34
YES
NO
6. Thermo switch
!
Remove the thermo switch from the thermo
switch plate.
!
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.
!
Check the thermo switch for continuity at the
temperatures indicated below.
1
2
!
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
!
Remove the carburetor heating element
from the carburetor.
!
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.
!
Is the carburetor heating element OK?
2
8. Wiring
!
Check the entire carburetor heating sys-
tem
’
s wiring.
Refer to
“
CIRCUIT DIAGRAM
”
.
!
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
!
11
Ω
at 20
#
C
12 V 20 W: 4
!
11
Ω
at 20
#
C
!
Measure the carburetor heater resistance.
11
#
C
ON
OFF
16
#
C
CARBURETOR HEATING SYSTEM
ELEC