Honda 2004 Odyssey Service Manual page 604

25. Turn the ignition switch ON (II).
26. Measure voltage between EVAP canister vent shut
valve 2P connector terminal No. 1 and body ground.
EVAP CANISTER VENT
SHUT VALVE 2P CONNECTOR
IG1 (BLK/YEL)
Wire side of female terminals
Is there battery voltage?
YES Replace the EVAP canister vent shut valve
(A) and O-ring (B).
NO Repair open in the wire between the EVAP
canister vent shut valve and No. 6 ECU (PCM)
CRUISE CONTROL (15A) fuse.
Canister System Leak Test
27. Turn the ignition switch OFF.
28. Connect 2 three-way T-fittings (A) into the hose
from the EVAP canister to the EVAP two way valve.
Connect the FTP sensor to one of the T-fittings and
the vacuum pump to the other.
B
29. Remove the vent hose from the EVAP canister vent
shut valve (A) and cap the port (B) to seal the fresh
air vent of the EVAP canister.
A
30. Turn the ignition switch ON (II).
31. While monitoring FTP sensor voltage with the HDS,
or while measuring voltage between PCM
connector terminals A29 and C18, slowly pump the
vacuum pump every 1 2 seconds.
32. Continue to pump vacuum until the voltage drops
to about 1.5 V. Make sure that the engine coolant
temperature is still above 95°F (35°C) and your
vacuum pump has no leak.
A
B
A
A
A973X-041-XXXXX
A973X-041-
XXXXX
(cont'd)
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