DTC P0117: ECT Sensor Circuit Low Voltage
- Turn the ignition switch ON (II).
- 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. |
- Disconnect the ECT sensor 2P connector.
- 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. |
- Turn the ignition switch OFF.
- Disconnect ECM/PCM connector B (24P).
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- 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. |
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