check (Occupant classification system)
    • Occupant classification system
    • Passenger airbag ON/OFF indicator
    • Airbag system (Front passenger side)
    • Seat belt warning system (Front passenger side)
    		 Refer to INITIALIZATION
    Position control ECU assembly
    1. Initialize position information
    2. Configure limit switch starting position
    		 Auto access seat system Refer to INITIALIZATION
    Fold seat control ECU Position memory initialization Rear power seat control system Refer to INITIALIZATION
    • Front power window regulator motor assembly LH
    • Front power window regulator motor assembly RH
    • Rear power window regulator motor assembly LH
    • Rear power window regulator motor assembly RH
    		 Motor initialization Power window control system Refer to INITIALIZATION
    • Sliding roof ECU (sliding roof drive gear assembly)
    • Sliding roof glass
    • Sliding roof housing
    		 Initializing sliding roof ECU (pulse sensor initial position setting)
    • Automatic slide open, tilt up function of sliding roof
    • Jam protection function
    		 Refer to INITIALIZATION
    • *1: w/ Smart Key System
    • *2: w/o Smart Key System
scientia non olet · About LEMON Manuals