Subaru 2003 LEGACY Quick Reference Index page 41

DIAGNOSTIC CHART WITH DIAGNOSTIC TROUBLE CODE (DTC)
Step
1 CHECK PASSENGER'S AIRBAG MODULE.
1) Turn the ignition switch OFF, disconnect
the battery ground cable, and wait more
than 20 seconds.
2) Pull out the two stopper pins and lower the
glove box.
3) Disconnect the connector (AB10) from
(AB9)
4) Connect the connector (1K) in test harness
K to connector (AB9).
5) Connect two airbag resistors to connectors
(3K) and (4K) in test harness K.
6) Connect the battery ground cable and turn
the ignition switch ON.
Does the airbag warning light operate prop-
erly?
2 CHECK AIRBAG MAIN HARNESS.
1) Turn the ignition switch OFF, disconnect
the battery ground cable, and wait more
than 20 seconds.
2) Disconnect two airbag resistors from the
connectors (3K) and (4K) in test harness K.
3) Remove the lower cover and disconnect
the connector (AB3) from (AB8).
4) Disconnect the connector (AB6) from the
airbag control module, and connect the
connector (1I) in test harness I2. <Ref. to
AB-17, Airbag Control Module.>
5) Measure the voltage between connector
(2I) in test harness I2 and the chassis
ground.
Connector & terminal
(2I) No. 2 — Chassis ground:
(2I) No. 5 — Chassis ground:
Is the measured value less than the speci-
fied value?
Value
Operates properly.
1 V
AB-39
AIRBAG SYSTEM (DIAGNOSTICS)
Yes
Replace the pas- Go to step 2.
senger airbag
module. <Ref. to
AB-13, Passen-
ger's Airbag Mod-
ule.>
Replace the airbag Replace airbag
control module. main harness.
<Ref. to AB-17, <Ref. to AB-15,
Airbag Control Main Harness.>
Module.>
No