Signal Too Low. Intermittent Fault

Signal too low. Intermittent fault

Checking wiring
Check the signal cable between engine control module (ECM) terminal #47 and engine coolant temperature (ECT) sensor terminal #1. Check for an intermittent short-circuit to ground according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults. Remedy if necessary.
Try a new engine coolant temperature (ECT) sensor according to Replacing the engine coolant temperature (ECT) sensor Service and Repair.

Other information
- To connect the breakout box, see Connecting the breakout box. EMS 2000 Connecting The Breakout Box. EMS 2000.













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

FAULT FOUND - DONE

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