Suzuki GA413, Service Manual

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AIR BAG SYSTEM 10B-21
DIAGNOSTIC FLOW TABLE
STEP ACTION YES NO
1 1) Make sure that SUZUKI scan tool is free
from malfunction and correct cartridge for
air bag system is used.
2) Ignition switch OFF.
3) Check proper connection of SUZUKI scan
tool to DLC.
4) Is connection in good condition?
Go to step 2. Properly connect SUZUKI
scan tool to DLC.
2 1) Check if communication is possible by try-
ing communication with other control mod-
ule (ECM, P/S control module (if
equipped) or ABS control module (if
equipped)).
2) Is it possible to communicate with other
control module?
Go to step 3. Repair open in common
section of serial data circuit
(“V/G” wire circuit) used by
all controllers or short to
ground or power circuit
which has occurred some-
where in serial data circuit
(“V/G” wire circuit).
3 1) With ignition switch OFF, disconnect
SDM and “E” connector.
2) Check proper connection at “V/G” wire
terminal for DLC in “E” connector.
3) If OK, then check resistance between
“V/G” wire terminal in “E” connector and
“A14” terminal of SDM connector.
4) Is resistance 1 or less?
Substitute a known-good
SDM and recheck.
Repair high resistance or
open in “V/G” wire circuit
(in air bag harness).
1. DLC
2. Scan tool
1. “E” connector (air bag harness side)
2. “V/G” wire terminal
Fig. for STEP1 Fig. for STEP3
Special Tool
(A): 09932-76010
NOTE:
Upon completion of inspection and repair work, perform following items.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Repeat AIR BAG DIAGNOSTIC SYSTEM CHECK to confirm that the trouble has been corrected.