Honda 2004 Odyssey Service Manual page 2404

19. Disconnect the SRS main harness 18P connector
(A) from the SRS unit.
A
20. Connect a voltmeter between the No. 6 terminal
( ) of the SRS main harness 18P connector and
body ground.
SRS MAIN HARNESS 18P CONNECTOR
Wire side of female terminals
21. Turn the ignition switch ON (II), and measure the
voltage. There should be 0.5 V or less.
Is voltage as specif ied?
YES Faulty SRS unit; replace the SRS unit (see
page 23-382).
NO Short to power in the BLU wire of the SRS
main harness; replace the harness.
23-339