Yamaha R1 Series 2015, Service Manual

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SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
(ECU)
9-7
EAS31057
DIAGNOSTIC CODE: SENSOR OPERATION TABLE
Diagnostic
code No.
Item Meter display Procedure
01 Throttle position sensor sig-
nal 1
•
Fully closed position 11–21 Check with throttle valves
fully closed.
•
Fully open position 96–106 Check with throttle valves
fully open.
02 Atmospheric pressure Displays the atmospheric
pressure.
Compare the actually mea-
sured atmospheric pressure
with the meter display value.
03 Intake air pressure Displays the intake air pres-
sure.
Operate the throttle while
pushing the “ ” side of the
start/engine stop switch. (If
the display value changes,
the performance is OK.)
05 Air temperature Displays the air temperature. Compare the actually mea-
sured air temperature with
the meter display value.
06 Coolant temperature When engine is cold: Dis-
plays temperature closer to
air temperature.
When engine is hot: Displays
current coolant temperature.
Compare the actually mea-
sured coolant temperature
with the meter display value.
07 Rear wheel vehicle speed
pulses
Rear wheel speed pulse
0–999
Check that the number
increases when the rear
wheel is rotated. The number
is cumulative and does not
reset each time the wheel is
stopped.
09 Fuel system voltage
(battery voltage)
Fuel system voltage
Approximately 12.0
Set the start/engine stop
switch to “ ”, and then com-
pare the actually measured
battery voltage with the
meter display value. (If the
actually measured battery
voltage is low, recharge the
battery.)
13 Throttle position sensor sig-
nal 2
•
Fully closed position 9–23 Check with throttle valves
fully closed.
•
Fully open position 94–108 Check with throttle valves
fully open.
14 Accelerator position sensor
signal 1
•
Fully closed position 12–22 Check with throttle grip fully
closed position.
•
Fully open position 97–107 Check with throttle grip fully
open position.