Yamaha XV19SX(C) Service Manual page 430

Diag-
nostic
Item
code
No.
70 Control number
Actuator operation table
Diag-
nostic
Item
code
No.
Cylinder-#1 left or right ig-
30
nition coil
Cylinder-#2 left or right ig-
31
nition coil
Cylinder-#1 left or right ig-
32
nition coil
Cylinder-#2 left or right ig-
33
nition coil
36 Injector #1
37 Injector #2
50 Fuel pump relay
FUEL INJECTION SYSTEM
Meter display
0–255
Actuation
Actuates the cylinder-#1 left
or right ignition coil five times
at one-second intervals.
Illuminates the engine trou-
ble warning light.
Actuates the cylinder-#2 left
or right ignition coil five times
at one-second intervals.
Illuminates the engine trou-
ble warning light.
Actuates the cylinder-#1 left
or right ignition coil five times
at one-second intervals.
Illuminates the engine trou-
ble warning light.
Actuates the cylinder-#2 left
or right ignition coil five times
at one-second intervals.
Illuminates the engine trou-
ble warning light.
Actuates the injector #1 five
times at one-second inter-
vals.
Illuminates the engine trou-
ble warning light.
Actuates the injector #2 five
times at one-second inter-
vals.
Illuminates the engine trou-
ble warning light.
Actuates the fuel pump relay
five times at one-second in-
tervals.
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).
7-39
Checking method
—
Checking method
Check the spark five times.
• Connect an ignition
checker.
Check the spark five times.
• Connect an ignition
checker.
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 five times.
Check the operating sound
of the injector #2 five times.
Check the operating sound
of the fuel pump relay five
times.