Subaru 2009 IMPREZA Service Manual page 2955

SEAT BELT SYSTEM
Step
20 CHECK CURRENT DATA.
Select "Current Data Display" and read the data
of the "Front Wheel Speed" of the body inte-
grated unit. <Ref. to LAN(diag)-33, OPERA-
TION, Read Current Data.>
Seat Belt Warning System
Check
Does the data indicate the nor-
mal vehicle speed?
SB-16
Yes No
Go to step 11. Check the follow-
ing items.
• LAN system
<Ref. to
LAN(diag)-69,
DTC U1223 CAN-
HS VDC/ABS NO-
RECEIVE DATA,
Diagnostic Proce-
dure with Diagnos-
tic Trouble Code
(DTC).>
• VDC
<Ref. to
VDC(diag)-2,
Basic Diagnostic
Procedure.>
• ABS
<Ref. to
ABS(diag)-2, Basic
Diagnostic Proce-
dure.>