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c. Turn the main switch to "
d. Elevate the rear wheels and slowly rotate
them.
e. Measure the voltage (DC 20 V) of white and
black/blue. With each full rotation of the rear
wheels, the voltage reading should cycle
from 0.6 V to 4.8 V to 0.6 V to 4.8 V.
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EBS30354
CHECKING THE PARKING BRAKE BUZZER
1. Check:
• Parking brake buzzer
Does not sound → Replace.
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a. Disconnect the parking brake buzzer coupler
from the wire harness.
b. Connect the battery to the parking brake
buzzer coupler as shown.
• Positive battery terminal →
brown "1"
• Negative battery terminal →
pink "2"
P
Br
2
c. Check the parking brake buzzer sound.
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EBS30310
CHECKING THE RADIATOR FAN MOTOR
1. Check:
• Radiator fan motor
Faulty/rough movement → Replace.
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a. Disconnect the radiator fan motor coupler
from the wire harness.
1
" (on).
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ELECTRICAL COMPONENTS
b. Connect the battery to the radiator fan motor
coupler as shown.
• Positive battery terminal →
blue "1"
• Negative battery terminal →
black "2"
c. Check the radiator fan motor movement.
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EBS30311
CHECKING THE RADIATOR FAN MOTOR
CIRCUIT BREAKER
1. Remove:
• Radiator fan motor circuit breaker
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(from the wire harness)
2. Check:
• Radiator fan motor circuit breaker resistance
Out of specification → Replace the radiator
fan motor circuit breaker.
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a. Connect the digital circuit tester to the radia-
tor fan motor circuit breaker as shown.
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9-105
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Radiator fan motor circuit break-
er resistance
0–0.05 Ω at 25 °C (77 °F)
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Digital circuit tester
90890-03174
Model 88 Multimeter with ta-
chometer
YU-A1927
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