Honda 2004 Odyssey Service Manual page 590

EVAP Canister Vent Shut Valve Test
22. Disconnect the vacuum hose from the EVAP
canister filter (A), and connect a vacuum pump to
the hose.
A973X-041-XXXXX
23. Turn the ignition switch ON (II).
24. Apply vacuum to the hose with 5 strokes of the
pump.
Does the valve hold vacuum?
YES Go to step 25.
NO The EVAP canister vent shut valve is OK. Go
to step 30.
25. Turn the ignition switch OFF.
26. Disconnect the EVAP canister vent valve 2P
connector.
27. Check for continuity between EVAP canister vent
shut valve 2P connector terminal No. 2 and body
ground.
EVAP CANISTER VENT
SHUT VALVE 2P CONNECTOR
VSV
(LT GRN/WHT)
Wire side of female terminals
A
Is there continuity?
YES Go to step 28.
NO Replace the EVAP canister vent shut valve (A)
and O-ring (B).
28. Disconnect PCM connector A (32P).
29. Check for continuity between EVAP canister vent
shut valve 2P connector terminal No. 2 and body
ground.
EVAP CANISTER VENT
SHUT VALVE 2P CONNECTOR
VSV
(LT GRN/WHT)
Wire side of female terminals
Is there continuity?
YES Repair short in the wire between the EVAP
canister vent shut valve and the PCM (A4).
NO Substitute a known-good PCM and recheck
(see page 11-5). If the symptom/indication goes
away, replace the original PCM.
B
A
(cont'd)
11-281