Subaru Legacy 2002 Service Manual page 3274

DIAGNOSTIC CHART WITH DIAGNOSTIC TROUBLE CODE (DTC)
G: DTC 23
S002811I92
DIAGNOSIS:
(AB6), (AB17) and (AB18) are not connected properly to airbag control module.
CAUTION:
Before diagnosing the airbag system, be sure to turn the ignition switch OFF, disconnect the ground
cable from the battery, and wait more than 20 seconds before starting to work.
No.
1 CHECK POOR CONTACT IN CONNECTORS
(AB6), (AB17) and (AB18).
1) Turn the ignition switch OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connectors (AB6), (AB17)
and (AB18) from the airbag control module.
<Ref. to AB-17, Airbag Control Module.>
2 CHECK POOR CONTACT IN CONNECTORS
(AB6), (AB17) and (AB18).
1) Ensure that connectors are firmly recon-
nected.
2) Connect the battery ground cable and turn
the ignition switch ON.
Step
Check if rust or damage
appear on the harness con-
nector and the control mod-
ule connector.
Does the air bag warning
light operate properly?
AB-45
Airbag System (Diagnostics)
Check Yes
Replace the air-
bag control mod-
ule. <Ref. to
AB-17, Airbag
Control Module.>
Replace airbag
main harness.
<Ref. to AB-15,
Main Harness.>
Replace side air-
bag harness.
<Ref. to AB-16,
Side Airbag Har-
ness.>
Finish the diagno-
sis.
No
Go to step 2.
Replace the air-
bag control mod-
ule. <Ref. to
AB-17, Airbag
Control Module.>