Dtc B1053 / B1057: Driver / Passenger Pretensioner Initiator Circuit Short To Ground - Suzuki Swift Sport 2004 Service & Repair Manual

8B-60 Air Bag System:
Step
2 1) With ignition switch OFF, disconnect SDM connector
"29".
2) Check proper connection to SDM at terminals in "L29-7"
and "L29-8" (for DTC B1052) or "L29-9" and "L29-10"
(for DTC B1056).
3) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
4) If OK, then measure resistance between "L29-7" and
"L29-8" terminals (for DTC B1052) or "L29-9" and "L29-
10" terminals (for DTC B1056) with connected special
tools (B) and (C).
Special tool
(A): 09932-76010
(B): 09932-75010
(C): 09932–78310
"L29-7" "L29-8" "L29-9" "L29-10"
(A)
Ω
Is resistance 1.8
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to "DTC Clearance", if any.
• Repeat "Air Bag Diagnostic System Check" to confirm that the trouble has been corrected.

DTC B1053 / B1057: Driver / Passenger Pretensioner Initiator Circuit Short to Ground

Wiring Diagram
1
[A]
[A]: Shorting bar
1. From main fuse
2. Ignition switch
Action
"L10", "L36"
(A)
STEERING WHEEL
or more?
4
GRN
2
"G32"
3
8
3. "A/BAG" fuse
4. Junction block assembly
5. SDM
Substitute a known-
good SDM and recheck.
(C)
(B)
I7RS0A820017-03
5 "L29"
"L04"
L29-8
RED DP+
L29-27 IG
DP- L29-7
BLK
PP+ L29-9
L29-28 E1
PP- L29-10
"L29"
6. Driver seat belt pretensioner
7. Passenger seat belt pretensioner
8. Ground for air bag system
Yes
DTC B1052: "GRN/
ORN" circuit shorted to
"GRN/YEL" circuit,
"GRN/ORN" circuit or
"GRN/YEL" circuit
shorted to other circuit.
DTC B1056: "BLU/
ORN" circuit shorted to
"BLU/YEL" circuit, "BLU/
ORN" circuit or "BLU/
YEL" circuit shorted to
other circuit.
"L10"
GRN/ORN
6
GRN/YEL
BLU/ORN
7
BLU/YEL
"L36"
No
S7RS0B8204028
I7RS0A820016-05