Suzuki GA413, Service Manual

Page: 710 / 1246

10B-16 AIR BAG SYSTEM
Table B:
STEP ACTION YES NO
1 1) Set parking brake.
2) Note combination meter when ignition switch
is turned ON.
3) Does the “BRAKE” indicator (warning lamp)
come ON?
Go to step 2. “B/W” wire, “IG METER”
fuse or J/B (between
ignition switch and com-
bination meter) open or
short to ground
2 1) With ignition switch OFF, disconnect SDM.
2) Check electrical connection check mecha-
nism.
3) Is it in good condition?
Go to step 3. Repair electrical con-
nection check mecha-
nism.
3 1) Disconnect SDM.
2) Check proper connection to SDM at terminal
“A2”.
3) If OK then check voltage from “A2” terminal of
SDM connector to body ground with ignition
switch ON.
4) Is it 8 V or more?
Substitute a known-good
SDM and recheck. Go to step 4.
4 1) Remove combination meter. Refer to COM-
BINATION METER in SECTION 8.
2) Check proper connection to combination me-
ter at “Or” terminal for “AIR BAG” warning
lamp and to SDM at terminal “A2”.
3) If OK then check resistance between “Or” wire
terminal of combination meter connector
(16-pin connector) and “A2” terminal of SDM
connector.
4) Is resistance 1 or less?
Go to step 5. Repair high resistance
or open in “Or” wire cir-
cuit (between combina-
tion meter and SDM).
5 1) Measure voltage from “A2” terminal of SDM
connector to body ground with ignition switch
ON.
2) Is it 8 V or more?
Repair short from “Or”
wire circuit (between
combination meter and
SDM) to power circuit. Go to step 6.
6 1) Remove and inspect “AIR BAG” bulb.
2) Is bulb good? Substitute a known-good
combination meter and
recheck. Replace bulb.
Fig. for STEP 2 Fig. for STEP 3 and 5
Special Tool
(A): 09932-76010