Suzuki Liana RH413, Service Manual

Page: 978 / 1302

8B-53 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 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.
DTC Will Set when
The power source voltage to SDM is above specified value for specified time.
Flow Test Description
Step 1: Check if voltage applied to SDM is within normal range.
Step 2: Check if DTC B1031 still exists.
DTC Troubleshooting
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components, ensure all components are properly mounted.
• Clear diagnostic trouble codes (Refer to “DTC Clearance”), if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
Step Action Yes No
1 1) With ignition switch OFF, disconnect SDM connector
“L70” (1).
2) Check proper connection to SDM at “L70-32” terminal.
3) If OK, then ignition switch ON, and then check voltage
from “L70-32” terminal in SDM connector “L70” to body
ground.
Special tool
(A): 09932-76010
Is voltage 14 V or less?
Go to Step 2. Check Charging System
and repair as necessary
referring to “Generator
Symptom Diagnosis in
Section 1J”.
2 1) With ignition switch OFF, reconnect SDM connector
“L70”.
With ignition switch ON, does DTC B1031 still exist?
Substitute a known-
good SDM and recheck. Check Charging System
and repair as necessary
referring to “Generator
Symptom Diagnosis in
Section 1J”.
(A)
1
“L70-32”
I2RH01820031-01