Suzuki GA413 Service Manual page 628

8-26 BODY ELECTRICAL SYSTEM
1. Voltmeter
SEAT BELT WARNING LIGHT (IF EQUIPPED)
SEAT BELT SWITCH
INSPECTION
Refer to "SEAT BELT" section.
REAR WINDOW DEFOGGER (IF EQUIPPED)
DEFOGGER SWITCH
INSPECTION
Use a circuit tester to check defogger switch for continuity.
If switch has no continuity between terminals, replace it.
Defogger SW
DEFOGGER WIRE
INSPECTION
NOTE:
D When cleaning rear window glass, use a dry cloth to wipe
it along wire direction.
D When cleaning glass, do not use detergent or abrassive-
containing glass cleaner.
D When measuring wire voltage, use a tester with negative
1. Heat wire
probe wrapped with a tin foil which should be held down
2. Tin foil
3. Tester probe
on wire by finger pressure.
1) Checking wire damage
a. Turn ignition switch ON.
b. Turn defogger switch ON.
c. Use a voltmeter to check voltage at the center of each heat
wire, as shown.
If measured voltage is 10V, wire must be damaged between
its center and positive end. If voltage is zero, wire must be
damaged between its center and ground.
Terminal
OFF
ON
Voltage
Approx. 5V
Approx. 10V or 0V
C B
Criteria
Good (No break in wire)
Broken wire
E