Air Bag System: 8B-25
DTC B1027: Reusable Number Exceeded
S4RS0A8204071
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
S4RS0A8204052
Wiring Diagram
5
“L29”
“L04”
4 “L32” “G04” “G26”
6
1
GRN RED
2
L29-26 IG
GRN GRN
“G32”
D+ L29-3
3
BLK
D- L29-2
YEL YEL
7
L29-27 E1
[A]
8
“L29”
I4RS0A820013-
[A]: Shorting bar 3. “A/BAG” fuse 6. Contact coil assembly
1. From main fuse 4. Junction block assembly 7. Driver air bag (inflator) module
2. Ignition switch 5. SDM 8. Ground for air bag system
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.