Suzuki Liana RH413, Service Manual

Page: 953 / 1302

Air Bag System: 8B-28
Troubleshooting
Step Action Yes No
1 1) Make sure that SUZUKI scan tool (2) is free from
malfunction.
2) Ignition switch OFF.
3) Check proper connection of SUZUKI scan tool (2) to
DLC (1).
Special tool
(A): 09932-76010
Is scan tool connector connected to DLC securely?
Go to Step 2. Properly connect
SUZUKI scan tool to
DLC.
2 1) Check if communication is possible by trying
communication with other control module (ECM or ABS
control module (if equipped)).
Is it possible to communicate with other control module?
Go to Step 3. Repair open in common
section of serial data
circuit (“BLU” wire
circuit) used by all
controllers or short to
ground or power circuit
which has occurred
some-where in serial
data circuit (“BLU” wire
circuit).
3 1) With ignition switch OFF, disconnect SDM connector
“L70” (4) and connector “L83” (3).
2) Check proper connection at “L83-1” (“BLU” wire)
terminal for DLC.
3) If OK, then check resistance between “L83-1” (“BLU”
wire) terminal and “L70-28” terminal of SDM connector
“L70” (4).
Special tool
(A): 09932-76010
Is resistance 0 – 1
Ω
?
Substitute a known-
good SDM and recheck. Repair high resistance
or open in “BLU” wire
circuit (between
connector “L83” and
SDM).
2
1
I3RH0A820020-01
(A)
(A)
“L83-1”
3
“L70-28”
4
I2RH01820022-01