Honda Accord 2008 Manual page 471

07/11/02 09:05:55 61TA0000_110_0152
PGM-FI System
DTC Troubleshooting (cont'd)
15. Check for continuity between ECM connector
terminal B38 and body ground.
＊０６
Is there continuity?
YES
−
NO
(B38) and the output shaft (countershaft) speed
sensor, then go to step 18.
16. Turn the ignition switch to LOCK (0).
17. Replace the output shaft (countershaft) speed
sensor (see page 11-229).
18. Reconnect all connectors.
19. Turn the ignition switch to ON (II).
20. Reset the ECM with the HDS.
21. Do the ECM idle learn procedure (see page 11-343).
22. Test-drive under these conditions:
• Engine coolant temperature (ECT SENSOR 1)
above 176 °F (80 °C)
• Transmission in 5th
• Engine speed between 2,000 3,000 rpm
• Drive for several minutes, then decelerate (with
the throttle fully closed) for 8 seconds
11-152
ECM CONNECTOR B (49P)
NC (BLK/WHT)
Terminal side of female terminals
− Go to step 25.
Repair open in the wire between the ECM
−
23. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P07 20 indicated?
YES − Check for poor connections or loose
terminals at the output shaft (countershaft) speed
sensor and the ECM, then go to step 1.
−
NO Go to step 24.
24. Monitor the OBD STATUS for DTC P0720 in the
DTCs MENU with the HDS.
Does the screen indicate PASSED?
−
YES Troubleshooting is complete. If any other
Temporary DTCs or DTCs were indicated in step 23,
go to the indicated DTC's troubleshooting.
NO − If the screen indicates FAILED, check for poor
connections or loose terminals at the output shaft
(countershaft) speed sensor and the ECM, then go
to step 1. If the screen indicates NOT COMPLETED,
go to step 22.
25. Reconnect all connectors.
26. Update the ECM if it does not have the latest
software (see page 11-231), or substitute a known-
good ECM (see page 11-7).
27. Test-drive under these conditions:
• Engine coolant temperature (ECT SENSOR 1)
above 176 °F (80 °C)
• Transmission in 5th
• Engine speed between 2,000 3,000 rpm
• Drive for several minutes, then decelerate (with
the throttle fully closed) for 8 seconds
−