Signal Too High / Signal Too Low

Signal too high / Signal too low

Checking intake system
Check the intake system between the turbocharger (TC) and the throttle unit. Check for air leakage.
Check particularly that the boost pressure sensor is correctly installed and has not come loose.
Try a new boost pressure sensor if no fault is found during the above fault-tracing.

Other information
- Air leaks in the intake system, checking Air Leaks in the Intake System, Checking
- Temperature and manifold absolute pressure sensor (MAPT) Service and Repair


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.
- Test drive the car on the road so that driving conditions with both high boost pressure and no boost pressure are experienced
- Connect VCT2000 to the data link connector (DLC) without switching off the engine.

Note! If the engine is switched off, the stored fault status will be erased and the test drive will have to be repeated.

Read off the diagnostic status and the fault status for the diagnostic trouble code (DTC).
Check that the diagnostic is "Completed" and that the fault status is "No fault detected". The function is faulty if the fault status is "Signal too high" or "Signal too low".









Is the fault status "No fault detected"?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - Fault Found

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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 intake system

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