Suzuki Swift Sport 2004 Service & Repair Manual page 1107

Step
2 1) With ignition switch OFF, disconnect SDM connector
"L29".
2) Check proper connection to SDM at terminals "L29-11"
and "L29-12" or "L29-13" and "L29-14".
3) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
4) Measure resistance between "L29-11" and "L29-12"
terminals (for DTC B1062) or "L29-13" and "L29-14"
terminals (for DTC B1066) with connected special tools
(B) and (C).
Special tool
(A): 09932–76010
(B): 09932–75010
(C): 09932–78340
"L29-11" "L29-12" "L29-13" "L29-14"
(A)
Ω
Is resistance 1.8
Action
"L25", "L30"
(C)
STEERING WHEEL
or more?
Yes
Substitute a known-
good SDM and recheck.
(B)
I7RS0A820021-01
Air Bag System: 8B-69
No
DTC B1062: 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 B1066: 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.