Faulty Signal

Faulty signal

Checking the connector
Check the connector and terminals on the engine coolant temperature (ECT) sensor. Check for contact resistance. Check for oxidation.
Remedy as necessary.

Other information
- Engine coolant temperature sensor (ECT) 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.

Note! Some diagnostics for the engine coolant temperature (ECT) sensor are only performed under certain specific temperature conditions. This verification will not necessarily cover all types of detectable fault.








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on.
Read off the signal from the engine coolant temperature (ECT) sensor.
Check that the signal is within its permitted range.









Is the signal within its permitted range?

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 connector

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