Dtc B1052 / B1056: Driver / Passenger Pretensioner Initiator Circuit Resistance Low - Suzuki Swift Sport 2004 Service & Repair Manual

8B-58 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 B1051) or "L29-9" and "L29-10"
(for DTC B1055).
3) If OK, release shorting bar in SDM connector inserting
release tool (1) included in special tool (A).
4) Measure resistance between "L29-7" and "L29-8"
terminals (for DTC B1051) or "L29-9" and "L29-10"
terminals (for DTC B1055) 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)
Is resistance 2.91
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 B1052 / B1056: Driver / Passenger Pretensioner Initiator Circuit Resistance Low

Wiring Diagram
1
[A]
[A]: Shorting bar
1. From main fuse
2. Ignition switch
Action
"L10", "L36"
(A)
STEERING WHEEL
Ω
or less?
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 B1051: High
resistance or open wire
in "GRN/ORN" or "GRN/
YEL" circuit.
DTC B1055: High
resistance or open wire
in "BLU/ORN" or "BLU/
YEL" circuit.
"L10"
GRN/ORN
6
GRN/YEL
BLU/ORN
7
BLU/YEL
"L36"
No
S7RS0B8204027
I7RS0A820016-05