Note
1. Set the front wheels straight ahead.

Caution
2. Turn the clock spring clockwise until it stops.
3. Turn the clock spring counterclockwise 2 3/4 turns.

4. Align the mark on the clock spring with the mark on the outer housing.
Clock spring removal/installation
Clock spring inspectionMazda 6 Service Manual: Contact Authorized Mazda Dealer and Have Vehicle Inspected
If any of the following warning lights or the indicator light turns on/flashes,
the system may have a malfunction. Contact an Authorized Mazda Dealer to have your
vehicle inspected.
...
Mazda 6 Service Manual: Steering angle sensor inspection
With DSC
1. Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION)
2. Disconnect the steering angle sensor connector.
3. Connect battery positive voltage to terminal A and ground to terminal F of
the steering angle sensor.
4. Turn the steering wheel to the right and left, and verify ...