Faulty Signal. Permanent Fault

Faulty signal. Permanent fault

Checking wiring and connectors




- Ignition off.
Check the engine coolant temperature (ECT) sensor connector for contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check the engine coolant temperature (ECT) sensor and engine control module (ECM) terminals visually according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.
Try a new engine coolant temperature (ECT) sensor if no fault is found during the above fault-tracing.

Other information:
- To connect the breakout box, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000
- For information about signals, see Signal specification Signal Specification
- To replace the engine coolant temperature (ECT) sensor, see Replacing the engine coolant temperature (ECT) sensor Service and Repair.













Continue - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
In case of this defect, troubleshooting is not followed by verification.
The information can be displayed again or the fault-tracing for this fault can be interrupted.

Do you want to view the information again?

Yes - Attempt New Test

No - FAULT FOUND

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Attempt New Test - Checking wiring and connectors

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