Faulty Signal. Intermittent Fault

Faulty signal. Intermittent fault

Checking wiring and connectors




- Ignition off.
Check the engine coolant temperature (ECT) sensor and engine control module (ECM) connectors for intermittent contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check the engine coolant temperature (ECT) sensor and engine control module (ECM) terminals visually according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Remedy as necessary.

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
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

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

FAULT FOUND - DONE

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