Honda Accord 2008 Manual page 738

07/11/02 09:20:01 61TA0000_110_0419
DTC P0498: EVAP Canister Vent Shut Valve
Circuit Low Voltage
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P0498 indicated?
−
YES Go to step 6.
NO − Go to step 4.
4. Select EVAP CVS ON in the INSPECTION MENU
with the HDS.
5. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P0498 indicated?
−
YES Go to step 6.
NO − Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at the EVAP canister vent shut valve and the
ECM/PCM.
6. Turn the ignition switch to LOCK (0).
7. Disconnect the EVAP canister vent shut valve 2P
connector.
8. Turn the ignition switch to ON (II).
9. Measure voltage between EVAP canister vent shut
valve 2P connector terminal No. 2 and body ground.
EVAP CANISTER VENT SHUT VALVE 2P CONNECTOR
＋
Wire side of female terminals
Is there battery voltage?
YES − Go to step 10.
−
NO Repair open in the wire between the EVAP
canister vent shut valve and the PGM-FI subrelay,
then go to step 18.
10. Turn the ignition switch to LOCK (0).
11. At the valve side, measure resistance between
EVAP canister vent shut valve 2P connector
terminals No. 1 and No. 2.
EVAP CANISTER VENT SHUT VALVE 2P CONNECTOR
Terminal side of male terminals
Is there about 25 30 − at room temperature?
YES − Go to step 12.
−
NO Go to step 17.
ＴＡ０８ＡＥＡＫ７２１０００９０４９８ＦＡＡＴ３０
B (WHT)
(cont'd)
11-419
＊０１
＊０２