Yamaha Apex RX10PA 2011 Supplementary Service Manual page 245

Diagnostic
Item
code No.
Cylinder-#3 ignition coil If the grip warmer side of the grip/thumb warmer
d:32
Cylinder-#4 ignition coil If the grip warmer side of the grip/thumb warmer
d:33
Injector #1
d:36
Injector #2
d:37
Injector #3
d:38
Injector #4
d:39
Main relay
d:50
Radiator fan motor
relay
d:51
Headlight relay
d:52
EXUP servo motor
d:53
ISC (idle speed control)
unit
d:54
FUEL INJECTION SYSTEM
Description of action
adjustment switch is pushed, actuates the cylin-
der-#3 ignition coil and displays the self-diagno-
sis warning indicator (five times at one-second
intervals).
adjustment switch is pushed, actuates the cylin-
der-#4 ignition coil and displays the self-diagno-
sis warning indicator (five times at one-second
intervals).
If the grip warmer side of the grip/thumb warmer
adjustment switch is pushed, actuates injector
#1 and displays the self-diagnosis warning indi-
cator (five times at one-second intervals).
If the grip warmer side of the grip/thumb warmer
adjustment switch is pushed, actuates injector
#2 and displays the self-diagnosis warning indi-
cator (five times at one-second intervals).
If the grip warmer side of the grip/thumb warmer
adjustment switch is pushed, actuates injector
#3 and displays the self-diagnosis warning indi-
cator (five times at one-second intervals).
If the grip warmer side of the grip/thumb warmer
adjustment switch is pushed, actuates injector
#4 and displays the self-diagnosis warning indi-
cator (five times at one-second intervals).
If the grip warmer side of the grip/thumb warmer
adjustment switch is pushed, actuates the fuel
injection system relay and displays the self-diag-
nosis warning indicator (five times at one-sec-
ond intervals). (The indicator is off when the
relay is on and it is on when the relay is off.)
If the grip warmer side of the grip/thumb warmer
adjustment switch is pushed, actuates the radia-
tor fan motor relay and displays the self-diagno-
sis warning indicator (for five cycles of five
seconds each). (The relay and indicator are on
for two seconds and off for three seconds.)
If the grip warmer side of the grip/thumb warmer
adjustment switch is pushed, actuates the head-
light relay (on/off) and displays the self-diagno-
sis warning indicator (for five cycles of five
seconds each). (The relay and indicator are on
for two seconds and off for three seconds.)
Actuate the servo motor turns to open side and
to close side and then stop standard position for
appoximately 3 seconds. Illuminates the engine
trouble warning light only while the motor is run-
ning.
Actuate the ISC (idle speed control) valve to
close side and to open side and then stop stan-
dard position for approximately 3 seconds.
102
FI
Checking method
or meter display
After pushing the switch,
check that a spark is produced
five times.
After pushing the switch,
check that a spark is produced
five times.
After pushing the switch,
check that the injector oper-
ates five times by listening to
its operating sound.
After pushing the switch,
check that the injector oper-
ates five times by listening to
its operating sound.
After pushing the switch,
check that the injector oper-
ates five times by listening to
its operating sound.
After pushing the switch,
check that the injector oper-
ates five times by listening to
its operating sound.
After pushing the switch,
check that the fuel injection
system relay operates five
times by listening to its operat-
ing sound.
After pushing the switch,
check that the radiator fan
motor relay operates five times
by listening to its operating
sound.
After pushing the switch,
check that the headlight relay
operates five times by listening
to its operating sound. (At that
time, the headlight and taillight
come on.)
Check the operating sound of
the EXUP servo motor.
After pushing the switch,
check that the ISC unit
vibrates. The ISC vibrates
when the ISC valve operates.