Honda ACCORD HYBRID 2005 Service Manual page 382

PGM-FI System
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
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 the 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
into 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 above 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
to 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 P1116 is indicated, check for poor
connections or loose t e r m i n a l s 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. •
11-142