FI
Engine trouble warning light indication and fuel injection system operation
W arning light
indication
ECU operation
Fuel injection operation
Vehicle operation
Flashing
*
W arning provided
when unable to
start engine
O peration stopped
Cannot be operated
Remains on
Malfunction
detected
O perated with substitute
characteristics in
accordance with the
description of the
malfunction
Can or cannot be
operated depending on
the fault code
6-4
*
The warning light flashes when any one of the conditions listed below is present and the start
switch is pushed:
12:
Crankshaft position sensor
13:
Intake air pressure sensor
(open or short circuit)
14:
Intake air pressure sensor
(hose line)
15:
Throttle position sensor
(open or short circuit)
16:
Throttle position sensor
(stuck)
30:
Lean angle sensor
(latch up detected)
33:
Faulty ignition
39:
Fuel injector
(open or short circuit)
41:
Lean angle sensor
(open or short circuit)
50:
ECU internal malfunction
(memory check error)
FUEL INJECTION SYSTEM
Summary of Contents for YBR250 2007
Page 1: ...YBR250 SERVICE MANUAL 5D1 F8197 E0 2007 ...
Page 2: ......
Page 359: ...YAMAHA MOTOR DA AMAZÔNIA LTDA ...
