Page 265 of 347
7-38
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–+ELECSTARTING SYSTEM
STARTER RELAY
1. Inspect:
Brown lead terminal
Black lead terminal
Loose →
Tighten.
2. Check:
Starter relay
Faulty →
Replace.
Checking steps:
Connect the tester leads between the
starter relay terminals as shown.
Connect the brown lead terminal to the
positive battery terminal.
Connect the black lead terminal to the
negative battery terminal.
Check that there is continuity between
the starter relay terminals.
Check that there is no continuity after the
brown or black lead is removed.
Br
B
REMOTE CONTROL UNIT
(DELUXE MODEL ONLY)
Refer to “REMOTE CONTROL SYS-
TEM (DELUXE MODEL ONLY)”.
THROTTLE POSITION SENSOR
Refer to “IGNITION SYSTEM”.
ACCELERATOR POSITION SENSOR
Refer to “IGNITION SYSTEM”.
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7-48
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–+ELECINDICATION SYSTEM
INDICATION SYSTEM
WIRING DIAGRAM
10A
10A
3A
30A20A
RR
BBR
BBr
BBr
B/OW/B
B/O
B/O
WR
Y
G
O
BW
Y
W
G/OW/B
Y/GR/Y
B
PB
Pu/RPu/B
Pu/GPu/Y
P/W
B/G
R/Y
W/B
B/Y
Y/WL/R
B/RB/W
B
B
BBP
P
PBBP
R/Y
B/G
G/OB/OG/O
P/W
B/OB/YB/YR/Y
R/Y
R/Y
B/LL/YL/B
R/YPu/G
Pu/Y
Pu/B
Pu/RR/Y
R/Y
R/Y
R/YB/YR/Y
R/Y
B/O
B/RR/Y
R/Y
R/YY/W
Y/GL/R
Y
P
P
O
O
R
R
R
B
G
BR
Y
B/YR/W
BRW
P
PB
B/LL/R
L/RL/B
B/WR
BW/BR/YL/RL/YL/B Gy B/G
YB/YR/Y
98
A
A A
A
G
G GG
H IJ K4 3
5
67 2 1
0
0 0
0
B
C
D
E
F LM
N
1Battery
2Fuse (30 A)
3Fuse (20 A)
4Fuse (3 A)
5Fuse (10 A)
6Fuse (10 A)
7Starter relay
8Main and fuel pump relay9Electronic control throttle valve
relay
0Ignition coil
ASpark plug
BCam position sensor
CEngine temperature sensor
DThermoswitch (engine)
EThermoswitch (exhaust)
FOil pressure switchGFuel injector
HRemote control unit
(Deluxe model only)
IECM
JPickup coil
KBuzzer
LFuel sender
MSpeed sensor
NMultifunction meter
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7-50
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–+ELECINDICATION SYSTEM
FUSE
Refer to “STARTING SYSTEM”.
BATTERY
Refer to “ELECTRICAL” in Chapter 3.
MAIN AND FUEL PUMP RELAY
Refer to “IGNITION SYSTEM”.
ECM
Refer to “IGNITION SYSTEM”.
ENGINE TEMPERATURE SENSOR
Refer to “IGNITION SYSTEM”.
THERMOSWITCH (ENGINE)
Refer to “IGNITION SYSTEM”.
THERMOSWITCH (EXHAUST)
Refer to “IGNITION SYSTEM”.
REMOTE CONTROL UNIT
(DELUXE MODEL ONLY)
Refer to “REMOTE CONTROL SYS-
TEM (DELUXE MODEL ONLY)”.
BUZZER
1. Check:
Buzzer
Buzzer does not sound → Replace.
Checking steps:
Connect the battery (12 V) to the buzzer
coupler as shown.
Battery positive terminal →
Red (R) terminal 1
Battery negative terminal →
Black (B) terminal 2
ProCarManuals.com
Page 285 of 347
7-58
E
–+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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Page 286 of 347

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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7-61
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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.
ProCarManuals.com
Page 340 of 347
9-7
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TRBL
ANLS
TROUBLE ANALYSIS
Starting system
Start switch 7
Starter relay 7
Starter motor 7
Charging system
Lighting coil 7
Rectifier/regulator 7
Fuses 7
Battery leads—
Battery 3
Remote control system (Deluxe model only)
Remote control unit 7
HULL AND HOOD
Steering column 8
Water lock 8
Exhaust hose 8
Muffler 8
Drain plugs 8 Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOW OIL PRESSURE
LOOSE STEERING
BILGE INCREASE
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative partReference
chapter
ProCarManuals.com