Fault-Tracing Information

Fault-tracing

Checking components and connections




- Ignition on.
- Activate reading off the position of the throttle.
- Check that read-off throttle position shows reasonable values at different deployments.
- Ignition off.
Check if the throttle unit is blocked. Press the throttle disc to check for jamming.
Clean the throttle unit if necessary.

Hint: The diagnostic trouble code (DTC) can be stored as the adaptation value for the throttle unit is incorrect. To reset this adaptation, lift the battery pole for a few seconds, refit it and turn the ignition to ignition position II for at least 5 seconds.

Other information
- Throttle body, B6304T4 Removal and Replacement









Continue - Verification

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Fault-tracing information

Attempt New Test - Checking components and connections

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on
Activate readout of electronic throttle unit's position.
Check that read-off throttle position shows reasonable values at different deployments.





Are these values within their permitted ranges?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

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