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FI
FUEL INJECTION SYSTEM
FUEL INJECTION SYSTEM
FUEL INJECTION SYSTEM
ECU’S SELF-DIAGNOSTIC FUNCTION
Engine trouble warning light indication and FI system operating conditions (normal mode)
Warning light
indication
ECU’s operating
condition
FI operating condition Starting and driving
ON and OFF *1 Self-diagnostic func-
tion in operation
FI function in operation Able
Blinking *2 Warning control when
unable to start engine
Operation stopped Unable
Continuous ON Detecting malfunction Gives driving instruc-
tions with substitute
characteristics in accor-
dance with the descrip-
tion of the malfunction.
Able/Unable depend-
ing on self-diagnostic
fault code
OFF *3 Possibly a blown warn-
ing light bulb or a mal-
function in power
supply system or ECU
*1
The warning light illuminates 1.4 seconds each
time the main switch is turned ON. The ECU
performs a self diagnosis during this time and
turns OFF the light thereafter.
*2
Warning control when unable to start engine
This control is effected when any one of the
conditions listed below is present and the
starter switch is turned ON:
a. Battery voltage below the specified value
(defective fuel injection system relay, engine
stop switch turned OFF, or drained battery)
b. One of the fault codes listed below has
been detected (self-diagnostic code 12, 19,
30, 33, 34, 41, or 50 is output):
(12: faulty crankshaft position sensor sig-
nal)
(19: open circuit in sidestand input line)
(30: motorcycle has fallen over)
(33, 34: faulty ignition)
(41: open or short circuit in lean angle cut-
off switch)
(50: ECU memory check error)
Main switch
OFF
Main switch
ON
Light ON for
1.4 seconds
Light
OFF
Light
OFF
Initialize
Engine trouble
warning light
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