## PGM-FI System

#### DTC Troubleshooting (cont'd)

11-363

DTC P0117: ECT Sensor Circuit Low Voltage

1. Turn the ignition switch ON (II).
2. Check the ECT with the scan tool.

Is 150°C (302°F) or higher (or H-Limit in Honda mode of PGM Tester) or 0 V indicated?

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/PCM.

3. Disconnect the ECT sensor 2P connector.
4. Check the ECT with the scan tool.

Is 150°C (302°F) or higher (or H-Limit in Honda mode of PGM Tester) or 0 V indicated?

YES | - Go to step 5.
NO | - Replace the ECT sensor.

5. Turn the ignition switch OFF.
6. Disconnect ECM/PCM connector B (24P).

7. Check for continuity between the ECT sensor 2P connector terminal No. 2 and body ground.

ECT SENSOR 2P CONNECTOR

Wire side of female terminals

Is there continuity?

YES | - Repair short in the wire between the ECM/PCM (B8) and the ECT sensor.
NO | - Substitute a known-good ECM/PCM and recheck (see page 11-313). If symptom/indication goes away, replace the original ECM/PCM.