Yamaha 2002 TDM900 Service Manual page 373

Actuator operation table
Diagnostic
monitoring Item
code No.
30 Ignition coil #1
31 Ignition coil #2
36 Injector #1
37 Injector #2
48 AI system solenoid
49 Intake solenoid
50 Fuel injection system
relay
51 Radiator fan motor
relay
52 Headlight relay
* If the engine stop switch is ON, turn it OFF once, and then turn it back ON.
FUEL INJECTION SYSTEM
Actuation
Actuates the ignition coils #1 for five times
every second.
Illuminates the engine trouble warning light
Actuates the ignition coils #2 for five times
every second.
Illuminates the engine trouble warning light.
Actuates the injector #1 for five times every
second.
Illuminates the engine trouble warning light.
Actuates the injector #2 for five times every
second.
Illuminates the engine trouble warning light.
Actuates the AI system solenoid for five times
every second.
Illuminates the engine trouble warning light.
Actuates the intake solenoid for five times
every second.
Illuminates the engine trouble warning light.
* Actuators may operate once or twice
immediately after the engine stopped or
cranking was performed.
Actuates the fuel injection system relay for five
times every second.
Illuminates the engine trouble 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 seconds, OFF 3 seconds)
Illuminates the engine trouble warning light.
Actuates the headlight relay for five times
every five-second.
(ON 2 seconds,, OFF 3 seconds)
Illuminates the engine trouble warning light.
7-10
FI
Checking method
Check the spark five times.
S Connect an ignition checker.
Check the spark five times.
S 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 AI system solenoid five
times.
Check the operating sound of
the intake 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.