Intermittent Fault, Signal Too Low

Intermittent fault, signal too low

Checking cables
Check signal cable between engine control module (ECM) terminal 13 and engine coolant temperature (ECT) sensor terminal 1 for an intermittent short-circuit to ground and remedy according to Checking wiring and terminals. Intermittent faults Checking Wiring And Terminals. Intermittent Faults.
Try a new engine coolant temperature (ECT) sensor according to Replacing the engine coolant temperature (ECT) sensor Replacing The Engine Coolant Temperature (ECT) Sensor.

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









Continue - FAULT FOUND

-------------------------------------------------