Honda 2004 Odyssey Service Manual page 559

EGR System
DTC Troubleshooting (cont'd)
25. Turn the ignition switch OFF.
26. Disconnect PCM connector B (25P).
27. Check for continuity between PCM connector
terminal B7 and body ground.
PCM CONNECTOR B (25P)
Wire side of female terminals
Is there continuity?
YES Repair short in the wire between the EGR
valve and the PCM (B7).
NO Go to step 28.
28. Connect EGR valve 6P connector terminal No. 4 to
body ground with a jumper wire.
EGR VALVE 6P CONNECTOR
EGR (PNK)
EGR
(BLU/RED)*
Wire side of female terminals
11-250
EGR (PNK)
EGR (BLU/RED)*
JUMPER WIRE
29. Check for continuity between PCM connector
terminal B7 and body ground.
PCM CONNECTOR B (25P)
EGR (BLU/RED)*
Wire side of female terminals
Is there continuity?
YES Go to step 30.
NO Repair open in the wire between the EGR
valve and the PCM (B7).
30. Disconnect the jumper wire from the EGR valve 6P
connector.
31. Check for continuity between EGR valve 6P
connector terminal No. 6 and body ground.
EGR VALVE 6P CONNECTOR
Wire side of female terminals
Is there continuity?
YES Substitute a known-good PCM and recheck
(see page 11-5). If the symptom/indication goes
away, replace the original PCM.
NO Repair open in the wire between the EGR
valve and G101.
EGR (PNK)
GND (BLK)