YH4
GRAND
VITARA
1. From main fuse
2. Ignition switch
3. “IG
.
COIL METER” fuse in J/B
4. “AIR BAG” warning lamp in combination meter
7. Connection detection pin
8. SDM
8-1. “AIR BAG” warning lamp driver circuit
-5. “AIR BAG” fuse in “AIR BAG” fuse box
-6. “AIR BAG” monitor coupler
6-1. Diagnosis switch terminal
: Air bag harness
6–1
6
10B-20 AIR BAG SYSTEM
TABLE C – “AIR BAG” WARNING LAMP FLASHES (Page 1 of 2)
CAUTION:
When measurements are requested in this chart use specified digital multimeter with correct terminal
adapter from special tool (Connector test adapter kit).
When a check for proper connection is requested refer to “Intermittent and Poor Connections” in this
section.
When an open in air bag wire harness, damaged wire harness, connector or terminal is found, replace
wire harness, connectors and terminals as an assembly.
STEP ACTION YES NO
1 1) Check “AIR BAG” monitor coupler.
2) Is it connected diagnosis switch terminal and
ground terminal in “AIR BAG” monitor coupler
by service wire?
Remove service wire. Go to step 2.
2 1) With ignition switch OFF, disconnect SDM.
2) Measure resistance between “A8” terminal of
SDM connector and body ground.
3) Is resistance 1 k or more?
Substitute a known-good
SDM and recheck.
Repair short from “V”
wire circuit to ground.
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