YEC ’04 YZF-R1 User Manual

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Failure
code
Item Major cause of failure Engine
operation
35 Ignition failure
of #3 cylinder
• Broken line between ignition coil and ECU
• Failure in ignition coil interior
Possible
36 Ignition failure
of #4 cylinder
• Broken line between ignition coil and ECU
• Failure in ignition coil interior
Possible
41 Overturn sensor
(broken/short circuit)
• Wire broken/short circuit between overturn sensor and
ECU
• Overturn sensor failure
Possible
43 Failure of fuel system
power (monitor
voltage)
• Wire broken/short circuit between main relay and ECU
• Broken ECU voltage monitor wire
• Main relay failure
Possible
46 Abnormal power for
vehicle system
• Failure of charging system
• Failure in ACM or regulator
Possible
47 Sub-throttle sensor
(broken/short circuit)
• Broken/short circuited line between sub-throttle sensor
and ECU
• Failure in sub-throttle sensor
Possible
48 Sub-throttle motor
(stuck)
• Broken/shorted line between sub-throttle motor and ECU
• Failure of sub-throttle motor
• Failure of sub-throttle mechanism
Possible
50 ECU interior failure
(abnormal ROM data)
• ECU interior data error Impossible

YEC ’04 YZF-R1 Specifications

General

Brand	YEC
Model	’04 YZF-R1
Category	Motorcycle
Language	English