Honda 2004 Odyssey Service Manual page 516

10. Turn the ignition switch OFF.
11. Disconnect the PCM connector E (20P).
12. Turn the ignition switch ON (II).
13. Measure voltage between gauge assembly 16P
connector terminal No. 11 and body ground.
GAUGE ASSEMBLY 16P CONNECTOR
FSL05
(YEL/BLU)
Wire side of female terminals
Is there about 5 V ?
YES Substitute a known-good PCM and recheck
(see page 11-5). If the symptom-indication goes
away, replace the original PCM.
NO Go to step 14.
14. Turn the ignition switch OFF.
15. Disconnect the gauge assembly connector B (22P).
16. Check for continuity between PCM connector
terminal E15 and body ground.
PCM CONNECTOR E (20P)
Wire side of female terminals
Is there about 5 V ?
YES Repair short in the wire between gauge
assembly and PCM.
NO Replace the gauge assembly
(see page 22-100).
FLVL
(YEL/BLU)
11-207