Honda Accord 2008 Manual page 731

07/11/02 09:19:59 61TA0000_110_0412
EVAP System
DTC Troubleshooting (cont'd)
DTC P0457:
Fill Cap Loose or Missing
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Check the fuel fill cap (the cap must say TIGHTEN
TO CLICK). It should turn 1/4 turn after it's tight,
then it clicks.
Is the correct f uel f ill cap installed and properly
tightened?
YES
NO −
2. Check the fuel fill cap seal (A) and the fuel fill pipe
mating surface (B). Verify that the fuel fill cap tether
cord (C) is not caught under the cap.
＊０１
C
A
Is the f uel f ill cap seal missing or damaged, is the
f uel f ill pipe damaged, or is the tether cord caught
under the cap?
YES
then go to step 19.
−
NO
3. Turn the ignition switch to ON (II).
4. Clear the DTC with the HDS.
11-412
EVAP System Leak Detected/Fuel
−
Go to step 2.
Replace or tighten the cap, then go to step 19.
− Replace the fuel fill cap or the fuel fill pipe,
Go to step 3.
5. Do the EVAP FUNCTION TEST in the INSPECTION
MENU with the HDS.
Is the result OK ?
YES − Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at the FTP sensor or the EVAP canister vent shut
valve and the ECM/PCM.
NO − Go to step 6.
6. Turn the ignition switch to LOCK (0).
7. Remove the EVAP canister vent shut valve from the
EVAP canister (see page 11-431).
8. Connect the 2P connector to the EVAP canister vent
shut valve.
9. Turn the ignition switch to ON (II).
10. Select EVAP CVS ON in the INSPECTION MENU
B
with the HDS.
11. Check the EVAP canister vent shut valve (A)
operation.
Does the valve operate?
−
YES Check the routing of the EVAP canister vent
tube, then go to step 18.
NO − Go to step 12.
ＴＡ０８ＡＥＡＫ７２１０００９０４５７ＦＡＡＴ３０
A
＊０２