Dtc B1071: Internal Sdm Fault; Dtc B1072 / B1074: Internal Side Sensor (Driver / Passenger Side) Fault; Dtc B1073 / B1075 Side Sensor (Driver / Passenger Side) Correspondence Abnormality - Suzuki Liana RH413 Service Manual

DTC B1071: Internal SDM Fault

DTC Will Set when
An internal SDM fault is detected by SDM.
NOTE
Before executing items in this flow, be sure
to perform "Air Bag Diagnostic System
Check".
NOTE
DTC B1071 can never be cleared once it has
been set.
DTC Troubleshooting
1) Ignition switch OFF.
2) Replace SDM.

DTC B1073 / B1075 Side Sensor (Driver / Passenger Side) Correspondence Abnormality

Wiring Diagram
1
2
1. From main fuse
2. Ignition switch
3. "AIR BAG" fuse
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 specified digital
multimeter (Refer to "Special Tool".) 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 Intermittents 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.
S3RH0A8204031
3
GRN RED
5
6
4. SDM
5. Side sensor (driver side)
6. Side sensor (passenger side)
3) Repeat "Air Bag Diagnostic System Check".
DTC B1072 / B1074: Internal Side Sensor (Driver
/ Passenger Side) Fault
DTC Will Set when
SDM receive internal fault signal from side sensor.
NOTE
Before executing items in this flow, be sure
to perform "Air Bag Diagnostic System
Check".
DTC Troubleshooting
1) Ignition switch OFF.
2) Replace side sensor.
3) Repeat "Air Bag Diagnostic System Check".
"L80"
"G14"
RED
"L77"
GRN/WHT
GRN/BLK
LT GRN/BLK
LT GRN
"L78"
BLK
7
7. Ground for air bag system
Air Bag System:
S3RH0A8204037
S3RH0A8204038
"L70"
4
L70-32
L70-17
L70-6
L70-16
L70-5
L70-31
8B-76
I3RH0A820034-02