Honda 2004 Odyssey Service Manual page 522

8. Shift to Park, then turn the ignition switch to the
START (III) position, and measure voltage between
body ground and PGM-FI main relay 7P connector
terminal No. 2.
PGM-FI MAIN RELAY 7P CONNECTOR
Wire side of female terminals
Is there battery voltage?
YES Go to step 10.
NO Go to step 9.
9. Check for a blown No. 13 STARTER SIGNAL (7.5A)
fuse in the driver's under-dash fuse/relay box.
Is the f use blown?
YES Repair short in the wire between the PGM-FI
main relay and the No. 13 STARTER SIGNAL (7.5A)
fuse.
NO Repair open in the wire between the PGM-FI
main relay and the No. 13 STARTER SIGNAL
(7.5A).
10. Turn the ignition switch OFF.
11. Disconnect PCM connector E (31P).
STSW (BLU/ORN)
12. Check for continuity between PGM-FI main relay 7P
connector terminal No. 1 and the PCM connector
terminal E1.
PGM-FI MAIN RELAY 7P CONNECTOR
IMOFPR
(GRN/YEL)
PCM CONNECTOR E (31P)
IMOFPR
(GRN/YEL)
Wire side of female terminals
Is there continuity?
YES Go to step 13.
NO Repair open in the wire between the PGM-FI
main relay and the PCM (E1).
13. Reconnect PCM connector E (31P) and the PGM-FI
main relay 7P connector.
14. Turn the ignition switch ON (II).
15. Measure voltage between PCM connector
terminals A3 and A5, and between A2 and A5.
PCM CONNECTOR A (31P)
IGP1
(YEL/BLK)
IGP2
(YEL/BLK)
Wire side of female terminals
Is there battery voltage?
YES Go to step 16.
NO Check for an open in the wires between the
PGM-FI main relay and the PCM (A2, A3). If the
wires are OK, replace the PGM-FI main relay.
PG1 (BLK)
(cont'd)
11-213