Honda 2004 Odyssey Service Manual page 449

PGM-FI System
DTC Troubleshooting (cont'd)
8. Determine which cylinder had the misfire.
Does the misf ire occur in the cylinder where the
ignition coil was exchanged?
YES Replace the faulty ignition coil.
NO Go to step 9.
9. Turn the ignition switch OFF.
10. Exchange the spark plug from the problem cylinder
with one from another cylinder.
11. Test-drive the vehicle several times in the range of
the freeze data or under various conditions if there
was no freeze data.
12. Check for a DTC or a Temporary DTC with the scan
tool or the HDS.
Is DT C P0301, P0302, P0303, P0304, P0305, or
P0306, or T emporary DT C P1399 indicated?
YES Go to step 13.
NO Intermittent misfire due to spark plug fouling,
etc. (no misfire at this time).
13. Determine which cylinder had the misfire.
Does the misf ire occur in the cylinder where the
spark plug was exchanged?
YES Replace the faulty spark plug.
NO Go to step 14.
14. Turn the ignition switch OFF.
15. Exchange the injector from the problem cylinder
with one from another cylinder.
16. Let the engine idle for 2 minutes.
17. Test-drive the vehicle several times in the range of
the freeze data or under various conditions if there
was no freeze data.
11-140
18. Check for a DTC or a Temporary DTC with the scan
tool or the HDS.
Is DT C P0301, P0302, P0303, P0304, P0305, or
P0306, or T emporary DT C P1399 indicated?
YES Go to step 19.
NO Intermittent misfire due to bad contact in the
injector connector (no misfire at this time). Check
for poor connections or loose terminals at the
injector.
19. Determine which cylinder had the misfire.
Does the misf ire occur in the cylinder where the
injector was exchanged?
YES Replace the faulty injector
(see page 11-177).
NO Go to step 20.
20. Turn the ignition switch OFF.
21. Disconnect the ignition coil 3P connector from the
problem cylinder.
22. Turn the ignition switch ON (II).
23. Measure voltage between ignition coil 3P
connector terminal No. 3 and body ground.
IGNITION COIL 3P CONNECTOR
Wire side of
female terminals
Is there battery voltage?
YES Go to step 24.
NO Repair open or short in the wire between the
No 7 COIL (15A) fuse and the ignition coil.
IG
(BLK/YEL)