Checking The Intake Air Temperature Sensor - Yamaha 2009 XP500Y TMAX Service Manual

• Positive tester probe →
blue "1"
• Negative tester probe →
pink/white "2"
B/L P/W L
2
b. Turn the main switch to "ON".
c. Measure the intake air pressure sensor out-
put voltage.
L LLL L LLL L L LLL L L LLL L
EAS28420
CHECKING THE INTAKE AIR
TEMPERATURE SENSOR
1. Remove:
• Intake air temperature sensor
(from the air filter case)
EWA14110
WARNING
• 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.
Intake air temperature sensor re-
sistance
2.21–2.69 kΩ at 20 °C (68 °F)
M MMM M MMM M M MMM M M MMM M
a. Connect the pocket tester (Ω × 100) to the in-
take air temperature sensor terminal as
shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
black/blue "1"
• Negative tester probe →
brown/white "2"
1
L LLL L L LLL L LLL
M MMM M M MMM M MMM
8-78
ELECTRICAL COMPONENTS
2
1
b. Measure the intake air temperature sensor
resistance.
L LLL L LLL L L LLL L L LLL L L LLL L L LLL L LLL