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GEN
INFO
FEATURES
Intake air pressure sensor and atmospheric pressure sensor
• Intake air pressure sensor
The intake air pressure sensor is used for measuring the intake air volume. The intake air volume of
every intake stroke is proportionate to the intake air pressure. Therefore, the intake air volume can be
measured by measuring the intake air pressure. The intake air pressure sensor converts the mea-
sured intake air pressure into electrical signals and sends those signals to the ECU. When the intake
air pressure is introduced into the sensor unit, which contains a vacuum chamber on one side of the
silicon diaphragm, the silicon chip that is mounted on the silicon diaphragm converts the intake air
pressure into electrical signals. Then, an integrated circuit (IC) amplifies and adjusts the signals and
makes temperature compensations, in order to generate electrical signals that are proportionate to
the pressure.
• Atmospheric pressure sensor
The atmospheric pressure sensor is used for making compensations to the changes in the air
density caused by the changes in the atmospheric pressure (particularly at high altitudes). The
operating principle and function of the atmospheric pressure sensor are the same as those of the
aforementioned intake air pressure sensor.
1
EMI shield
2
Sensor unit
3
Through condenser
4
Hybrid IC
5
Cap
6
Silicon diaphragm
7
Vacuum chamber
8
Solder
9
Silicon chip
0
Gold wire
A
Lead pin
B
Stem
C
Pressure induction pipe
D
Atmospheric pressure,
intake air pressure
È
Output voltage
É
Input pressure
P
(V)
Summary of Contents for FJR1300
Page 1: ...LIT 11616 16 18 5JW 28197 10 FJR1300R FJR1300RC SERVICE MANUAL ...
Page 6: ......
Page 82: ...2 22 SPEC TIGHTENING TORQUES Cylinder head tightening sequence Crankcase tightening sequence ...
Page 89: ...2 29 SPEC 1 Crankshaft 2 Main axle 3 Drive axle OIL FLOW DIAGRAMS ...
Page 90: ...2 30 SPEC 1 Oil nozzle 2 Main gallery bolt 3 Crankshaft OIL FLOW DIAGRAMS ...
Page 91: ...2 31 SPEC 1 Main axle 2 Drive axle 3 Oil delivery pipe OIL FLOW DIAGRAMS ...
Page 92: ...2 32 SPEC 1 Exhaust camshaft 2 Oil check bolt 3 Intake camshaft OIL FLOW DIAGRAMS ...
Page 94: ...2 34 SPEC 1 Crank pin 2 Crankshaft OIL FLOW DIAGRAMS ...
Page 97: ...2 37 SPEC 1 Main axle 2 Drive axle 3 Middle drive shaft OIL FLOW DIAGRAMS ...
Page 98: ...2 38 SPEC COOLING SYSTEM DIAGRAMS 1 Radiator COOLING SYSTEM DIAGRAMS ...
Page 99: ...2 39 SPEC 1 Water jacket joint 2 Oil cooler COOLING SYSTEM DIAGRAMS ...
Page 101: ...2 41 SPEC 1 Coolant reservoir 2 Radiator 3 Water pump COOLING SYSTEM DIAGRAMS ...
Page 107: ...2 47 SPEC CABLE ROUTING 1 Tail brake light lead ...
Page 196: ...3 80 CHK ADJ ADJUSTING THE HEADLIGHT BEAMS ...
Page 288: ...4 92 CHAS 3 Install bearing 1 to the swingarm Installed depth a 4 0 mm 0 16 in SWINGARM ...
Page 531: ...8 35 ELEC LIGHTING SYSTEM ...
Page 570: ......
Page 571: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U S A ...