Honda 2004 Odyssey Service Manual page 579

EVAP System
DTC Troubleshooting (cont'd)
8. Check for continuity between EVAP purge control
solenoid valve 2P connector terminal No. 2 and
body ground.
EVAP PURGE CONTROL SOLENOID
VALVE 2P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Go to step 9.
NO Replace the EVAP purge control solenoid
valve.
9. Disconnect PCM connector A (32P).
10. Check for continuity between EVAP purge control
solenoid valve 2P connector terminal No. 2 and
body ground.
EVAP PURGE CONTROL SOLENOID
VALVE 2P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Repair short in the wire between the EVAP
purge control solenoid valve and the PCM (A6).
NO Substitute a known-good PCM and recheck
(see page 11-5). If the symptom/indication goes
away, replace the original PCM.
11-270
PCS (RED/YEL)
PCS (RED/YEL)
EVAP Bypass Solenoid Valve Test
11. Disconnect both vacuum hoses from the EVAP two
way valve (A), and connect a vacuum pump to the
canister port on the two way valve.
12. Turn the bypass solenoid valve on with the HDS, or
connect PCM connector terminal A3 to body
ground with a jumper wire.
PCM CONNECTOR A (32P)
2WBS (BLU)
JUMPER WIRE
Wire side of female terminals
13. Turn the ignition switch ON (II).
14. Apply vacuum to the hose.
Does the valve hold vacuum?
YES Go to step 15.
NO Go to step 20.
15. Turn the ignition switch OFF.
16. Disconnect the EVAP bypass solenoid valve 2P
connector.
A973X-041-
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A