Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VI17
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 08/2016]
Title: INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION; 2016 MY Sienna [12/2015 - 08/2016]

INITIALIZATION

1. PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED/RECONNECTED

Necessary Procedure

Effect / Inoperative Function When Necessary Procedures are not Performed

See Page

Reset slide door close position
  • Power slide door function

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR / HATCH: POWER SLIDE DOOR SYSTEM: INITIALIZATION

  • Slide door closer function

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR / HATCH: SLIDE DOOR CLOSER SYSTEM: INITIALIZATION

Reset back door close position
  • Power back door function

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR / HATCH: POWER BACK DOOR SYSTEM: INITIALIZATION

  • Back door closer function

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR / HATCH: BACK DOOR CLOSER SYSTEM: INITIALIZATION

NOTICE:

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 Page

ECM

Vehicle Identification Number (VIN) registration

MIL comes on

2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): SFI SYSTEM: REGISTRATION

ECU communication ID registration (Engine immobiliser system)*2

Engine start

2016 - 2020 MY Sienna [12/2015 -        ]; THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/o Smart Key System): REGISTRATION

  • ECM
  • Throttle with motor body assembly (cleaning or replacement)

Learning values initialization

Rough idle

2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): THROTTLE BODY: 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

2016 MY Sienna [12/2015 - 08/2016]; U660E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION for U660E Initialization

2016 MY Sienna [12/2015 - 08/2016]; U660E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: REGISTRATION for U660E Registration

2016 MY Sienna [12/2015 - 08/2016]; U660F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION for U660F Initialization

2016 MY Sienna [12/2015 - 08/2016]; U660F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: REGISTRATION for U660F 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

2016 - 2020 MY Sienna [12/2015 -        ]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: 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

2016 - 2017 MY Sienna [12/2015 - 11/2017]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: CALIBRATION

Steering column assembly

Assist map writing
  • EPS warning light comes on
  • EPS control

2016 - 2020 MY Sienna [12/2015 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: REGISTRATION

Parking assist ECU

Parking assist ECU initialization

Parking assist monitor system

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: CALIBRATION

Rear television camera

Back camera position setting

Parking assist monitor system

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: CALIBRATION

Blind spot monitor sensor LH/RH*3

Blind spot monitor beam axis inspection

DTCs are output

2016 MY Sienna [12/2015 - 08/2016]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: OPERATION CHECK

DCM (Telematics Transceiver)

DCM activation

Safety connect system done not operative

2016 - 2017 MY Sienna [12/2015 - 11/2017]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: DCM ACTIVATION

  • Certification ECU (smart key ECU assembly)*1
  • Steering lock ECU (steering lock actuator assembly)*1
  • Key*1

Code registration (Engine immobiliser system*1
  • Wireless door lock control system
  • Smart key system
  • Engine start

2016 MY Sienna [12/2015 - 08/2016]; THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/ Smart Key System): REGISTRATION

Transponder key ECU*2
  1. Key code registration
  2. ECU communication ID registration

Engine start

2016 - 2020 MY Sienna [12/2015 -        ]; THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/o Smart Key System): REGISTRATION

  • Door control transmitter*2
  • Door control receiver*2

Registration of recognition code (Wireless door lock control system*2

Wireless door lock control system

2016 - 2020 MY Sienna [12/2015 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Smart Key System): 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)

2016 - 2020 MY Sienna [12/2015 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM: INITIALIZATION

Position control ECU assembly
  1. Initialize position information
  2. Configure limit switch starting position

Auto access seat system

2016 - 2020 MY Sienna [12/2015 -        ]; SEAT: AUTO ACCESS SEAT SYSTEM: INITIALIZATION

Fold seat control ECU

Position memory initialization

Rear power seat control system

2016 - 2020 MY Sienna [12/2015 -        ]; SEAT: REAR POWER SEAT CONTROL SYSTEM: 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

2016 - 2020 MY Sienna [12/2015 -        ]; WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: 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

2016 - 2020 MY Sienna [12/2015 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: INITIALIZATION

  • *1: w/ Smart Key System
  • *2: w/o Smart Key System
  • *3: w/ Blind Spot Monitor System