Operation CHARM: Car repair manuals for everyone.

Internal Fault






Internal fault

Checking the steering wheel angle








- Ignition off
- Disconnect the connector for the control module for the steering wheel angle sensor
- Disconnect the connector for the steering wheel module (SWM)
- Check the connectors for control module for the steering wheel angle sensor and for the steering wheel angle sensor. Check for contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault
- Reinstall the components, reconnect the connectors etc.
- Ignition on
- Read off the steering wheel angle.
Turn the steering wheel between both limit positions. Check that the steering wheel angle is updated and reaches a maximum of +710° or -710°.

Other information:
- To disconnect the connector for the control module for the steering wheel angle sensor, see Contact reel / steering wheel angle sensor, replacing Contact Reel / Steering Wheel Angle Sensor, Replacing
- To disconnect the connector for the steering wheel module (SWM), see Steering wheel module (SWM), replacing Service and Repair.




°
Was the angle in excess of 710 in either direction?

Yes - Checking the installation

No - Fault Found

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Checking the installation




- Ignition off.
The diagnostic trouble code (DTC) indicates that the steering wheel module (SWM) or the steering wheel angle sensor is incorrectly installed.
Check that the steering wheel module (SWM) and the steering wheel angle sensor are correctly installed.

Other information:
- To check the steering wheel angle sensor, see Contact reel / steering wheel angle sensor, replacing Contact Reel / Steering Wheel Angle Sensor, Replacing
- To check the steering wheel module (SWM), see Steering wheel module (SWM), replacing Service and Repair.






Continue - Verification

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Verification




Verification








- Ignition off
- Reinstall the components, reconnect the connectors etc.
- Ignition on
- Read off the steering wheel angle.
Turn the steering wheel between both lock positions. Check that the steering wheel angle is updated and reaches a maximum of +600° or -600°.





Was the steering wheel angle OK?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - Fault Found

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - FAULT-TRACING FAILED

No - Attempt New Test

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Attempt New Test - Checking the steering wheel angle

FAULT-TRACING FAILED - FAULT-TRACING FAILED

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