Honda 2004 Odyssey Service Manual page 2160

15. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
16. Disconnect the driver's airbag connector (A), front
passenger's airbag connector (B), and driver's seat
belt tensioner connector (C).
A
B
17. Disconnect the SRS main harness 18P connector
(A) from the SRS unit, and disconnect the special
tool from the SRS main harness 2P connector.
A
18. Reconnect the battery negative cable.
19. Turn the ignition switch ON (II).
20. Check for voltage between the No. 5 terminal of the
SRS main harness 18P connector and body ground,
and between the No. 12 terminal and body ground.
There should be 0.5 V or less.
C
Is the voltage as specif ied?
YES
main harness 18P connector at the SRS unit. Check
the connection; if the connection is OK, replace the
SRS unit (see page 23-382).
NO
replace the SRS main harness.
SRS MAIN HARNESS 18P CONNECTOR
Wire side of female terminals
Faulty SRS unit or poor contact at the SRS
Short to power in the SRS main harness;
23-95