Honda 2004 Odyssey Service Manual page 593

EVAP System
DTC Troubleshooting (cont'd)
11. Turn the ignition switch ON (II).
12. Apply vacuum to the hose.
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.
13. Turn the ignition switch OFF.
14. Disconnect the EVAP bypass solenoid valve 2P
connector.
15. Check for continuity between EVAP bypass
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).
11-284
2WBS (BLU)
A
B
16. Disconnect PCM connector A (32P).
17. Check for continuity between EVAP bypass
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 Repair short in the wire between the EVAP
bypass solenoid valve and the PCM (A3).
NO Substitute a known-good PCM and recheck
(see page 11-5). If the symptom/indication goes
away, replace the original PCM.
EVAP Canister Vent Shut Valve Test
18. Disconnect the vacuum hose from the EVAP
canister vent filter (A), and connect a vacuum pump
to the hose.
A973X-041-XXXXX
2WBS (BLU)
A