Subaru Legacy IV (2008 year). Manual - part 1003

AB-25

Roll Connector

AIRBAG SYSTEM

13.Roll Connector

A: REMOVAL

1) Turn the ignition switch to OFF.
2) Disconnect the ground cable from battery and
wait for at least 20 seconds before starting work.
3) Remove the driver’s airbag module. <Ref. to AB-
14, REMOVAL, Driver’s Airbag Module.>
4) Remove the steering wheel. <Ref. to PS-13, RE-
MOVAL, Steering Wheel.>
5) Remove the steering column cover.
6) Remove the screws, and then remove the roll
connector.

B: INSTALLATION

1) Install in the reverse order of removal.
2) Before installing the steering wheel, be sure to
adjust the direction of roll connector with steering.
<Ref. to AB-25, ADJUSTMENT, Roll Connector.>

C: INSPECTION

Check for the following, and replace the damaged
parts with new parts.
Combination switch and roll connector are cracked
or deformed.

D: ADJUSTMENT

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-00760

AB-00594

(A)

AB-26

Roll Connector

AIRBAG SYSTEM

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?

Go to step 2.

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)-29, 
OPERATION, Read Diagnostic Trouble Code 
(DTC).>

NOTE:
If the communication function of the Subaru Se-
lect Monitor cannot be executed normally,
check the communication circuit. <Ref. to
AB(diag)-26, COMMUNICATION FOR INI-
TIALIZING IMPOSSIBLE, INSPECTION, Sub-
aru Select Monitor.>
5) Record all DTCs and freeze frame data.

Is DTC displayed?

Go to step 3.

Go to “Airbag 
warning light fail-
ure”<Ref. to 
AB(diag)-33, Air-
bag Warning Light 
Failure.>.

3

PERFORM DIAGNOSIS.
1) Determine the possible cause “List of Diag-
nostic Trouble Code (DTC)”<Ref. to AB(diag)-
38, 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)-31, Clear Memory Mode.>
5) Perform the Inspection Mode. <Ref. to 
AB(diag)-30, 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.

AB(diag)-3

Check List for Interview

AIRBAG SYSTEM (DIAGNOSTICS)

2. Check List for Interview

A: CHECK

Customer’s Name

Inspector’s Name

Date Vehicle Brought in

/

/

Registration No.

Odometer Reading

km

miles

V.I.N.

Date Problem Occurred

/

/

Registration Year

/

/

Weather

 Fine
 Cloudy
 Rainy
 Snowy
 Others:

Temperature

°C (

 °F)

Road Condition

 Flat road
 Uphill
 Downhill
 Gravel road
 Others:

Vehicle Operation

 Starting
 Idling
 Driving

 Constant speed
 Accelerating
 Decelerating
 Turning
 Others:

Details of Problem

Airbag Warning Light Opera-
tion

 Normal (After turning the ignition switch to ON, lit for approximately 6 seconds and goes off.)
 Remains ON
 Remains OFF

DTC output

 OK code
 DTC: (Code:

)