ELECTRICAL COMPONENTS
8-168
EAS28370
CHECKING THE AIR INDUCTION SYSTEM
SOLENOID
1. Check:
• Air induction system solenoid resistance
Out of specification → Replace.
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a. Disconnect the air induction system solenoid
coupler from the wire harness.
b. Connect the pocket tester (Ω × 1) to the air in-
duction system solenoid terminals as shown.
c. Measure the air induction system solenoid re-
sistance.
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EAS28390
CHECKING THE CYLINDER
IDENTIFICATION SENSOR
1. Remove:
• Timing plate cover
2. Check:
• Cylinder identification sensor output voltage
Out of specification → Replace.
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a. Connect the pocket tester (DC 20 V) to the
cylinder identification sensor coupler (wire
harness side) as shown.
b. Turn the main switch to “ON”.
c. Rotate the crankshaft.
d. Measure the voltage of white/black and
black/blue. Turn the crankshaft twice and
check that the output voltage rises to approx-
imately 4.8 V once.
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EAS28410
CHECKING THE INTAKE AIR PRESSURE
SENSOR
1. Check:
• Intake air pressure sensor output voltage
Out of specification → Replace.
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a. Connect the pocket tester (DC 20 V) to the in-
take air pressure sensor coupler as shown.
Solenoid resistance
19–25 Ω at 20 °C (68 °F)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
green “1”
• Negative tester probe →
orange “2”
Cylinder identification sensor
output voltage (ON)
More than 4.8 V
Cylinder identification sensor
output voltage (OFF)
Less than 0.6 V
OG
12
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
white/black “1”
• Negative tester probe →
black/blue “2”
Intake air pressure sensor output
voltage
3.75–4.25 V
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
WL/Y
B/L
L
W/B
B/L
1
2
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