Honda 2004 Odyssey Service Manual page 476

6. Turn the ignition switch OFF and then ON (II) again.
Is the low oil pressure indicator on?
YES Go to step 7.
NO Check for these problems:
• A blown No. 9 BACK UP LIGHT, INSTRUMENT
LIGHT (7.5A) fuse in the driver's under-dash
fuse/relay box.
• A short or open in the wire between No. 9 BACK
UP LIGHT, INSTRUMENT LIGHT (7.5A) fuse and
the gauge assembly.
7. Try to start the engine.
Does the engine start?
YES Go to step 8.
NO Go to step 11.
8. Turn the ignition switch OFF .
9. Connect PCM connector terminal A18 to body
ground with a jumper wire.
PCM CONNECTOR A (32P)
JUMPER WIRE
Wire side of female terminals
10. Turn the ignition switch ON (II).
Is the MIL on?
YES Substitute a known-good PCM and recheck
(see page 11-5). If the symptom/indication goes
away, replace the original PCM.
NO Check for an open in the wires between the
PCM (A18) and the gauge assembly. Also check for
a blown MIL bulb.
MIL (GRN/ORN)
11. Turn the ignition switch OFF.
12. Inspect the ACGS (15A) fuse in the under-hood
fuse/relay box.
Is the f use OK ?
YES Go to step 13.
NO Check for these problems:
• A short in the wire between the ACGS (15A) fuse
and the PGM-FI main relay.
• A short in the wire between the PGM-FI main
relay and the PCM, injectors, or IAC valve.
13. Inspect the No. 1 FUEL PUMP (15A) fuse in the
under-dash fuse/relay box.
Is the f use OK ?
YES Go to step 14.
NO Check for these problems:
• A short in the wire between the No. 1 FUEL
PUMP (15A) fuse and the PGM-FI main relay.
• A short in the wire between the PGM-FI main
relay and the fuel pump.
• A faulty PGM-FI main relay or a faulty fuel pump.
14. Disconnect PCM connector C (31P).
15. Check for continuity between body ground and
PCM connector terminals C19 and C28 individually.
PCM CONNECTOR C (31P)
VCC2
(YEL/BLU)
Wire side of female terminals
Is there continuity?
YES Go to step 16.
NO Go to step 17.
VCC1
(YEL/RED)
(cont'd)
11-167