34
YES
NO
6. Thermo switch
S
Remove the thermo switch from the thermo
switch plate.
S
Connect the pocket tester to the (
Ω
1) to
the thermo switch as shown.
Tester positive probe
!
black
Tester negative probe
!
black / red
Replace the thermo
switch.
S
Check the thermo switch for continuity at the
temperatures indicated below.
1
2
S
Does the thermo switch operated properly?
COOL DOWN
HEAT UP
A
B
EAS00825
The following procedure applies to all of the
carburetor heating elements.
YES
NO
7. Carburetor heater
S
Remove the carburetor heating element
from the carburetor.
S
Connect the pocket tester to the carburetor
heating element as shown.
Tester positive probe
!
heating element
Tester negative probe
!
heating element body
Replace the carbure-
tor heating element.
S
Is the carburetor heating element OK?
2
8. Wiring
S
Check the entire carburetor heating sys-
tem’s wiring.
Refer to “CIRCUIT DIAGRAM”.
S
Is the carburetor heating system’s wiring
properly connected and without defects?
NO
Properly connect or
repair the carburetor
heating system’s wir-
ing.
EAS00826
1
Carburetor heating element
resistance
12 V 15 W: 4
X
11
Ω
at 20
_
C
12 V 20 W: 4
X
11
Ω
at 20
_
C
S
Measure the carburetor heater resistance.
11
_
C
ON
OFF
16
_
C
CARBURETOR HEATING SYSTEM
ELEC
