Specifications - Yamaha 2011 FZ8NA(C) Service Manual

b. Connect the digital circuit tester (DCV) to
the test harness S-pressure sensor 5S7
(3P).
Digital circuit tester
90890-03174
Model 88 Multimeter with
tachometer
YU-A1927
Test harness S- pressure sen-
sor 5S7 (3P)
90890-03211
YU-03211
• Positive tester probe
Pink (wire harness color)
• Negative tester probe
Black/blue (wire harness color)
c. Set the main switch to "ON".
d. Measure the atmospheric pressure sensor
output voltage.
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EAS28390
CHECKING THE CYLINDER IDENTIFICA-
TION SENSOR
1. Check:
• Cylinder identification sensor output volt-
age
Out of specification → Replace.
Cylinder identification sensor
output voltage (ON)
More than 4.8 V
Cylinder identification sensor
output voltage (OFF)
Less than 0.8 V
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a. Connect the test harness-speed sensor
(3P) "1" to the speed sensor coupler and
wire harness as shown.
ELECTRICAL COMPONENTS
b. Connect the pocket tester (DC 20 V) to the
test harness-speed sensor (3P).
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
Test harness- speed sensor (3P)
90890-03208
YU-03208
• Positive tester probe
White/black (wire harness color)
• Negative tester probe
Black/blue (wire harness color)
c. Set the main switch to "ON".
d. Rotate the crankshaft.
e. Measure the voltage. With each full rotation
of the crankshaft, the voltage reading
should cycle from 0.8 V to 4.8 V to 0.8 V to
4.8 V.
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EAS28411
CHECKING THE INTAKE AIR PRESSURE
SENSOR
1. Check:
• Intake air pressure sensor output voltage
Out of specification → Replace.
Intake air pressure output volt-
age
3.594–3.684 V at 101.32 kPa,
25 °C (77 °F)
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a. Connect the test harness S-pressure sen-
sor 5S7 (3P) "1" to the intake air pressure
sensor and wire harness as shown.
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