Honda 2004 Odyssey Service Manual page 416

DTC P0117 '01 Model:
Low Voltage
1. Turn the ignition switch ON (II).
2. Check the ECT with the scan tool or the HDS.
Is 302°F ( 150°C) or higher ( or H-Limit in the HDS),
or 0 V indicated?
YES Go to step 3.
NO Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the ECT sensor and the PCM.
3. Disconnect the ECT sensor 2P connector.
4. Check the ECT with the scan tool or the HDS.
Is 302°F ( 150°C) or higher ( or H-Limit in the HDS),
or 0 V indicated?
YES Go to step 5.
NO Replace the ECT sensor.
5. Turn the ignition switch OFF.
6. Disconnect PCM connector A (31P).
ECT Sensor Circuit
7. Check the continuity between ECT sensor 2P
connector terminal No. 2 and body ground.
ECT SENSOR 2P CONNECTOR
ECT
(RED/WHT)
Wire side of female terminals
Is there continuity?
YES Repair short in the wire between the PCM
(A13) and the ECT sensor.
NO Substitute a known-good PCM and recheck
(see page 11-5). If normal ECT readings are
indicated, replace the original PCM.
11-107