Signal Too Low. Permanent Fault

Signal too low. Permanent fault

EFI-242 Turbocharger (TC) control valve, signal.

Checking the signal cable




- Check cable between turbocharger (TC) control valve terminal 2 and engine control module (ECM) #B41 for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.

Continue - Verification

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Verification




Verification

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




- Ignition on.




- Select Volvo Scan Tool (ST) to activate turbocharger (TC) control valve.
- A clicking sound should be heard from the turbocharger (TC) control valve when it is activated.

Is the turbocharger (TC) control valve working?

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 signal cable

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