Checking The Throttle Position Sensor; Checking The Accelerator Position Sensor - Yamaha YZF-R1(B) 2012 Service Manual

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a. Connect the pocket tester (Ω × 100) to the
coolant temperature sensor as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
b. Immerse the coolant temperature sensor
"1" in a container filled with coolant "2".
TIP
Make sure the coolant temperature sensor ter-
minals do not get wet.
c. Place a thermometer "3" in the coolant.
d. Slowly heat the coolant, then let it cool
down to the specified temperature.
e. Measure the coolant temperature sensor
resistance.
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EAS14B1086
CHECKING THE THROTTLE POSITION
SENSOR
1. Remove:
• Throttle position sensor
(from the throttle body)
2. Check:
• Throttle position sensor maximum resis-
tance
Out of specification → Replace the throt-
tle position sensor.
ELECTRICAL COMPONENTS
Throttle position sensor resis-
tance
1.2–2.8 kΩ
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a. Connect the pocket tester (Ω × 1 k) to the
throttle position sensor terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Blue "1"
• Negative tester probe
Black/Blue "2"
b. Measure the throttle position sensor maxi-
mum resistance.
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3. Install:
• Throttle position sensor
TIP
When installing the throttle position sensor,
adjust its angle properly. Refer to "ADJUST-
ING THE THROTTLE POSITION SENSOR"
on page 7-19.
EAS14B1087
CHECKING THE ACCELERATOR POSITION
SENSOR
1. Remove:
• Accelerator position sensor
(from the throttle body)
2. Check:
• Accelerator position sensor maximum
resistance
Out of specification → Replace the accel-
erator position sensor.
Accelerator
resistance
1.2–2.8 kΩ
8-143
position sensor