Subaru IMPREZA GD 2007 Series Manual page 4039

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OCCUPANT DETECTION SYSTEM (DIAGNOSTICS)
4. SYSTEM CALIBRATION (REZEROING)
NOTE:
When replacing the occupant detection system, or
removing and disassembling the passenger's seat
cushion cover, always perform the system calibra-
tion after installing a seat in the vehicle.
CAUTION:
When the trouble occurs in the system during
calibration process, "Occupant detection cali-
bration failure" is detected in the DTC 2A of the
airbag system and the airbag warning light
lights. In this case, after turning the ignition
switch to OFF once, redo the system calibration
(Rezeroing), or after clearing the cause of the
failure, perform the system calibration again.
1) Park empty vehicle on a level surface.
2) On the «Main Menu» display screen, select
{Each System Check}.
3) On the «System Selection Menu» display
screen, select {Occupant Detection System}.
4) On the {Occupant Detection System} display
screen, select {Zero Point Adjustment}.
5) «See service manual. And check vehicle condi-
tion for successfully completing the rezeroing.» is
displayed. Check the following items to adjust the
condition of the vehicle.
• Adjust the seat backrest to be fully upright.
• Adjust the seat slide position all the way back.
• Do not place anything on the top of the seat
cushion.
• Sit on the seat cushion to smooth the seat sur-
face.
• Check that the passenger's seat belt is not in-
serted into the buckle, not tense or not stuck.
• Check that ambient temperature is in a range
from 0 to 40°C (from 32 to 104°F).
6) «Re-zeroing Adjust the passenger seat to the
condition shown in service manual» is displayed on
the screen. Slide the passenger seat all the way to
the back, check that the backrest is adjusted to all
the way up, and select the [OK].
7) When the «Re-zeroing Unbelt the Passenger
seatbelt Continue: OK, Quit: NO» is displayed,
make sure the passenger's seatbelt is disconnect-
ed from the buckle and select [OK].
Subaru Select Monitor
8) When the «Re-zeroing Empty the passenger
seat Continue: OK, Quit: NO» is displayed, make
sure that the passenger's seat is empty, airbag
OFF indicator illuminates and airbag ON indicator
does not illuminate, then select [OK].
NOTE:
• After selecting [OK], «Now processing.... Please
wait for a while without touching vehicle» is dis-
played. Do not touch or rock the vehicle while the
message is displayed.
• During the system calibration process, if the
«Re-zeroing is unsuccessful See service manual
Press OK to END» is displayed, go to step 10).
9) During the re-zeroing is ended normally, the
«Rezeroing is successfully completed Press OK to
END» is displayed. Select [OK] and turn the ignition
switch to OFF to finish the diagnosis.
10) During the system calibration process, if «Re-
zeroing is unsuccessful See service manual Press
OK to END» is displayed, turn the ignition switch to
OFF once and turn it ON again, then read the DTC
of the airbag system. <Ref. to AB(diag)-28, OPER-
ATION, Subaru Select Monitor.>
When DTC is input, fix the fault and then perform
the system calibration. When DTC is not input,
check the seat and vehicle status and then perform
the system calibration again. <Ref. to OD(diag)-18,
SYSTEM CALIBRATION (REZEROING), OPERA-
TION, Subaru Select Monitor.>
NOTE:
When the re-zeroing is unsuccessful, there could
be occupant detection system failure or improper
seat and vehicle status. When the airbag warning
light illuminates, read the DTC of the airbag sys-
tem, and perform the diagnosis while referring to
"List of Diagnostic Trouble Code". <Ref. to AB(di-
ag)-28, OPERATION, Subaru Select Monitor.>
<Ref. to AB(diag)-43, LIST, List of Diagnostic Trou-
ble Code (DTC).>
OD-00025
OD(diag)-18