Signal Too High

Signal too high

Checking the hoses and the turbocharger (TC) control valve
Check that the boost pressure sensor is correctly installed and has not come loose.
Check the intake system for air leakage. Check in particular the hose between the turbocharger (TC) and the throttle unit.
The boost pressure sensor is defective if no fault is found in the above fault-tracing.

Other information:
- To check the intake system for air leakage, see Check for air leaks in the intake system Air Leaks in the Intake System, Checking
- To access or replace the boost pressure sensor, see Temperature and pressure sensor, replacing 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 connectors, components etc.
- Disconnect the VCT 2000 from the data link connector (DLC).
- Test drive the car and check that high boost pressure is obtained.
- Connect the VCT 2000 to the data link connector (DLC).

Note! Do not switch off the ignition before the VCT 2000 has been connected and the boost pressure has been tested with the smart tool.

Read off the boost pressure fault status.
When the boost pressure has been tested the display should show that the diagnostic is complete.









Is the fault status display as not found ?

Yes - VERIFIED

No - VERIFICATION FAILEDPAPER

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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 - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking the hoses and the turbocharger (TC) control valve

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