Yamaha YZFR1W 2007, Service Manual

Page: 417 / 429

ELECTRICAL COMPONENTS
8-98
b. Measure the throttle position sensor (for
throttle valves) maximum resistance.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
3. Install:
• Throttle position sensor (for throttle valves)
NOTE:
When installing the throttle position sensor (for
throttle valves), adjust its angle properly. Refer
to "ADJUSTING THE THROTTLE POSITION
SENSOR (FOR THROTTLE VALVES)" on
page 7-6.
EAS28370
CHECKING THE AIR INDUCTION SYSTEM
SOLENOID
1. Check:
• Air induction system solenoid resistance
Out of specification
→
Replace.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Disconnect the air induction system sole-
noid coupler from the air induction system
solenoid.
b. Connect the pocket tester (
Ω ×
1) to the air
induction system solenoid terminal as
shown.
c. Measure the air induction system solenoid
resistance.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EAS28380
CHECKING THE ATMOSPHERIC PRES-
SURE SENSOR
1. Check:
• Atmospheric pressure sensor output volt-
age
Out of specification
→
Replace.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Connect the pocket tester (DC 20 V) to the
atmospheric pressure sensor coupler (wire
harness side) as shown.
b. Set the main switch to “ON”.
c. Measure the atmospheric pressure sensor
output voltage.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
Solenoid resistance
18–22
Ω
at 20
°
C (68
°
F)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Brown/Red “1”
• Negative tester probe
Red/White “2”
Atmospheric pressure sensor
resistance
3.75–4.25 V
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Pink “1”
• Negative tester probe
Black/Blue “2”