DTC P0117: ECT Sensor Circuit Low Voltage
YES - Go to step 3.
NO - Intermittent failure, system is OK at this time. Check for poor connections or loose wires at the ECT sensor and at the ECM.
YES - Go to step 5.
NO - Replace the ECT sensor.
ECT SENSOR 2P CONNECTOR
Wire side of female terminals
Is there continuity?
YES - Repair short in the wire between the ECM (B8) and the ECT sensor.
NO - Substitute a known-good ECM and recheck (see page 11-5). If the symptom/indication goes away, replace the original ECM.