Steering Angle Sensor Input Circuit Fault

The steering angle sensor tells the computer how far you've turned the steering wheel. If it's not sending a good signal, the car might not know how to handle properly, which can be unsafe.

The computer expects a steady voltage signal between 0.5 to 4.5 volts from the steering angle sensor, depending on the steering wheel position.

Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.

1. 11. Check the wiring and connectors at the steering angle sensor for damage, corrosion, or loose connections. Fix any issues found. Decision: If wiring is good, proceed to step 2; if wiring is damaged, repair and retest.
2. 22. Use a multimeter to measure the voltage at the steering angle sensor while turning the steering wheel. You should see a smooth voltage change from 0.5V to 4.5V. Decision: If voltage is within range, the sensor may be faulty; if not, investigate circuit connections further.
3. 33. Inspect the steering angle sensor itself for physical damage or contamination. If intact, verify its alignment. Decision: If damaged, replace the sensor; if no damage, check the steering column for misalignment.

• Wiring issue in the steering angle sensor circuit
• Faulty steering angle sensor
• Bad connector or poor connections at sensor or module
• Steering column misalignment

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