Honda 2004 Odyssey Service Manual page 597

EVAP System
DTC Troubleshooting (cont'd)
8. Turn the ignition switch ON (II).
9. Measure voltage between EVAP canister purge
valve 2P connector terminal No. 2 and body ground.
EVAP CANISTER PURGE
VALVE 2P CONNECTOR
IG1 (BLK/YEL)
Wire side of female terminals
Is there battery voltage?
YES Replace the EVAP canister purge valve.
NO Repair open in the wire between the EVAP
canister purge valve and No. 6 ECU (PCM) CRUISE
CONTROL (15A) fuse.
EVAP Bypass Solenoid Valve Test
10. Disconnect the vacuum hose from the EVAP two
way valve (A), and connect a vacuum pump to the
hose.
11-288
11. Turn the ignition switch ON (II).
12. Apply vacuum to the hose.
13. Turn the ignition switch OFF.
14. Disconnect the EVAP bypass solenoid valve 2P
15. Check for continuity between EVAP bypass
A973X-041-
XXXXX
A
Does the valve hold vacuum?
YES The EVAP bypass solenoid valve/EVAP two
way valve is OK. Go to step 18.
NO Go to step 13.
connector.
solenoid valve 2P connector terminal No. 2 and
body ground.
EVAP BYPASS SOLENOID
VALVE 2P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Go to step 16.
NO Replace the EVAP bypass solenoid valve (A)
and O-rings (B).
2WBS (BLU)
A
B