Checking The Crankshaft Position Sensor; Checking The Lean Angle Sensor - Yamaha TMAX 2020 Service Manual

EAS30560
CHECKING THE CRANKSHAFT POSITION
SENSOR
1. Disconnect:
• Crankshaft position sensor coupler
(from the wire harness)
2. Check:
• Crankshaft position sensor resistance
Out of specification  Replace the crank-
shaft position sensor/stator assembly.
Crankshaft position sensor
resistance
228–342 
a. Connect the digital circuit tester () to the
crankshaft position sensor coupler as
shown.
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with
tachometer
YU-A1927
• Positive tester probe 
Gray "1"
• Negative tester probe 
Black "2"
b. Measure the crankshaft position sensor
resistance.
EAS30561

CHECKING THE LEAN ANGLE SENSOR

1. Remove:
• Lean angle sensor
(from the bracket.)
2. Check:
• Lean angle sensor output voltage
Out of specification  Replace.
ELECTRICAL COMPONENTS
Operating angle
65 
Output voltage up to operating
angle
0.4–1.4 V
Output voltage over operating
angle
3.7–4.4 V
a. Connect the test harness– lean angle sen-
sor (6P) "1" to the lean angle sensor and
wire harness as shown.
b. Connect the digital circuit tester (DC V) to
the test harness– lean angle sensor (6P).
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with
tachometer
YU-A1927
Test harness– lean angle sensor
(6P)
90890-03209
Test harness– lean angle sensor
(6P)
YU-03209
• Positive tester probe 
Yellow/Green (wire harness color)
• Negative tester probe 
Black/Blue (wire harness color)
G089053
c. Push the ON/start switch.
d. When turn the lean angle sensor to 65.
e. Measure the lean angle sensor output volt-
age.
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