Signal Missing

Signal missing

Checking the component and wiring
Check the engine speed (RPM) sensor connector. Check for intermittent contact resistance and oxidation.

Hint: The engine speed (RPM) sensor and its wiring are sensitive to interference from surrounding cables, the starter motor cable for example, or similar high amperage cables.

Interference can cause difficulty in starting the engine, the engine does not start at all, intermittent operation of the tachometer, etc.
Check whether any cable with high power consumption is incorrectly installed, i.e. it is too close to the engine speed (RPM) sensor or its wiring.
Remedy as necessary.

Other information
- Crankshaft position sensor (CKP) 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.




- Start the engine. Allow the engine to idle. There is a fault if the engine does not start
- Read off the diagnostic status and the fault status for the diagnostic trouble code (DTC).
Check that the fault status is "No fault detected" when the diagnostic status is "Completed". If the fault status is "Fault found" when the diagnostic status is "Completed" there is a fault.





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 the component and wiring

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