Honda Accord 2008 Manual page 652

07/11/02 09:17:08 61TA0000_110_0333
14. Monitor the OBD STATUS for DTC P0506 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 13,
go to the indicated DTC's troubleshooting.
−
NO If the screen indicates FAILED, go to step 19. If
the screen indicates EXECUTING, keep idling until
a result comes on. If the screen indicates OUT OF
CONDITION or NOT COMPLETED, go to step 11
and recheck.
15. Remove the intake air duct from the throttle body
(see page 11-388).
16. Check for dirt, carbon, or damage in the throttle
bore.
Is there dirt, carbon, or damage in the throttle
bore?
YES − If there is dirt or carbon, clean the throttle
body (see page 11-385). Also check for damage to
the air cleaner element (see page 11-386), then go
to step 9. If there is damage in the throttle bore, go
to step 8.
NO − Go to step 17.
17. Recheck with different load conditions (turn on the
headlights, blower motor, rear window defogger
and/or A/C, change the gear position, etc.).
18. Monitor the OBD STATUS for DTC P0506 in the
DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES − Intermittent failure, the system is OK at this
time.
−
NO If the screen indicates FAILED, check the A/C
system and/or power steering system, then go to
step 1 and recheck. If the screen indicates
EXECUTING, keep idling until a result comes on. If
the screen indicates OUT OF CONDITION or NOT
COMPLETED, go to step 17.
19. 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).
20. Start the engine. Hold the engine speed at
3,000 rpm without load (A/T in P or N, M/T in
neutral) until the radiator fan comes on, then let it
idle.
21. Check under these DATA LIST parameter
conditions with the HDS:
• ECT SENSOR 1 above 156 °F (70 °C)
• IAT SENSOR above 32 °F (0 °C)
• VSS is 0 mph (0 km/h)
• ST FUEL TRIM between 0.69 1.47
• FSS is CLOSED
22. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P0506 indicated?
YES − Check for poor connections or loose
terminals at the throttle body and the ECM/PCM. If
the ECM/PCM was updated, substitute a known-
good ECM/PCM (see page 11-7), then go to step 20.
If the ECM/PCM was substituted, go to step 1.
NO − Go to step 23.
23. Monitor the OBD STATUS for DTC P0506 in the
DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES − 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 were indicated in step 22, go to the indicated
DTC's troubleshooting.
NO − If the screen indicates FAILED, check for poor
connections or loose terminals at the throttle body
and the ECM/PCM. If the ECM/PCM was updated,
substitute a known-good ECM/PCM (see page 11-7),
then go to step 20. If the ECM/PCM was substituted,
go to step 1. If the screen indicates EXECUTING,
keep idling until a result comes on. If the screen
indicates OUT OF CONDITION or NOT COMPLETED,
go to step 20.
−
11-333