Suzuki GRAND VITARA Owner's Manual page 1280

8B-78 Air Bag System:
Step
2 1) With ignition switch OFF, disconnect SDM connector
"L33".
2) Check proper connection to SDM at terminals "L33-1"
and "L33-2" or "L33-3" and "L33-4".
3) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
4) Measure resistance between "L33-1" and "L33-2"
terminals (for DTC B1322) or "L33-3" and "L33-4"
terminals (for DTC B1326) with connected special tools
(B) and (C).
Special tool
(A): 09932–76010
(B): 09932–75010
(C): 09932–78340
"L33-1"
"L33-2"
(A)
Is resistance 0.65
Action
1, (A)
"L25", "L30"
(C)
"L33-3 " "L33-4"
STEERING WHEEL
Ω
or more?
Yes
Substitute a known-
good SDM and recheck.
(B)
I5JB0A820045-01
No
DTC B1322: Repair
short from "GRY/RED"
wire circuit to "GRY"
wire circuit or from
"GRY/RED" or "GRY"
wire circuit to other wire
circuit in floor harness.
DTC B1326: Repair
short from "BRN/WHT"
wire circuit to "BRN"
wire circuit or from
"BRN/WHT" or "BRN"
wire circuit to other wire
circuit in floor harness.