Steering Angle Sensor: Replacement

CAUTION: If the steering wheel and steering angle sensor are removed, perform "VDC SENSOR MIDPOINT SETTING MODE " of the VDC. < Ref. to VDC SENSOR MIDPOINT SETTING MODE , ADJUSTMENT, VDC Control Module and Hydraulic Control Unit (VDCCM&H/U).>

Position the front wheels straight ahead. (After moving a vehicle 5 m (16 ft) or more with front wheels positioned straight ahead, make sure that the vehicle moves straight ahead.)
Turn the ignition switch to OFF.
Disconnect the ground cable from battery and wait for at least 60 seconds before starting work. < Ref. to BATTERY , NOTE, Note.>
NOTE: For the 12 volt engine restart battery of HEV model, disconnect the ground terminal from 12V engine restart battery sensor.
Remove the driver's airbag module.
CAUTION: Before performing service on the airbag module, always refer to "CAUTION" of "General Description" in "AIRBAG SYSTEM" section. < Ref. to CAUTION , General Description.>
1. Using a hexagon wrench etc. wrapped by protective tape, insert the snap pins and release the locks (3 locations).
  
  Fig 1: Removing Driver Airbag Module
  Courtesy of SUBARU OF AMERICA, INC.
2. Disconnect the horn harness and airbag connector, and remove the airbag module. < Ref. to DRIVER'S AIRBAG MODULE, CURTAIN AIRBAG MODULE & PRETENSIONER , PROCEDURE, Airbag Connector.>
  
  Fig 2: Disconnecting Horn Harness And Airbag Connector
  Courtesy of SUBARU OF AMERICA, INC.
Remove the steering wheel.
CAUTION:
- Always use the steering wheel puller for removal to avoid deforming the steering wheel.
- If the steering wheel has been removed, make sure that the steering roll connector is not turned from the original position.
Preparation tool:

Steering wheel puller
1. Disconnect the connector and remove the nut.
2. Put alignment marks and remove the steering wheel.
  
  Fig 3: Locating Steering Wheel Connector Mounting Nut
  Courtesy of SUBARU OF AMERICA, INC.
Remove the cover assembly - column.
1. Release the screws and claws.
2. Remove the cap - key cylinder (a). (Model with keyless access)
3. Remove the cover assembly - column UPR and the cover assembly - column LWR.
  
  Fig 4: Removing Cover Assembly - Column
  Courtesy of SUBARU OF AMERICA, INC.
Remove the steering roll connector.
CAUTION: Make sure that the steering roll connector is not turned from the original position.
1. Disconnect the connector under the steering roll connector.
2. Release the claws and remove the steering roll connector.
  
  Fig 5: Identifying Steering Roll Connector
  Courtesy of SUBARU OF AMERICA, INC.
Remove the steering angle sensor.
1. Release the claws and remove the steering angle sensor (b) from the steering roll connector (a).
  
  Fig 6: Identifying Steering Angle Sensor And Roll Connector
  Courtesy of SUBARU OF AMERICA, INC.
Install the steering angle sensor.
1. Apply grease to the protrusion (a) of the new steering angle sensor.
  CAUTION: Do not rotate the steering angle sensor protrusion.
  
  Fig 7: Installing Steering Angle Sensor To Steering Roll Connector
  Courtesy of SUBARU OF AMERICA, INC.
2. Align the center of steering roll connector. < Ref. to INSTALLATION , Roll Connector.>
3. Align the position of the protrusion and install the steering angle sensor to the steering roll connector.
Install each part in the reverse order of removal.
Tightening torque:

Steering wheel: 39 N.m (3.98 kgf-m, 28.8 ft-lb)

Clearance:

Between cover assembly - column and steering wheel: 4 - 6 mm (0.16 - 0.24 in)
After installation, perform the neutral position setting of the steering angle sensor. < Ref. to VDC SENSOR MIDPOINT SETTING MODE , ADJUSTMENT, VDC Control Module and Hydraulic Control Unit (VDCCM&H/U).>