ELECTRICAL COMPONENTS
8-169
b. Turn the main switch to “ON”.
c. Measure the intake air pressure sensor out-
put voltage.
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EAS28420
CHECKING THE INTAKE AIR
TEMPERATURE SENSOR
1. Remove:
• Intake air temperature sensor
(from the air filter case)
WARNING
EWA14110
• Handle the intake air temperature sensor
with special care.
• Never subject the intake air temperature
sensor to strong shocks. If the intake air
temperature sensor is dropped, replace it.
2. Check:
• Intake air temperature sensor resistance
Out of specification → Replace.
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a. Connect the pocket tester (Ω × 100) to the in-
take air temperature sensor terminals as
shown.
b. Immerse the intake air temperature sensor
“1” in a container filled with water “2”.
NOTE:
Make sure that the intake air temperature sensor
terminals do not get wet.
c. Place a thermometer “3” in the water.
d. Slowly heat the water, then let it cool down to
the specified temperature.
e. Measure the intake air temperature sensor
resistance.
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ET3P61017
CHECKING THE ACCESSORY BOX
SOLENOID
1. Check:
• Accessory box solenoid resistance
Out of specification → Replace.
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a. Disconnect the accessory box solenoid cou-
pler from the wire harness.
b. Connect the pocket tester (Ω × 10) to the ac-
cessory box solenoid terminals as shown.
• Positive tester probe →
pink/white “1”
• Negative tester probe →
black/blue “2”
Intake air temperature sensor re-
sistance
290–390 Ω at 80 °C (176 °F)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
L
B/L
P/W
12
Accessory box solenoid resis-
tance
19–21 Ω at 20 °C (68 °F)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
brown “1”
• Negative tester probe →
black “2”
3
1
2
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