Yamaha FZS6W Service Manual page 343

Actuator operation table
Diag-
nostic
Item
code
No.
30 Ignition coil #1/#4
31 Ignition coil #2/#3
36 Injector #1/#4
37 Injector #2/#3
48 AI system solenoid
50 Fuel injection system relay
51 Radiator fan motor relay
52 Headlight relay
FUEL INJECTION SYSTEM
Actuation
Actuates the ignition coils #1,
#4 for five times every sec-
ond.
Illuminates the engine trou-
ble warning light.
Actuates the ignition coils #2,
#3 for five times every sec-
ond.
Illuminates the engine trou-
ble warning light.
Actuates the injector #1/#4
for five times every second.
Illuminates the engine trou-
ble warning light.
Actuates the injector #2/#3
for five times every second.
Illuminates the engine trou-
ble warning light.
Actuates the AI system sole-
noid for five times every sec-
ond.
Illuminates the engine trou-
ble warning light.
Actuates the fuel injection
system relay for five times
every second.
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 for five cycles
every five-second. (ON 2 sec-
onds, OFF 3 seconds)
Illuminates the engine trou-
ble warning light.
Actuates the headlight relay
for five times every five-sec-
ond. (ON 2 seconds, OFF 3
seconds)
Illuminates the engine trou-
ble warning light.
8-42
Checking method
Check the spark five times.
• Connect an ignition
checker.
Check the spark five times.
• Connect an ignition
checker.
Check the operating sound
of the injector #1/#4 five
times.
Check the operating sound
of the injector #2/#3 five
times.
Check the operating sound
of the AI 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.