Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 615
AB-27
Roll Connector
AIRBAG SYSTEM
D: ADJUSTMENT
CAUTION:
• Do not rotate the roll connector to more than
the specified number of turns. Otherwise, the
roll connector internal wire may be broken.
• When determining the end stop, rotate the
connector slowly without applying excessive
force. Applying excessive force at the end stop
may break the internal wire.
1) Check that front wheels are positioned in straight
ahead direction.
2) Turn the roll connector pin (A) clockwise until it
stops.
3) Turn the roll connector pins (A) approx. 3.25
turns in the counterclockwise direction until “ ”
marks are aligned.
AB-02078
(A)
AB-28
Roll Connector
AIRBAG SYSTEM
AIRBAG SYSTEM (DIAGNOSTICS)
AB(diag)
Page
Basic Diagnostic Procedure . . . . . . . . . . . . . . . . . ...2
Check List for Interview . . . . . . . . . . . . . . . . . . . ..3
General Description . . . . . . . . . . . . . . . . . . . . ...4
Electrical Component Location . . . . . . . . . . . . . . . . 21
Airbag Connector . . . . . . . . . . . . . . . . . . . . . .23
Airbag Control Module I/O Signal . . . . . . . . . . . . . . . .24
Subaru Select Monitor . . . . . . . . . . . . . . . . . . . ..26
Read Diagnostic Trouble Code (DTC) . . . . . . . . . . . . . .31
Inspection Mode . . . . . . . . . . . . . . . . . . . . . ...32
Clear Memory Mode . . . . . . . . . . . . . . . . . . . . .33
Airbag Warning Light Illumination Pattern . . . . . . . . . . . . 34
Airbag Warning Light Failure . . . . . . . . . . . . . . . . . 35
List of Diagnostic Trouble Code (DTC) . . . . . . . . . . . . . 39
Diagnostic Chart with Trouble Code . . . . . . . . . . . . . . 46
AB(diag)-2
Basic Diagnostic Procedure
AIRBAG SYSTEM (DIAGNOSTICS)
1. Basic Diagnostic Procedure
A: PROCEDURE
Step
Check
Yes
No
1
CHECK WARNING LIGHT.
Check whether the airbag warning light in the
combination meter is lit.
Does the airbag warning light
illuminate?
Perform the diag-
nosis according to
phenomenon of
the problem.
2
READ DTC.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to data
link connector.
3) Turn the ignition switch to ON and run the
Subaru Select Monitor.
4) Read the DTC. <Ref. to AB(diag)-31,
OPERATION, Read Diagnostic Trouble Code
(DTC).>
NOTE:
If the communication function of the Subaru Se-
lect Monitor cannot be executed properly,
check the communication circuit. <Ref. to
AB(diag)-28, COMMUNICATION FOR INI-
TIALIZING IMPOSSIBLE, INSPECTION, Sub-
aru Select Monitor.>
5) Record all DTCs and freeze frame data.
Is DTC displayed?
Go to “Airbag
Warning Light Fail-
ure” <Ref. to
AB(diag)-35, Air-
bag Warning Light
Failure.>.
3
PERFORM DIAGNOSIS.
1) Determine the possible cause from “List of
Diagnostic Trouble Code (DTC)” <Ref. to
AB(diag)-39, List of Diagnostic Trouble Code
(DTC).>.
2) Inspect the DTC using “List of Diagnostic
Trouble Code (DTC)”.
3) Repair the trouble cause.
4) Perform the Clear Memory Mode. <Ref. to
AB(diag)-33, Clear Memory Mode.>
5) Perform the Inspection Mode. <Ref. to
AB(diag)-32, Inspection Mode.>
6) Read any other DTCs displayed.
Is DTC displayed?
Perform the proce-
dure 1) to 5) in step
3.
Finish the diagno-
sis.
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