Dtc B1027: Reusable Number Exceeded; Dtc B1031: Driver Air Bag Initiator Circuit Resistance High - Suzuki Swift Sport 2004 Service & Repair Manual

8B-24 Air Bag System:

DTC B1027: Reusable Number Exceeded

DTC Will Set when
The SDM has not been replaced though the side-air bag developed several times in the past.
NOTE
DTC B1027 can never be cleared once it has been set.
DTC Trouble shooting
1) Turn ignition switch OFF.
2) Replace SDM.
3) Repeat "Air Bag Diagnostic System Check".

DTC B1031: Driver Air Bag Initiator Circuit Resistance High

Wiring Diagram
GRN
1
2
"G32"
[A]
[A]: Shorting bar
1. From main fuse
2. Ignition switch
CAUTION
!
• Be sure to perform "Air Bag Diagnostic System Check" before starting diagnosis according to flow.
• When measurement of resistance or voltage is required in this flow, use a tester along with a correct
terminal adapter from special tool (Connector test adapter kit).
• When a check for proper connection is required, refer to "Inspection of Intermittent and Poor
Connections".
• If there is open circuit in the air bag wire harness, connector or terminal is found damaged, replace
the wire harness, connector and terminal as an assembly.
"L04"
4
RED
L29-27 IG
3
BLK
L29-28 E1
8
"L29"
3. "A/BAG" fuse
4. Junction block assembly
5. SDM
5
"L29"
"L32" "G04"
GRN/RED GRN/RED
D+ L29-4
GRN GRN
D-
L29-3
6. Contact coil assembly
7. Driver air bag (inflator) module
8. Ground for air bag system
S7RS0B8204017
S7RS0B8204018
6
"G26"
7
I7RS0A820010-07