Honda 2004 Odyssey Service Manual page 599

EVAP System
DTC Troubleshooting (cont'd)
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.
11-290
Canister System Leak Test
27. Turn the ignition switch OFF.
28. Connect 2 three-way T-fittings (A) into the hose
B
29. Remove the vent hose from the EVAP canister vent
A
30. Turn the ignition switch ON (II).
31. While monitoring FTP sensor voltage with the HDS,
32. Continue to pump vacuum until the voltage drops
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.
A
shut valve (A) and cap the port (B) to seal the fresh
air vent of the EVAP canister.
B
A
or measuring voltage between PCM connector
terminals E7 and E28, slowly pump the vacuum
pump every 1 2 seconds.
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
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A973X-041-
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