Signal Too High. Intermittent Fault

Signal too high. Intermittent fault

Checking the turbocharger (TC) control system
- Release the boost pressure control (BPC) valve according to Checking and adjusting the boost pressure control (BPC) valve on the turbocharger (TC) Adjustments. Check that the boost pressure control (BPC) valve is unimpeded and does not stick in the closed position
- Check the turbocharger (TC) according to Checking boost pressure with manometer while test driving the car Checking Boost Pressure With Manometer While Test Driving The Car. In particular check the hoses and the function of the pressure regulator
- Remedy as necessary.

Was a fault detected?

Yes - Fault-tracing information

No - Checking the connectors and components

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Checking the connectors and components








- Ignition off
- Check the control module and mass air flow (MAF) sensor connectors. Check for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults. Check for loose connections according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults. In particular, check for any damage
- Remedy as necessary.













Select "Continue" when the fault has been remedied.

Continue - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - FAULT FOUND

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Attempt New Test - Checking the turbocharger (TC) control system

FAULT FOUND - DONE

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