Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM1000000018A01
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL; 2018 - 2020 MY Sienna [11/2017 -        ]

REMOVAL

CAUTION / NOTICE / HINT

CAUTION:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: PRECAUTION

NOTICE:

Do not remove the steering angle sensor from the spiral cable.

PROCEDURE

1. POSITION FRONT WHEELS FACING STRAIGHT AHEAD

2. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Click here 2018 - 2020 MY Sienna [11/2017 -        ]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

4. REMOVE LOWER NO. 3 STEERING WHEEL COVER

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD: REMOVAL+

5. REMOVE LOWER NO. 2 STEERING WHEEL COVER

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD: REMOVAL+

6. REMOVE STEERING PAD

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD: REMOVAL+

7. REMOVE STEERING WHEEL ASSEMBLY

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; STEERING COLUMN: STEERING WHEEL: REMOVAL+

8. REMOVE LOWER STEERING COLUMN COVER

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; STEERING COLUMN: STEERING COLUMN ASSEMBLY: REMOVAL+

9. REMOVE UPPER STEERING COLUMN COVER

Click here 2016 - 2020 MY Sienna [12/2015 -        ]; STEERING COLUMN: STEERING COLUMN ASSEMBLY: REMOVAL+

10. REMOVE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY

(a) Disconnect the horn connector.

Text in Illustration

*1

Slider

(b) Slide the slider and disengage the airbag connector.

(c) Disconnect the steering angle sensor connector.

(d) Disengage the 3 claws and remove the spiral with sensor cable sub-assembly.

CAUTION:

  • Do not replace the spiral with sensor cable sub-assembly when the ignition switch is ON and the battery cable is connected.
  • Do not rotate the spiral with sensor cable sub-assembly when the ignition switch is ON and the battery cable is connected.
  • Make sure the steering wheel is installed and centered before rotating the steering angle sensor when performing steering angle sensor operation inspections (inspecting for abnormal noise, diagnosis inspections, etc.).
  • Do not remove the steering angle sensor from the spiral cable.
  • If there is a malfunction in the steering angle sensor, replace the spiral with sensor cable sub-assembly.