Suzuki GRAND VITARA XL-7 Owner's Manual page 611

10B-34 AIR BAG SYSTEM
DIAGNOSTIC FLOW TABLE
DTC B1031 :
Step
1 1) With ignition switch OFF, disconnect SDM
connector.
2) Check proper connection to SDM at "Q01-4"
terminal.
3) If OK then ignition switch ON, and then
check voltage from "Q01-4" terminal on
SDM connector to body ground.
Is voltage 14 V or less?
2 1) With ignition switch OFF, reconnect SDM
connector.
With ignition switch ON, is DTC B1031 current?
Fig. for STEP 1
NOTE:
Upon completion of inspection and repair work, perform following items.
• Reconnect all air bag system components, ensure all components are properly mounted.
• Clear diagnostic trouble codes (Refer to DTC CLEARANCE), if any.
• Repeat AIR BAG DIAGNOSTIC SYSTEM CHECK to confirm that the trouble has been corrected.
DTC B1032 :
Step
1 1) Measure voltage on battery.
Is voltage 11 V or more?
2 1) With ignition switch OFF, disconnect SDM
connector.
2) Check proper connection to SDM at "Q01-4"
terminal.
3) If OK then ignition switch ON, and then
check voltage from "Q01-4" terminal on
SDM connector to body ground.
Is voltage 8 V or more?
Action
Special tool
(A) : 09932-75020
Action
Yes
Go to step 2.
Substitute a known-good
SDM and recheck.
Yes
Go to step 2.
Go to step 3.
No
Check Charging System
and repair as necessary.
(Refer to DIAGNOSIS in
Section 6H)
Check Charging System
and repair as necessary.
(Refer to DIAGNOSIS in
Section 6H)
No
Check Charging System
and repair as necessary.
(Refer to DIAGNOSIS in
Section 6H)
Possibly faulty points are
as follows. Check each of
them and repair as neces-
sary.
• Circuit from battery to
"Q01" connector
• Charging System
(Refer to DIAGNOSIS
in Section 6H)