Subaru Impreza 2002 Service Manual page 3328

G: DTC 23
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 to OFF, disconnect the
ground cable from battery, and wait more than 20 seconds before starting to work.
Step
1 CHECK POOR CONTACT IN CONECTORS
(AB6), (AB17) and (AB18).
1)Turn the ignition switch to 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-15, Airbag Control Module.>
2 CHECK POOR CONTACT IN CONECTORS
(AB6), (AB17) and (AB18).
1)Ensure that connectors are firmly recon-
nected.
2)Connect the battery ground cable and turn
the ignition switch to ON.
DIAGNOSTIC CHART WITH TROUBLE CODE
Check
Check if rust or damage
appear on the harness connec-
tor and the control module con-
nector.
Does the airbag warning light
operate properly?
AB-49
AIRBAG SYSTEM (DIAGNOSTICS)
Yes
Replace the airbag Go to step 2.
control module.
<Ref. to AB-15,
Airbag Control
Module.> Replace
the body harness
with airbag main
harness.
Replace the body
harness with side
airbag harness.
Finish the diagno- Replace the airbag
sis. control module.
<Ref. to AB-15,
Airbag Control
Module.>
No