Subaru 2009 IMPREZA Service Manual page 2872

Step
5 CHECK AIRBAG MAIN HARNESS (DRIV-
ER'S AIRBAG HARNESS).
Measure the resistance between connectors
(3AG) in the test harness AG, and between con-
nector (3AG) and chassis ground.
Connector & terminal
(3AG) No. 1 — (3AG) No. 3:
(3AG) No. 3 — Chassis ground:
(3AG) No. 1 — Chassis ground:
(3AG) No. 2 — (3AG) No. 4:
(3AG) No. 2 — Chassis ground:
(3AG) No. 4 — Chassis ground:
(3AG) No. 1 — (3AG) No. 2:
(3AG) No. 1 — (3AG) No. 4:
(3AG) No. 2 — (3AG) No. 3:
(3AG) No. 3 — (3AG) No. 4:
6 CHECK AIRBAG CONTROL MODULE.
1) Connect all connectors.
2) Clear the memory.
3) Perform the Inspection Mode.
4) Read the DTC.
7 CHECK FOR ANY OTHER DTC ON DISPLAY. Is any other DTC displayed?
Diagnostic Chart with Trouble Code
Is the resistance 1 M or
more?
Is the same DTC displayed?
AB(diag)-83
AIRBAG SYSTEM (DIAGNOSTICS)
Check Yes
Go to step 6.
Replace the airbag
control module.
<Ref. to AB-21,
Airbag Control
Module.>
Check DTC using
"List of Diagnostic
Trouble Code
(DTC)". <Ref. to
AB(diag)-38, List
of Diagnostic Trou-
ble Code (DTC).>
No
Replace the airbag
main harness
along with body
harness.
Go to step 7.
Finish the diagno-
sis.