Honda 2004 Odyssey Service Manual page 558

15. Measure resistance between EGR valve 6P
connector terminals No. 1 and No. 3.
EGR VALVE 6P CONNECTOR
EGRP
Terminal side of male terminals
Is there 100 k or more?
YES Replace the EGR valve.
NO Go to step 16.
16. Reconnect the EGR valve connector.
17. Turn the ignition switch ON (II).
18. Measure voltage between PCM connector
terminals C6 and C18.
PCM CONNECTORS C (31P)
EGRP
(WHT/BLK)
Wire side of female terminals
Is there about 1.2 V ?
YES Go to step 21.
NO Go to step 19.
19. Turn the ignition switch OFF.
VCC2
SG2
(GRN/BLK)
SG2
(GRN/YEL)*
20. Check for continuity between PCM connector
terminal C6 and body ground.
PCM CONNECTOR C (31P)
Wire side of female terminals
Is there continuity?
YES Repair short in the wire between the EGR
valve and PCM (C6).
NO Repair open in the wire between the EGR
valve and PCM (C6).
21. Turn the ignition switch OFF.
22. Disconnect the EGR valve 6P connector.
23. Connect the battery positive terminal to EGR valve
6P connector terminal No. 4 with a jumper wire.
EGR VALVE 6P CONNECTOR
EGR
Terminal side of male terminals
24. Start the engine and let it idle, then connect the
battery negative terminal to the EGR valve 6P
connector terminal No. 6 with a jumper wire.
Does the engine stall or run rough?
YES Go to step 25.
NO Replace the EGR valve.
EGRP (WHT/BLK)
GND
(cont'd)
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