Yamaha XT660R S Service Manual page 355

Diagnostic
Item
code
Lean angle cut-off switch
08
Fuel system voltage (bat-
09
tery voltage)
Sidestand switch
20
Neutral switch
21
Ignition coil
30
Fuel injector
36
Air induction system
48
Fuel injection system
relay
50
Radiator fan motor relay
51
Headlight relay 1
52
E2PROM fault code dis-
60 play
Malfunction history code
display
61
Malfunction history code
erasure
62
70 Control number
FUEL INJECTION SYSTEM
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 "
The engine stop switch is set to "
tor 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 "
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 "
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 "
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 "
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 "
• 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 "
is set to " ", set it to "
again.
• Displays the program control number.
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Action
".
", the ignition
", set it to
" again.
", the fuel injec-
", set it to
" again.
", the air induc-
", set it to
" again.
", the fuel injec-
", set it to
" again.
", the radiator
", set it to
" again.
", the headlight
", set it to
" again.
". If the engine stop switch
", and then set it to " "
FI
Data displayed on meter
(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
times with the engine stop switch is
set to " ".
Check that the operating sound of the
fuel injector is generated 5 times
when the engine stop switch is set to
" ".
Check that the operating sound of the
air induction system solenoid is gen-
erated 5 times when the engine stop
switch is set to " ".
Check that the operating sound of the
fuel injection system relay is gener-
ated 5 times when the engine stop
switch is set to " ".
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
stop switch is set to " ".
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 "
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
".