AIR BAG SYSTEM 10B-33
DTC B1031 – Power Source Voltage High
DTC B1032 – Power Source Voltage Low
WIRING DIAGRAM
DTC WILL SET WHEN
DTC B1031 :
The power source voltage to SDM is above specified value for specified time.
DTC B1032 :
The power source voltage is below an approx. 8 V for specified time.
TABLE TEST DESCRIPTION
DTC B1031 :
STEP 1 : Check if voltage applied to SDM is within normal range.
STEP 2 : Check if DTC B1031 still exists.
DTC B1032 :
STEP 1 : Check if voltage applied to SDM is within normal range.
STEP 2 : Check if DTC B1032 still exists.
[A] : Air bag harness 2. Ignition switch 4. SDM
1. From main fuse 3. “AIR BAG” fuse 5. Ground for air bag system
1
2
BLU/REDBLU/BLK
3
5
BLK
“Q01”
Q01-4
Q01-17
IG
GND
4
[A]
CAUTION:
• Be sure to perform AIR BAG DIAGNOSTIC SYSTEM CHECK before starting diagnosis according to
flow table.
• When measurement of resistance or voltage is required in this table, use a tester along with a cor-
rect terminal adapter from special tool (Connector test adapter kit).
• When a check for proper connection is required, refer to INTERMITTENT AND POOR CONNEC-
TIONS in this section.
• 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.
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