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YEC ’04 YZF-R1 User Manual

YEC ’04 YZF-R1
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- 22 -
Diagnosis Function (Status Checking Function)
(1) Function
To help users with troubleshooting and maintenance, sensor output display
and actuator operation are made possible without the use of special tools or
measuring instruments.
(2) Procedure
Transfer to diagnostic mode as follows:
Hold down "RESET" and "SELECT" buttons on meter and turn on the main
switch. Continue holding the buttons down, until "F0" appears on meter.
When "F0" appears on meter, press "SELECT" to switch to "DIAG" and confirm
by simultaneously pressing down "SELECT" and "RESET" buttons.
Using "RESET" or "SELECT", switch to destination diagnostic code.
(3) Operation
The following describes the operation of each diagnostic code in ECU.
* NOTE: Remove the fuel pump coupler while codes 36 to 39 are in
operation to prevent fuel from being injected.
Code selected Item Description
01 Throttle sensor
Displays throttle sensor input value in angle.
Fully closed throttle "15 to 18" degrees, fully open throttle
approx. "95" degrees.
02 Atmospheric pressure sensor
Displays atmospheric pressure in Kpa.
Approx. "101" Kpa at normal altitudes.
03 Intake pressure sensor
Displays intake vacuum in Kpa.
Displays atmospheric pressure when crankshaft is at rest.
Less than atmospheric pressure during starting motor cranking.
05 Intake temp. sensor Displays sensor-detected temp. in °C.
06 Water temp. sensor Displays sensor-detected temp. in °C.
07 Vehicle speed sensor Displays integrating number of sensor detected pulses.
08 Overturn sensor
Displays sensor output voltage.
Erected "0.4 to 1.4" V
Overturned "3.7 to 4.4" V
Line broken "5.0" V
09 Monitor voltage
Displays battery voltage when engine switch is turned on.
Approx. "12" V when engine is at rest.
20 Shifter switch
Displays state of speed shift switch in ON/OFF.
ON: Shift switch is on.
OFF: Shift switch is off.
21 Select switch
Displays state of select switch in ON/OFF.
ON: SB (selects MAP in Super Bike specification.)
OFF: ST (selects MAP in Stock Sports specification.)
30 Ignition coil #1
Turning the engine switch off and on activates the ignition coil 5
times.
31 Ignition coil #2
32 Ignition coil #3
33 Ignition coil #4

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YEC ’04 YZF-R1 Specifications

General IconGeneral
BrandYEC
Model’04 YZF-R1
CategoryMotorcycle
LanguageEnglish