Subaru Legacy 2004 Service Manual page 3533

Step
4 CHECK AIRBAG MAIN HARNESS (DRIV-
ER'S AIRBAG HARNESS).
Measure the resistance between connector
(2U) terminals in the test harness U.
Connector & terminal
(2U) No. 2 — (2U) No. 4:
(2U) No. 4 — Chassis ground:
(2U) No. 2 — Chassis ground:
(2U) No. 8 — (2U) No. 12:
(2U) No. 8 — Chassis ground:
(2U) No. 12 — Chassis ground:
Diagnostic Chart with Trouble Code
Is the resistance more than 1
M"?
AB(diag)-43
AIRBAG SYSTEM (DIAGNOSTICS)
Check Yes
Replace the airbag
control module.
<Ref. to AB-20,
Airbag Control
Module.>
No
Replace the airbag
main harness with
body harness.