Steering Angle Sensor

Remove and replace the steering angle sensor located on the steering column, including electrical disconnection, mounting hardware removal, and calibration verification.

Warnings

Tools required

Parts

• Steering angle sensor × 1 — Use OEM specification

Preparation

1. Park vehicle on level surface and set parking brake.
2. Disconnect battery negative terminal and wait minimum 2 minutes for airbag system capacitor discharge.
3. Turn steering wheel to centered position and verify front wheels are pointed straight ahead.
4. Remove driver's side knee bolster or lower steering column cover to access steering column components.

Procedure

1. 1

   Access Steering Column Area
   Remove the lower steering column cover by locating and removing the fasteners securing it to the column. Examine the perimeter and underside for all fasteners, typically 2-4 screws. Lower the cover away from the column to expose the steering shaft and sensor mounting area.
   ⚠Support the cover as you remove the last fastener to prevent it from falling and damaging clips or connectors.
2. 2

   Locate Steering Angle Sensor
   Identify the steering angle sensor mounted on the steering column shaft below the steering wheel. The sensor is a circular or disc-shaped component that surrounds the steering shaft with an electrical connector on its housing. Note its position relative to the shaft and any alignment marks.
   ℹ️Take a photo or mark the sensor orientation relative to a fixed reference point on the column for installation reference.
3. 3

   Disconnect Electrical Connector
   Locate the electrical connector attached to the steering angle sensor. Press the release tab or locking mechanism and carefully disconnect the wiring harness from the sensor. Secure the harness away from the work area to prevent damage.
   ⚠Do not pull on wires; apply pressure only to the connector body when disconnecting.
4. 4

   Remove Sensor Mounting Hardware
   Locate the mounting bolts securing the steering angle sensor to the steering column. Remove the 3 mounting bolts that clamp the sensor housing around the steering shaft. Keep these bolts organized for reinstallation.
   Torque spec

   Mounting Bolts27 Nm (20 lb-ft)
5. 5

   Remove Steering Angle Sensor
   Carefully separate the sensor housing from the steering shaft. The sensor typically consists of two halves that clamp around the shaft. Remove both halves and inspect the mounting surfaces on the steering column for any debris or damage.
   ⚠Handle the sensor carefully to avoid damage to internal components or the gear teeth that interface with the steering shaft.
6. 6

   Inspect Mounting Area
   Inspect the steering shaft and column mounting surfaces for wear, damage, or contamination. Clean any dirt or debris from the mounting surfaces. Verify the steering shaft splines or engagement surfaces are clean and undamaged.
   ℹ️Any corrosion or damage to mounting surfaces may affect sensor accuracy and should be addressed before installation.
7. 7

   Install New Steering Angle Sensor
   Position the new steering angle sensor around the steering shaft, aligning it with the reference marks or position noted during removal. Ensure the sensor halves are properly seated and the internal gear teeth engage correctly with the steering shaft. Install the 3 mounting bolts finger-tight initially.
   ⚠Verify proper alignment before tightening bolts. Misalignment will cause incorrect steering angle readings.
8. 8

   Torque Sensor Mounting Bolts
   Tighten the sensor mounting bolts in a cross pattern to ensure even clamping force. Torque all mounting bolts to specification using a torque wrench. Verify the sensor housing is secure and does not rotate on the steering shaft.
   Torque spec

   Mounting Bolts27 Nm (20 lb-ft)
9. 9

   Reconnect Electrical Connector
   Reconnect the electrical connector to the steering angle sensor, ensuring it clicks or locks into place. Gently tug on the connector to verify it is fully seated and secured.
   ℹ️Ensure no wires are pinched or routed where they can contact moving steering components.
10. 10

    Reinstall Steering Column Covers
    Reinstall the lower steering column cover by aligning it with the column and securing all fasteners. Verify all clips and mounting points are properly engaged before tightening fasteners.
    Torque spec

    Cover Screws11 Nm (8 lb-ft)
11. 11

    Reconnect Battery and Initialize Sensor
    Reconnect the battery negative terminal. Turn the ignition to the ON position without starting the engine. Using a scan tool, access the steering angle sensor module and perform the initialization or calibration procedure according to manufacturer specifications. This typically involves centering the steering wheel and executing the calibration command.
    ⚠Failure to properly calibrate the sensor will result in stability control system faults and warning lights.

Reassembly

1. Reassembly follows removal in reverse order.
2. Ensure all fasteners are torqued to specification.
3. Verify electrical connections are fully seated and locked.
4. Steering angle sensor MUST be calibrated using a scan tool after installation.

Verification

• Start the engine and verify no warning lights related to stability control, traction control, or steering systems are illuminated on the instrument cluster.
• Using a scan tool, verify the steering angle sensor is reading correctly and shows 0 degrees with the steering wheel centered and wheels pointed straight ahead.
• Turn the steering wheel lock-to-lock and verify the sensor readings change smoothly and return to 0 degrees when centered.
• Test drive the vehicle and verify all stability control and traction control systems function properly without warning lights or faults.

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