Faulty Signal/Intermittent Fault

Signal faulty/Intermittent fault

Checking the status




- Start the engine to perform the diagnostic.
Check whether the fault is permanent or intermittent. Read off the diagnostic trouble code (DTC) fault status when the diagnostic status is "Completed".
The fault is permanent if the fault status is "Fault found". The fault is intermittent if the fault status is "No fault detected".






Continue - Checking the components and wiring

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Checking the components and wiring
Check the engine speed (RPM) sensor connector. Check for contact resistance and oxidation.
Check that the engine speed (RPM) sensor is securely installed in the correct position.

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.

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.

Hint: This diagnostic trouble code (DTC) can also cause damage to the flywheel reference hole for the engine speed (RPM) sensor.

Remedy as necessary.

Other information
- Crankshaft position sensor (CKP) Service and Repair
- Checking wiring and terminals Checking Wiring and Terminals






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 the connectors, components etc.
- The engine must be at idle speed to perform the diagnostic.
Read off the diagnostic status and the fault status for the diagnostic trouble code (DTC).
Check that the diagnostic is "Completed" and that the fault status is "No fault detected". The function is faulty if the fault status is "Fault found".





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 status

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