Yamaha R1 Series 2015 Service Manual page 693

No. Item
242 ISC
(Stuck at the
upper limit for
adjustment)
243 ISC
(Stuck at the
lower limit for
adjustment)
244 Poor start-
ing/inability to
start
245 Engine stop
Symptom
During idling, the
adjustment is main-
tained at the upper
limit
During idling, the
adjustment is main-
tained at the lower
limit
Poor starting/inability
to start detected
Engine stop detected
9-14
EVENT CODE TABLE
Possible causes
Idling engine speed is
slow
– Clogged throttle body
– Poorly adjusted throt-
tle cable
– Poorly adjusted clutch
cable
– Malfunction in the fuel
injection system
– Dirty or worn spark
plug
– Malfunction in the
battery
– Malfunction in ECU
Idling engine speed is
fast
– Poorly adjusted throt-
tle cable
– Poorly adjusted clutch
cable
– Malfunction in the fuel
injection system
– Dirty or worn spark
plug
– Malfunction in the
battery
– Malfunction in ECU
– No gasoline
– Malfunction in the fuel
injection system
– Dirty or worn spark
plug
– Malfunction in the
battery
– Malfunction in ECU
– No gasoline
– Poorly adjusted throt-
tle cable
– Poorly adjusted clutch
cable
– Malfunction in the fuel
injection system
– Dirty or worn spark
plug
– Malfunction in the
battery
– Malfunction in ECU
Note
– Implement diagnosis
mode D67, and check
the ISC maintenance
request.
– If a fault code is occur-
ring, respond to that
first.
* Rarely, Code 242 occurs
even when the system is
functioning properly.
– If a fault code is occur-
ring, respond to that
first.
* Rarely, Code 243 occurs
even when the system is
functioning properly.
– If a fault code is occur-
ring, respond to that
first.
* Rarely, Code 244 occurs
even when the system is
functioning properly.
– If a fault code is occur-
ring, respond to that
first.
* Rarely, Code 245 occurs
even when the system is
functioning properly.