Honda Accord 2008 Manual page 475

07/11/02 09:05:56 61TA0000_110_0156
PGM-FI System
DTC Troubleshooting (cont'd)
19. Turn the ignition switch to LOCK (0).
20. Drain the coolant (see page 10-6).
21. Remove ECT sensor 1 (see page 11-228) and ECT
sensor 2 (see page 11-228).
22. Allow the sensors to cool to ambient temperature.
23. Note the ambient temperature.
24. Connect ECT sensor 1 and ECT sensor 2 to their 2P
connectors, but do not install them.
25. Note the value of ECT SENSOR 1 and ECT SENSOR
2 quickly in the DATA LIST with the HDS.
26. Compare the value of ECT SENSOR 1 and the
ambient temperature, and the value of ECT
SENSOR 2 and the ambient temperature
individually.
Does one of the sensors dif f er more than 5.4 °F
( 3 °C) f rom the ambient temperature?
YES − Replace the sensor that differed more than
5.4 °F (3 °C) from the ambient temperature, then go
to step 27.
NO − Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at ECT sensor 1, ECT sensor 2, and the ECM/PCM.
11-156
27. Turn the ignition switch to ON (II).
28. Reset the ECM/PCM with the HDS.
29. Do the ECM/PCM idle learn procedure (see page
11-343).
30. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P1116 indicated?
YES − Check for poor connections or loose
terminals at ECT sensor 1, ECT sensor 2, and the
ECM/PCM, then go to step 1.
−
NO Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC's troubleshooting.