Honda ACCORD HYBRID 2005 Service Manual page 393

19. Turn the ignition switch OFF.
20. Drain the coolant (see page 10-6).
2 1 . Remove ECT sensor 1 (see page 11-215) and ECT
sensor 2 (see page 11-218).
22. A l l o w both sensors to cool to 77 °F (25 °C).
23. Note the outside temperature.
24. Connect ECT sensor 1 to its 2P connector and ECT
sensor 2 to its 2P connector, but do not install t h e m
onto the engine.
25. Note the value of ECT SENSOR 1 and ECT SENSOR
2 quickly in the DATA LIST w i t h the HDS.
26. Compare the value of ECT SENSOR 1 and the
outside temperature, and the value of ECT SENSOR
2 and the outside temperature individually.
Does either sensor differ more than 5.4 °F (3 °C)
from the outside temperature?
YES—Replace the sensor that differed more than
5.4 °F (3 °C) f r o m the outside temperature, then go
t o step 27.
NO—Intermittent failure, system is OK at this t i m e .
Check for poor connections or loose terminals at
ECT sensor 1, ECT sensor 2, and the PCM. •
27. Turn the ignition switch ON (II).
28. Reset the PCM w i t h the HDS.
29. Do the PCM idle learn procedure (see page 11-340).
30. Check for T e m p o r a r y DTCs or DTCs w i t h the HDS.
Are any Temporary DTCs or DTCs Indicated?
YES—If DTC P2183 is indicated, check for poor
connections or loose terminals at ECT sensor 1,
ECT sensor 2, and the PCM, then go to step 1. If any
other T e m p o r a r y DTCs or DTCs are indicated, go to
the indicated D T C s t r o u b l e s h o o t i n g .
NO—Troubleshooting is complete. •
11-153