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Faulty Signal. Permanent Fault






Faulty signal. Permanent fault

Checking camshaft setting




- Ignition off
- Check the camshaft position (CMP) sensor and the control module connectors. Check for contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault
- Check the setting of the camshafts. See Camshaft seals, replacing Camshaft Seals, Replacing
- Remedy as necessary.

Other information:
- To access the control module, see Engine control module (ECM), replacing Replacing Engine Control Module (ECM)
- To access the camshaft position (CMP) sensor connector, see Replacing camshaft position (CMP) sensor Service and Repair.





Select Continue when the fault has been remedied.

Continue - Verification

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Verification




Verification

Verification




- Let the control module carry out a diagnostic of the CVVT system to verify the diagnostic trouble code (DTC). The control module will only carry out a diagnostic for the diagnostic trouble code (DTC) if the engine coolant temperature (ECT) was +50°C or higher the last time the ignition was switched on
- Start the engine and let it run at idle speed
- Read off the engine coolant temperature (ECT). Let the engine idle until the engine coolant temperature (ECT) is at least +50°C.





Select "Continue" when the engine coolant temperature (ECT) is at least +50°C

Continue - Verification, continued

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Verification, continued




- Ignition off
- Start the engine. Let it idle for approximately 1 minute in order to update the control module reference value for the camshaft position.
Read off diagnostic trouble codes (DTCs).
Check that the status of the diagnostic trouble code (DTC) has changed to intermittent. The fault has been remedied if the status of the diagnostic trouble code (DTC) has changed to intermittent.





Is the status of the diagnostic trouble code (DTC) intermittent?

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 - FAULT-TRACING FAILED

No - Attempt New Test

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Attempt New Test - Checking camshaft setting

FAULT-TRACING FAILED - No Fault Found

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