Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Lincoln MKS Base, FWDFACTORY OEM SERVICE PROCEDURE
Steering Angle Sensor Module (SASM): Installation
For vehicles with Active Park Assist
- If the arrow on the SASM ring and the arrow on the sensor housing are misaligned and/or the straight-ahead position of the sensor is not known, follow these steps to align the sensor prior to installing the sensor:
- Orient the front wheels in the straight-ahead position.
- Connect the SASM electrical connector.
- Carefully rotate the sensor clockwise until it stops.
- Rotate the sensor counterclockwise two and one-half turns.
- Using the scan tool, read the SASM position PID (SWA POS). The PID should read approximately 0 degrees. If not, repeat the procedure.
- Disconnect the SASM electrical connector.
For vehicles without Active Park Assist
- If the arrow on the SASM ring and the arrow on the sensor housing are misaligned and/or the straight-ahead position of the sensor is not known, follow these steps to align the sensor prior to installing the sensor:
- Orient the front wheels in the straight-ahead position.
- Carefully rotate the sensor clockwise until it stops.
- Rotate the sensor counterclockwise two and one-half turns.
For all vehicles
NOTE:
Slight rotation of the SASM ring is allowed to align the 2 arrows.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
