2005 YAMAHA VX110 engine

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–+ELECINDICATION SYSTEM
OIL PRESSURE SWITCH
1. Measure:
Oil pressure switch continuity
Out of specification → Replace.
Lower unit pressure/vacuum
tester:
YB-35956-A
Vacuum/pressure pump gauge
set:
90890-06756
Oil pressure switch continuity
pressure:
128 kPa (1.28 kgf/cm
2, 18.6 psi) –
167 kPa (1.67 kgf/cm2, 24.2 psi)
MULTIFUNCTION METER
Multifunction meter
1. Check:
Multifunction meter
Cracked meter housing → Replace the
multifunction meter.
Meter is fogged/shows signs of water
intrusion → Replace the multifunction
meter.
MULTIFUNCTION METER REMOVAL
Refer to “ENGINE HATCH COVER” in
Chapter 8.
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–+ELECINDICATION SYSTEM
Tachometer display
1. Check:
Tachometer display
Does not display → Check the engine
speed using the “Engine monitor” of the
Yamaha Diagnostic System.
Replace the multifunction meter.
Hour meter display
1. Check:
Hour meter display
Does not display → Replace the multi-
function meter.
Voltage meter display
1. Check:
Voltage meter display
Does not display → Check the battery
voltage using the “Engine monitor” of
the Yamaha Diagnostic System.
Replace the multifunction meter.
Low oil pressure warning indicator
1. Check:
Low oil pressure warning indicator
Does not come on → Check the oil pres-
sure switch using the “Engine monitor”
of the Yamaha Diagnostic System.
Replace the multifunction meter.
Fuel level meter display and fuel warning
indicator
1. Check:
Fuel level meter display and fuel warn-
ing indicator
Do not display → Measure the fuel
sender resistance.
If the fuel sender resistance is within
specification, replace the multifunction
meter.
2. Measure:
Fuel sender resistance
Refer to “FUEL CONTROL SYSTEM”.
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–+ELECINDICATION SYSTEM
Overheat warning indicator
1. Check:
Overheat warning indicator
Does not come on → Replace the multi-
function meter.
Checking steps:
Start the engine.
Disconnect the thermoswitch (engine)
connector 1 (blue), engine temperature
sensor connector 2 (black), or ther-
moswitch (exhaust) 3 connector.
Connect the jumper lead to the female
terminal of the disconnected connector.
Check that the multifunction meter over-
heat warning indicator blinks, then comes
on. The buzzer also begins to sound
intermittently, then sounds continuously.
3
12
Check engine warning indicator
1. Check:
Check engine warning indicator
Does not come on → Replace the multi-
function meter.
Checking steps:
Start the engine.
Disconnect the coupler of a sensor (e.g.,
engine temperature sensor) that normally
activates the check engine warning indi-
cator when a malfunction occurs.
Check that the warning light and check
engine warning indicator begin to blink
and the buzzer sounds intermittently.
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–+ELEC
Diagnostic display
1. Check:
Diagnostic display
Does not display → Replace the multi-
function meter.
Checking steps:
Start the engine.
Disconnect the coupler of a sensor (e.g,.
engine temperature sensor) that is nor-
mally displayed when a malfunction
occurs. Refer to “SELF-DIAGNOSIS” in
Chapter 9.
Check that the check engine warning
indicator comes on and that the buzzer
sounds.
Press the select switch 1 for 8 seconds
and check the error code indicated on the
multifunction meter.
1
INDICATION SYSTEM
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–+ELEC
REMOTE CONTROL SYSTEM
(DELUXE MODEL ONLY)
REMOTE CONTROL SYSTEM (DELUXE MODEL ONLY)
WIRING DIAGRAM
WBrBRFREE
PUSHBWFREE
PUSH
Br BrFREE
PUSHBW
BrBrBrBrR
R
10A
10A
3A
30A20A
RR
BBR
BBr
BBr
WW
WLR
Y
Y
Y
WR/Y
B
B
Pu/RPu/B
Pu/GPu/Y
W/B
GyB
B
BBBBBB
R
Y
R/Y
R/Y
B/LL/YL/B
R/YPu/G
Pu/Y
Pu/B
Pu/RR/Y
R/YR/YR/YR/YR/Y
YY
LR
BBB
B
BR
BGyRW
B/LL/R
L/RL/B
L/YL/BW/B
Br
GyBrL/R
6
6 6 6
7
8 90
4 3
5 2 C
BD
1 A
È
1Battery
2Fuse (30 A)
3Fuse (20 A)
4Fuse (3 A)
5Starter relay
6Fuel injector
7Remote control unit
8Antenna
9ECM0Buzzer
AMultifunction meter
BStart switch
CEngine stop switch
DEngine shut-off
switch
ÈTo entry boxB: Black
Br : Brown
Gy : Gray
L: Blue
R: Red
W: White
Y: Yellow
B/L : Black/blue
L/B : Blue/blackL/R : Blue/red
L/Y : Blue/yellow
Pu/B : Purple/black
Pu/G : Purple/green
Pu/R : Purple/red
Pu/Y : Purple/yellow
R/Y : Red/yellow
W/B : White/black
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7-59
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–+ELEC
REMOTE CONTROL SYSTEM
(DELUXE MODEL ONLY)
REMOTE CONTROL SYSTEM
Yamaha Security System indicator
1. Check:
Yamaha Security System indicator
Check that the “SECURITY” indicator
light 1 comes on when the Yamaha
Security System is deactivated (i.e., the
engine can be started).
Does not come on → Measure the
remote control unit output voltage.
2. Measure:
Remote control unit output voltage
Within specification → Replace the mul-
tifunction meter.
Out of specification → Replace the
remote control unit.
Remote control unit output
voltage:
Blue/yellow (L/Y) – ground
11–13 V
Measurement steps:
Disconnect the remote control unit 1
coupler from the multifunction meter.
Measure the remote control unit output
voltage while pushing the unlock button
of the remote control transmitter.
1
1
L/Y
1
Low-rpm mode indicator
1. Check:
Low-rpm mode indicator
Does not come on → Replace the multi-
function meter.
Checking steps:
Press the unlock button 1 of the remote
control transmitter for more than 4 sec-
onds to select the low-rpm mode.
Check that the beeper sounds three
times and that the “L-MODE” indicator
light 2 comes on.
1
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7-60
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–+ELEC
REMOTE CONTROL SYSTEM
(DELUXE MODEL ONLY)
Checking the remote control transmitter
1. Check:
Remote control transmitter
Does not operate → Replace the remote
control transmitter.
Checking steps:
CAUTION:
If the buttons on the remote control
transmitter are pushed but the transmit-
ter does not operate, the battery may be
low.
Press the lock button 1 of the remote
control transmitter. The beeper sounds
once.
Check that the “SECURITY” indicator
light goes off and that the engine cannot
be started.
Press the unlock button 2 of the remote
control transmitter for a short time. The
beeper sounds two or three times.
Check that the “SECURITY” indicator
light comes on and that the engine can
be started.
Press the unlock button for more than 4
seconds to select the low-rpm mode.
Check that the beeper sounds three
times and that the “L-MODE” indicator
light comes on.
Number of
beepsYamaha
Security
System modeEngine
startability
1 beep Lock Unable
2 beepsUnlock
(normal mode)Able
3 beepsUnlock
(low-rpm
mode)Able
12
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–+ELEC
REMOTE CONTROL SYSTEM
(DELUXE MODEL ONLY)
NOTE:
If the start switch or the remote control
transmitter is not operated for more than
25 seconds, the multifunction meter dis-
play and the “L-MODE” indicator light will
go off. To change the modes again, press
the lock button for a short time, and then
start the procedures from the lock mode.
While the engine is running, input is not
received from the remote control transmit-
ter.
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