Honda 2004 Odyssey Service Manual page 2407

SRS
Symptom Troubleshooting (cont'd)
19. Disconnect the SRS main harness 18P connector
(A) from the SRS unit.
A
20. Reconnect the battery negative cable.
21. Connect a voltmeter between the No. 3 terminal of
SRS main harness 18P connector and body ground.
Turn the ignition switch ON (II), and measure the
voltage. There should be battery voltage.
SRS MAIN HARNESS 18P CONNECTOR
Wire side of female terminals
Is there battery voltage.?
YES Go to step 25.
NO Go to step 22.
23-342
22. Turn the ignition switch OFF.
23. Disconnect the SRS main harness 2P connector (A)
from the under-dash fuse/relay box.
A
24. Check resistance between the No. 3 terminal of
SRS main harness 18P connector and the No. 2
terminal of the SRS main harness 2P connector.
There should be 0 1.0
SRS MAIN HARNESS 2P CONNECTOR
Wire side of
female terminals
SRS MAIN HARNESS
18P CONNECTOR
Wire side of female terminals
Is the resistance as specif ied?
YES Open in the driver's under-dash fuse/relay
box or poor contact at the SRS main harness 2P
connector; check the connection. If the connection
is OK, replace the driver's under-dash fuse/relay
box.
NO Open in the SRS main harness; replace the
SRS main harness.
25. Turn the ignition switch OFF.
.