9 - 58
–
+
ELEC
CARBURETOR HEATING SYSTEM
GOOD
CONDITION
4. Thermo switch 2
• Remove the thermo switch 2 from the wire
harness.
• Connect the pocket tester (
Ω
×
1) to the
thermo switch 2
1
.
• Immerse the thermo switch 2 in a con-
tainer filled with water
2
.
• Place a thermometer
3
in the water.
• Slowly heat the water, than let it cool to the
specified temperature as indicated in the
table.
• Check the thermo switch 2 for continuity at
the temperatures indicated in the table.
È
The thermo switch 2 circuit is closed.
É
The thermo switch 2 circuit is open.
Test step
Water temperature Continuity
1
Less than 16 ± 3 °C
(60.8 ± 37.4 °C)
Yes
2
More than 16 ± 3 °C
(60.8 ± 37.4 °C)
No
3
More than 11 ± 3 °C
(51.8 ± 37.4 °C)
No
4
Less than 11 ± 3 °C
(51.8 ± 37.4 °C)
Yes
Test steps 1 & 2: Heating phase
Test steps 3 & 4: Cooling phase
*
*
BAD CONDITION
Replace the thermo switch 2.
1
2
Ω ×
1
3
11
51.8
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