Yamaha YZFR6X(C) 2008 Service Manual page 371

Diag-
nostic
Item
code
No.
43 Secondary injector #4
Air induction system sole-
48
noid
50 Fuel injection system relay
51 Radiator fan motor relay
52 Headlight relay
53 EXUP servo motor
FUEL INJECTION SYSTEM
Actuation
Actuates the secondary injec-
tor #4 five times at one-sec-
ond intervals.
Illuminates the engine trou-
ble warning light.
Actuates the air induction
system solenoid five times at
one-second intervals.
Illuminates the engine trou-
ble warning light.
Actuates the fuel injection
system relay five times at
one-second intervals.
Illuminates the engine trou-
ble warning light.
(The engine trouble warning
light is OFF when the relay is
ON, and the engine trouble
warning light is ON when the
relay is OFF).
Actuates the radiator fan
motor relay five times at one-
second intervals. (ON 2 sec-
onds, OFF 3 seconds)
Illuminates the engine trou-
ble warning light.
Actuates the headlight relay
five times at one-second
intervals. (ON 2 seconds,
OFF 3 seconds)
Illuminates the engine trou-
ble warning light.
Actuates the servo motor
(turns to open side and to
closed side).
Illuminates the engine trou-
ble warning light.
8-48
Checking method
Check the operating sound
of the secondary injector #4
five times.
Check the operating sound
of the air induction system
solenoid five times.
Check the operating sound
of the fuel injection system
relay five times.
Check the operating sound
of the radiator fan motor
relay five times.
Check the operating sound
of the headlight relay five
times.
Check the operating sound.