Steering Angle Sensor: Installation: Installation

WARNING:

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

INSTALL SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY
1. Check that the ignition switch is off.
2. Check that the cable is disconnected from the negative (-) battery terminal.
  WARNING:
  Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
3. Confirm that the front tires face straight forward.
4. Confirm that the turn signal switch is in the neutral position.
  NOTE:
  Perform the operation when the turn signal switch is in the neutral position. Otherwise, the turn signal pin will break.
5. Engage the 3 claws and install the spiral with sensor cable sub-assembly.
  NOTE:
  Pull the lock pin out before installing the steering wheel when replacing the spiral with sensor cable sub-assembly with a new one.
6. Connect the airbag connector.
  
  Fig 1: Locating Spiral Cable Horn, Airbag & Steering Angle Sensor Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Connect the horn connector.
8. Connect the steering angle sensor connector.
  WARNING:
  - 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.
INSTALL UPPER STEERING COLUMN COVER . Refer to INSTALLATION - Step 6
INSTALL LOWER STEERING COLUMN COVER . Refer to INSTALLATION - Step 7
ADJUST SPIRAL CABLE . Refer to INSTALLATION - Step 4
INSTALL STEERING WHEEL ASSEMBLY . Refer to INSTALLATION - Step 12
INSPECT STEERING WHEEL CENTER POINT
INSTALL STEERING PAD . Refer to INSTALLATION - Step 1
INSTALL LOWER NO. 2 STEERING WHEEL COVER . Refer to INSTALLATION - Step 3
INSTALL LOWER NO. 3 STEERING WHEEL COVER . Refer to INSTALLATION - Step 2
POSITION FRONT WHEELS FACING STRAIGHT AHEAD
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
NOTE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .

Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
INSPECT STEERING PAD . Refer to INSTALLATION - Step 5
INSPECT SRS WARNING LIGHT
Refer to DIAGNOSIS SYSTEM