Checking The Throttle Servo Motor; Checking The Air Induction System Solenoid - Yamaha R1 Series 2015 Service Manual

Resistance
1.40–2.60 k
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a. Connect the pocket tester (
celerator position sensor terminals as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
blue/yellow "1"
• Negative tester probe
black/blue "2"
1
B
b. Measure the accelerator position sensor
maximum resistance.
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3. Install:
• Accelerator position sensor
TIP
When installing the accelerator position sensor,
adjust its angle properly. Refer to "ADJUSTING
THE ACCELERATOR POSITION SENSOR" on
page 7-17.
EAS30592

CHECKING THE THROTTLE SERVO MOTOR

1. Remove:
• Air filter case
Refer to "AIR FILTER CASE" on page 7-4.
2. Check:
• Throttle valve operation
Throttle valves do not fully close
the throttle bodies.
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a. Connect two C-size batteries to the throttle
servo motor terminals "1" as shown.
ECA17660
NOTICE
Do not use a 12 V battery to operate the throt-
1 k) to the ac-
2
L/Y B/L W
Replace
ELECTRICAL COMPONENTS
tle servo motor.
TIP
Do not use old batteries to operate the throttle
servo motor.
2
2
A. Check that the throttle valves "2" open.
B. Check that the throttle valves "2" fully close.
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EAS30587
CHECKING THE AIR INDUCTION SYSTEM
SOLENOID
1. Check:
• Air induction system solenoid resistance
Out of specification
Solenoid resistance
18–22
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a. Remove the air induction system solenoid
coupler from the air induction system sole-
noid.
b. Connect the pocket tester (
duction system solenoid terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
8-192
1
1
3 V
1
1
3 V
Replace.
1) to the air in-