Yamaha MT-03 Service Manual page 314

Diagnostic
Item
code
Lean angle cut-off switch
D08
Fuel system voltage (bat-
D09
tery voltage)
Sidestand switch
D20
Neutral switch
D21
Ignition coil
D30
Fuel injector
D36
Air induction system
D48
Fuel injection system
relay
D50
Radiator fan motor relay
D51
Headlight relay 1
D52
E2PROM fault code dis-
D60 play
Malfunction history code
display
D61
Malfunction history code
erasure
D62
D70 Control number
Action
Displays the lean angle cut-off switch values.
Displays the fuel system voltage (battery voltage).
Set the engine stop switch to "
Displays that the switch is on or off. (When the gear
is in a position other than neutral.)
Displays that the switch is on or off.
The engine stop switch is set to "
coil operates 5 times every second and the engine
trouble warning light comes on.
• Connect an ignition checker to the spark plug cap.
• If the engine stop switch is set to "
" ", and then set it to " " again.
The engine stop switch is set to "
tor operates 5 times every second and the engine
trouble warning ligh t comes on.
• If the engine stop switch is set to "
" ", and then set it to " " again.
The engine stop switch is set to "
tion system solenoid operates 5 times every second
and the engine trouble warning light comes on.
• If the engine stop switch is set to "
" ", and then set it to " " again.
The engine stop switch is set to "
tion system relay operates 5 times every second
and the engine trouble warning light comes on (on
when relay is operating, off when relay is not operat-
ing).
• If the engine stop switch is set to "
" ", and then set it to " " again.
The engine stop switch is set to "
fan motor relay operates 5 times, 5 seconds each
time (2 seconds on, 3 seconds off), and the engine
trouble warning light comes on.
• If the engine stop switch is set to "
" ", and then set it to " " again.
The engine stop switch is set to "
relay operates 5 times, 5 seconds each time (2 sec-
onds on, 3 seconds off), and the engine trouble
warning light comes on.
• If the engine stop switch is set to "
" ", and then set it to " " again.
• Transmits the abnormal portion of the data in the
E2PROM that has been detected as fault code 44.
• Displays the codes of the history of the self-diag-
nosis malfunctions (i.e., a code of a malfunction
that occurred once and which has been corrected).
• If multiple malfunctions have been detected, differ-
ent codes are displayed at 2-second intervals, and
this process is repeated.
• Displays the total number of codes that are being
detected through self diagnosis and the fault codes
in the past history.
• Erases only the history codes when the engine
stop switch is set to " ". If the engine stop switch
is set to " ", set it to " ", and then set it to "
again.
• Displays the program control number.
7-27
FUEL INJECTION SYSTEM
Data displayed on the
FI diagnostic tool (reference value)
Upright: 0.4 ~ 1.4 V
Overturned: 3.7 ~ 4.4 V
Approximately 12.0 V
".
Stand retracted: On
Stand extended: Off
Neutral: On
In gear: Off
Check that sparks are generated 5
", the ignition
times with the engine stop switch is
set to "
", set it to
", the fuel injec- Check that the operating sound of the
fuel injector is generated 5 times
when the engine stop switch is set to
", set it to " ".
", the air induc- Check that the operating sound of the
air induction system solenoid is gen-
erated 5 times when the engine stop
", set it to switch is set to "
", the fuel injec- Check that the operating sound of the
fuel injection system relay is gener-
ated 5 times when the engine stop
switch is set to "
", set it to
", the radiator Check that the operating sound of the
radiator fan motor relay is generated
and that the radiator fan motor is
operated 5 times when the engine
", set it to stop switch is set to "
", the headlight Check that the operating sound of the
headlight relay is generated and that
the headlight comes on 5 times when
the engine stop switch is set to "
", set it to
01
"00" is displayed when there is no
malfunction.
12 ~ 61
"00" is displayed when there is no
malfunction.
00 ~ 17
"00" is displayed when there is no
malfunction.
"
00 ~ 255
".
".
".
".
".