Honda Accord 2008 Manual page 571

07/11/02 09:12:43 61TA0000_110_0252
Electronic Throttle Control System
DTC Troubleshooting (cont'd)
21. Check for continuity between ETCS control relay 4P
connector terminal No. 1 and body ground.
＊０８
Is there continuity?
YES
(see page 22-83), then go to step 23.
NO −
22. Turn the ignition switch to LOCK (0).
23. Reconnect all connectors.
24. Turn the ignition switch to ON (II).
25. Reset the ECM/PCM with the HDS.
26. Do the ECM/PCM idle learn procedure (see page
11-343).
27. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P1659 indicated?
YES
terminals at the ETCS control relay and the ECM/
PCM, then go to step 1.
−
NO
Temporary DTCs or DTCs are indicated, go to the
indicated DTC's troubleshooting.
11-252
ETCS CONTROL RELAY 4P CONNECTOR
＋ B
Terminal side of female terminals
− Replace the under-hood fuse/relay box
Go to step 28.
−
Check for poor connections or loose
Troubleshooting is complete. If any other
28. Reconnect all connectors.
29. Update the ECM/PCM if it does not have the latest
software (see page 11-231), or substitute a known-
good ECM/PCM (see page 11-7).
30. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P1659 indicated?
YES − Check for poor connections or loose
terminals at the ETCS control relay and the ECM/
PCM. If the ECM/PCM was updated, substitute a
known-good ECM/PCM (see page 11-7), then
recheck. If the ECM/PCM was substituted, go to
step 1.
NO − If the ECM/PCM was updated, troubleshooting
is complete. If the ECM/PCM was substituted,
replace the original ECM/PCM (see page 11-232). If
any other Temporary DTCs or DTCs are indicated,
go to the indicated DTC's troubleshooting.