8B-34 Air Bag System:
DTC B1033: Driver Air Bag Initiator Circuit Short to Ground
S7RS0B8204020
Wiring Diagram
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.
DTC Will Set when
The voltage measured at driver air bag initiator circuit is below a specified value for specified time.
Flow Test Description
Step 1: Check whether malfunction is in contact coil and driver air bag (inflator) module or the others.
Step 2: Check driver air bag (inflator) module initiator circuit. (in instrument panel and floor harness)
Step 3: Check driver air bag (inflator) module initiator circuit. (in floor harness)
Step 4: Check whether malfunction is in contact coil or driver air bag (inflator) module.
1
2
3
GRN
RED
8
BLK
L29-27
L29-28
IG
E1
4
“L29”
“L04”
“G32”
“L29”
L29-4
D+
L29-3
D-
GRN
GRN/RED
GRN
GRN/RED
6
5
7
“G26”“L32” “G04”
[A]
I7RS0A820010-07
[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
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