Suzuki Swift Sport 2004 Service & Repair Manual page 1065

Step
3 1) With ignition switch OFF, disconnect SDM connector
"L29".
2) Check proper connection to SDM at terminals "L29-3"
and "L29-4".
3) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
4) Measure resistance between "L29-3" and "L29-4"
terminals with connected special tools (B) and (D).
Special tool
(A): 09932-76010
(B): 09932-75010
(D): 09932–77320
"L29-3" "L29-4"
(A)
BASE OF COLUMN
Ω
Is resistance 3.85
Action
"L32"
DRIVER
PASSENGER
or less?
Yes
Substitute a known-
good SDM and recheck.
(D)
(B)
I7RS0A820011-03
Air Bag System: 8B-27
No
High resistance or open
wire in "GRN/RED" or
"GRN" circuit in floor
harness.