Faulty Signal

Faulty signal

Checking the throttle unit




- Ignition on
- Activate reading off the position of the throttle
- Check that both sensors indicate values within the permitted range at different deployments.

Note! Dirt, ice build-up or objects can cause the throttle disc to jam momentarily. This may cause the diagnostic trouble code (DTC) to be stored.

Check that the shutter in the throttle unit is not dirty, blocked or sticking. Clean as necessary.

Hint: A film of oil covering the throttle may mean that the flame trap is not functioning correctly.

If the diagnostic trouble code (DTC) recurs and no faults can be found as above, try replacing the throttle unit.
Remedy as necessary.

Other information
- Connecting the breakout box Connecting The Breakout Box, Engine Control Module (ECM)
- Signal specification Signal Specification, Engine Control Module (ECM)
- Throttle body, cleaning Procedures
- Throttle body Removal and Replacement
- Checking wiring and terminals Checking Wiring and Terminals














Continue - Verification

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Verification




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 reading off the position of the throttle.
Check that both sensors indicate values within the permitted range at different deployments.





Are these values within their permitted ranges?

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 - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Checking the throttle unit

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