Page 239 of 347

7-12
E
–+ELECIGNITION SYSTEM
IGNITION SYSTEM
WIRING DIAGRAM
10A
10A
3A
30A20A
WBrBRFREE
PUSHBWFREE
PUSH
Br BrFREE
PUSH
BW
W
BrBrBrBrR
W
B/W
B/O
B/O
B/O
B/R
P/R
P/R
W/B
P/W
P/W
B/O
L/B
B/WB/R
B/OP/W
P/R
W
W
WLR
Y
G
O
O
W
GG
BW
GG
O
OLG
W
Y
W
G/O
W/BR/Y
Y/G
BL
PBWP/W
B/GB/Y
Y/WL/RB/RB/W
B
B
BBP
P
P
BBP
RR
BBR
R/Y
B/OL/BB/OL/B
B/G
G/OB/OG/O
P/W
B/OB/YB/YR/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
BB
BrRB/O
BBr
B/W
Y BrL R B
R
GB
R/YBBr
4
0 98
B
B B
B
H
I JK LM NOQ
PR
3
5
67 2 1
A
A A
A
C
D
E
F
G
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
0Slant detection switch
AIgnition coil
BSpark plug
CCam position sensor
DEngine temperature
sensor
EThermoswitch
(engine)FThermoswitch
(exhaust)
GOil pressure switch
HRemote control unit
(Deluxe model only)
IAntenna
(Deluxe model only)
JECM
KRectifier/regulatorLThrottle body assem-
bly
MAccelerator position
sensor
NPickup coil
OLighting coil
PStart switch
QEngine stop switch
REngine shut-off switch
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Page 244 of 347
7-17
E
–+ELEC
NOTE:
To crank the engine, connect the engine shut-
off cord (lanyard) to the engine shut-off switch,
and then press the start switch and engine
stop switch simultaneously.
4. Measure:
Rectifier/regulator output voltage
Below specification →
Replace the recti-
fier/regulator.
NOTE:
Do not use the peak voltage adapter to mea-
sure the output voltage.
Disconnect the output lead of the tester har-
ness.
Test harness (6 pins):
YB-06848
Test harness FSW-6A (6 pins):
90890-06848
Rectifier/regulator output
voltage:
Red (R) – Black (B)
r/minUnloaded
3,500
V 13.0
BATTERY
Refer to “ELECTRICAL” in Chapter 3.
FUSE
Refer to “STARTING SYSTEM”.
SPARK PLUGS
Refer to “POWER UNIT” in Chapter 3.
IGNITION SYSTEM
ProCarManuals.com
Page 258 of 347
7-31
E
–+ELECFUEL CONTROL SYSTEM
FUEL CONTROL SYSTEM
WIRING DIAGRAM
10A
10A
3A
30A20A
RR
BBR
B/W
B/O
B/O
B/R
P/R
P/R
P/W
P/W
B/O
L/B
B/WB/R
B/O
P/RP/W
G
O
W
O
OLG
WR/YP/GY/G
B
OL
PB
Pu/RPu/B
Pu/GPu/Y
P/W
R/Y
W/B
Y/WL/R
B
BBP
P
P
BBP
R/Y
B/OL/BB/OL/B
P/G
P/W
B/O
B/O
B/YB/YR/Y
R/Y
R/Y
R/YPu/G
Pu/Y
Pu/B
Pu/RR/Y
R/Y
R/Y
R/Y
R/YY/W
Y/GL/R
O
P
P
O
R
R
L
R
R
B
BLBL
B
B/GPPB
W/BR/YB RW
9 87
E
E E E FGH I3
4
56 2 1
0
A
B
C
D J
K
1Battery
2Fuse (30 A)
3Fuse (20 A)
4Fuse (10 A)
5Fuse (10 A)
6Starter relay
7Main and fuel pump relay
8Electronic control throttle valve
relay9Slant detection switch
0Sensor assembly
(intake air pressure and intake
air temperature)
AEngine temperature sensor
BThermoswitch (engine)
CThermoswitch (exhaust)
DOil pressure switch
EFuel injectorFECM
GThrottle body assembly
HAccelerator position sensor
IElectric fuel pump
JFuel sender
KMultifunction meter
ProCarManuals.com
Page 262 of 347
7-35
E
–+ELECSTARTING SYSTEM
STARTING SYSTEM
WIRING DIAGRAM
WBrBRFREE
PUSHBWFREE
PUSH
Br BrFREE
PUSH
BW
W
BrBrBrBrR
RB/O
10A
10A
3A
30A20A
RR
B
BBR
BBr
BBr
B
B/W
B/O
B/O
B/R
P/R
P/R
P/W
P/W
B/O
B/WB/R
B/O
P/RP/W
W
W
WL
RY
G
O
W
O
OLG
W
Y
W
G/O
R/YY/G
BOL
BW
R/Y
Y/WL/R
B
B
G/OB/OG/OR/YB/O
R/Y
R/Y
R/Y
Y/W
Y/GL/R
Y
O
O
R
RL
R
B
BLBL
Y BrL R B
Br W
09
B
C DEF G
5 4
6
78 3 I
HJ1
2
A
1Battery
2Starter motor
3Fuse (30 A)
4Fuse (20 A)
5Fuse (3 A)
6Fuse (10 A)
7Fuse (10 A)
8Starter relay
9Main and fuel pump relay0Electronic control throttle valve
relay
ACam position sensor
BRemote control unit
CAntenna
DECM
EThrottle body assembly
FAccelerator position sensor
GElectric fuel pumpHStart switch
IEngine stop switch
JEngine shut-off switch
ProCarManuals.com
Page 264 of 347
7-37
E
–+ELECSTARTING SYSTEM
BATTERY
Refer to “ELECTRICAL” in Chapter 3.
WIRING CONNECTIONS
1. Check:
Wiring connections
Poor connections →
Properly connect.
FUSES
1. Check:
Fuses
Broken →
Replace.
NOTE:
The 3 A fuse is for the remote control unit
(Deluxe model only).
The 10 A fuse is for the main and fuel pump
relay and the electronic control throttle valve
relay.
The 20 A fuse is for main and fuel pump relay.
The 30 A fuse is for the main relay.
Fuse ratings:
3 A, 10 A, 20 A, 30 A
START SWITCH
1. Check:
Continuity
Out of specification →
Replace.
Start switch continuity
(natural color coupler)
Clip PositionLeads
Red Brown
Installed Free
Push
Removed Free
Push
ProCarManuals.com
Page 270 of 347
7-43
E
–+ELECCHARGING SYSTEM
CHARGING SYSTEM
WIRING DIAGRAM
10A
10A
3A
30A20A
RR
BBRGGGGGG
RGGGB
R
B
4 5
32 1
1Battery
2Fuse (30 A)
3Fuse (20 A)
4Rectifier/regulator
5Lighting coilB: Black
G : Green
R: Red
ProCarManuals.com
Page 271 of 347
7-44
E
–+ELECCHARGING SYSTEM
FUSE
Refer to “STARTING SYSTEM”.
BATTERY
Refer to “ELECTRICAL” in Chapter 3.
LIGHTING COIL
Refer to “IGNITION SYSTEM”.
RECTIFIER/REGULATOR
Refer to “IGNITION SYSTEM”.
ProCarManuals.com
Page 272 of 347
7-45
E
–+ELECOFF THROTTLE STEERING SYSTEM
OFF THROTTLE STEERING SYSTEM
WIRING DIAGRAM
10A
10A
3A
30A20A
RR
BBR
B/W
B/O
B/O
B/O
B/R
P/R
P/R
B/O
W/B
P/W
P/W
B/WB/R
B/O
P/RP/W
G
O
O
W
BW
O
OLG
W
W/BR/Y
W/LY/G
R/Y
BL
BPu/RPu/B
Pu/GPu/Y
R/Y
Y/WL/R
R/Y
R/Y
R/Y
R/YPu/G
Pu/Y
Pu/B
Pu/RR/Y
R/Y
R/Y
R/YY/W
Y/G
L/R
R
R
R
B
W/LBOW/LB/OO
R
98
0
0 0 0 ABC D E1
4
5
67 32
1Battery
2Starter motor
3Fuse (30 A)
4Fuse (20 A)
5Fuse (10 A)
6Fuse (10 A)
7Starter relay
8Main and fuel pump relay
9Electronic control throttle valve relay0Fuel injector
AECM
BThrottle body assembly
CAccelerator position sensor
DPickup coil
ESteering sensor
ProCarManuals.com