2-26
ESPECCABLE AND HOSE ROUTING
D-D
A-A
B-B
0
8
5
C-C
9
5 Ú
Ù
É
È
Ð
DD
5
6
A
A
1
2
7
34
Î
Ó ÒÌÑÑÌÑ
Ì
Ì
Ë Ë
Ê
Ø×Ö Ô
Õ
Í
Ï
C
CB
B
ÐInsert the plastic tie completely into the hole in
the engine hanger.
ÑFasten the wiring harness to a bracket on the
fuel rail with a plastic tie.
ÒFasten the wiring harness and cam position
sensor within the range shown in the illustration
with a plastic tie.
ÓSplit in wiring harness
ÔTo cam position sensorÕPass fuel injector lead #4 under the sensor
assembly (intake air pressure and intake air
temperature) lead.
ÖTo oil pressure switch
×To thermoswitch (exhaust)
ØTo ground lead plate
ÙBow end
ÚMake sure that the rubber boot is fitted properly
without any folds.
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E
–+ELEC
1
2
3
4
5
6
7
8
9
CHAPTER 7
ELECTRICAL SYSTEM
ELECTRICAL COMPONENTS........................................................................ 7-1
FUSE BOX ....................................................................................................... 7-2
EXPLODED DIAGRAM ............................................................................. 7-2
REMOVAL AND INSTALLATION CHART ................................................ 7-2
ECM AND RECTIFIER/REGULATOR............................................................. 7-7
EXPLODED DIAGRAM ............................................................................. 7-7
REMOVAL AND INSTALLATION CHART ................................................ 7-7
ELECTRICAL ANALYSIS ............................................................................... 7-9
INSPECTION............................................................................................. 7-9
Digital tester ........................................................................................ 7-9
Low resistance measurement ........................................................... 7-10
Peak voltage measurement .............................................................. 7-10
Peak voltage adapter ........................................................................ 7-11
Test harness .................................................................................... 7-11
IGNITION SYSTEM ....................................................................................... 7-12
WIRING DIAGRAM ................................................................................. 7-12
IGNITION SPARK ................................................................................... 7-14
IGNITION SYSTEM PEAK VOLTAGE .................................................... 7-15
BATTERY ................................................................................................ 7-17
FUSE ....................................................................................................... 7-17
SPARK PLUGS ....................................................................................... 7-17
IGNITION COIL ....................................................................................... 7-18
ENGINE STOP SWITCH ......................................................................... 7-18
ENGINE TEMPERATURE SENSOR ...................................................... 7-19
SENSOR ASSEMBLY ............................................................................. 7-19
THERMOSWITCH (ENGINE).................................................................. 7-20
THERMOSWITCH (EXHAUST) .............................................................. 7-21
MAIN AND FUEL PUMP RELAY............................................................. 7-22
ELECTRONIC CONTROL THROTTLE VALVE RELAY ......................... 7-23
THROTTLE POSITION SENSOR ........................................................... 7-24
ACCELERATOR POSITION SENSOR ................................................... 7-26
CAM POSITION SENSOR ...................................................................... 7-29
SLANT DETECTION SWITCH ................................................................ 7-30
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E
–+ELEC
FUEL CONTROL SYSTEM ........................................................................... 7-31
WIRING DIAGRAM ................................................................................. 7-31
ELECTRIC FUEL PUMP ......................................................................... 7-33
FUEL SENDER ....................................................................................... 7-33
FUEL INJECTOR .................................................................................... 7-34
MAIN AND FUEL PUMP RELAY............................................................. 7-34
OIL PRESSURE SWITCH ....................................................................... 7-34
THERMOSWITCH (ENGINE).................................................................. 7-34
THERMOSWITCH (EXHAUST) .............................................................. 7-34
SLANT DETECTION SWITCH ................................................................ 7-34
REMOTE CONTROL UNIT (DELUXE MODEL ONLY) ........................... 7-34
THROTTLE POSITION SENSOR ........................................................... 7-34
ACCELERATOR POSITION SENSOR ................................................... 7-34
STARTING SYSTEM ..................................................................................... 7-35
WIRING DIAGRAM ................................................................................. 7-35
BATTERY ................................................................................................ 7-37
WIRING CONNECTIONS........................................................................ 7-37
FUSES..................................................................................................... 7-37
START SWITCH...................................................................................... 7-37
STARTER RELAY ................................................................................... 7-38
REMOTE CONTROL UNIT (DELUXE MODEL ONLY) ........................... 7-38
THROTTLE POSITION SENSOR ........................................................... 7-38
ACCELERATOR POSITION SENSOR ................................................... 7-38
STARTER MOTOR ........................................................................................ 7-39
EXPLODED DIAGRAM ........................................................................... 7-39
REMOVAL AND INSTALLATION CHART ............................................. 7-39
SERVICE POINTS .................................................................................. 7-41
Armature inspection .......................................................................... 7-41
Brush holder inspection..................................................................... 7-42
Starter motor front cover inspection .................................................. 7-42
CHARGING SYSTEM .................................................................................... 7-43
WIRING DIAGRAM ................................................................................. 7-43
FUSE ....................................................................................................... 7-44
BATTERY ................................................................................................ 7-44
LIGHTING COIL ...................................................................................... 7-44
RECTIFIER/REGULATOR ...................................................................... 7-44
OFF THROTTLE STEERING SYSTEM......................................................... 7-45
WIRING DIAGRAM ................................................................................. 7-45
STEERING SENSOR .............................................................................. 7-47
ECM......................................................................................................... 7-47
PICKUP COIL .......................................................................................... 7-47
THROTTLE POSITION SENSOR ........................................................... 7-47
ACCELERATOR POSITION SENSOR ................................................... 7-47
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–+ELEC
INDICATION SYSTEM .................................................................................. 7-48
WIRING DIAGRAM ................................................................................. 7-48
FUSE ....................................................................................................... 7-50
BATTERY ................................................................................................ 7-50
MAIN AND FUEL PUMP RELAY............................................................. 7-50
ECM......................................................................................................... 7-50
ENGINE TEMPERATURE SENSOR ...................................................... 7-50
THERMOSWITCH (ENGINE).................................................................. 7-50
THERMOSWITCH (EXHAUST) .............................................................. 7-50
REMOTE CONTROL UNIT (DELUXE MODEL ONLY) ........................... 7-50
BUZZER .................................................................................................. 7-50
OIL PRESSURE SWITCH ....................................................................... 7-51
MULTIFUNCTION METER...................................................................... 7-51
Multifunction meter ............................................................................ 7-51
MULTIFUNCTION METER REMOVAL ................................................... 7-51
Display function (Sport model only) .................................................. 7-52
Display function (Deluxe model only) ................................................ 7-53
Speedometer display ........................................................................ 7-54
Tachometer display ........................................................................... 7-55
Hour meter display ............................................................................ 7-55
Voltage meter display........................................................................ 7-55
Low oil pressure warning indicator .................................................... 7-55
Fuel level meter display and fuel warning indicator .......................... 7-55
Overheat warning indicator ............................................................... 7-56
Check engine warning indicator ........................................................ 7-56
Diagnostic display ............................................................................. 7-57
REMOTE CONTROL SYSTEM (DELUXE MODEL ONLY) .......................... 7-58
WIRING DIAGRAM ................................................................................. 7-58
REMOTE CONTROL SYSTEM ............................................................... 7-59
Yamaha Security System indicator ................................................... 7-59
Low-rpm mode indicator.................................................................... 7-59
Checking the remote control transmitter ........................................... 7-60
Transmitter registration ..................................................................... 7-62
Replacing of the transmitter battery .................................................. 7-63
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7-2
E
–+ELECFUSE BOX
FUSE BOX
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
FUSE BOX REMOVAL
Follow the left “Step” for removal.
1 Nut/washer 2/2
2 Wiring harness 1
NOTE:
Disconnect all couplers.
3 Fuse box 1
4 Fuse box cap 1
5Gasket 1
6Fuse 10
7 Tapping screw 2
8 Washer 2
30
3 10
10
20 30
3 10
10
20
6 × 25 mm
6 × 20 mm
6 × 10 mm
6 × 8 mm
6 × 20 mm
AA
AA
3332 31
(VENT)
22
22 21
21 27
27
27
3029 28
24 23
13
1319 19 2625
173
4
5
6 2 1098 7
7
811
12
15
16
18
1420
1
1
17 N •
m (1.7 kgf • m, 12 ft • Ib)
15 N •
m (1.5 kgf • m, 11 ft • Ib)
36
35
35
34
35
17 N •
m (1.7 kgf • m, 12 ft • Ib)
31
6 × 20 mm
3.9 N • m (0.39 kgf • m, 2.8 ft • Ib)
Not reusable
ProCarManuals.com
7-4
E
–+ELECFUSE BOX
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
20 Plate 1
21 Bolt 2
22 Cover 2
23 Positive battery lead 1
24 Starter motor lead 1 With white tape
25 Starter relay 1
26 Grommet 1
27 Bolt 3
28 Wiring harness 1 Red
29 Wiring harness 1 Brown
30
3 10
10
20 30
3 10
10
20
6 × 25 mm
6 × 20 mm
6 × 10 mm
6 × 8 mm
6 × 20 mm
AA
AA
3332 31
(VENT)
22
22 21
21 27
27
27
3029 28
24 23
13
1319 19 2625
173
4
5
6 2 1098 7
7
811
12
15
16
18
1420
1
1
17 N •
m (1.7 kgf • m, 12 ft • Ib)
15 N •
m (1.5 kgf • m, 11 ft • Ib)
36
35
35
34
35
17 N •
m (1.7 kgf • m, 12 ft • Ib)
31
6 × 20 mm
3.9 N • m (0.39 kgf • m, 2.8 ft • Ib)
ProCarManuals.com
7-5
E
–+ELECFUSE BOX
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
30 Wiring harness 1 Black
31 Holder 2
32 Pipe 1
33 Battery 1
34 Battery box 1
35 Nut 4
36 Holder 1
Reverse the removal steps for installation.
30
3 10
10
20 30
3 10
10
20
6 × 25 mm
6 × 20 mm
6 × 10 mm
6 × 8 mm
6 × 20 mm
AA
AA
3332 31
(VENT)
22
22 21
21 27
27
27
3029 28
24 23
13
1319 19 2625
173
4
5
6 2 1098 7
7
811
12
15
16
18
1420
1
1
17 N •
m (1.7 kgf • m, 12 ft • Ib)
15 N •
m (1.5 kgf • m, 11 ft • Ib)
36
35
35
34
35
17 N •
m (1.7 kgf • m, 12 ft • Ib)
31
6 × 20 mm
3.9 N • m (0.39 kgf • m, 2.8 ft • Ib)
ProCarManuals.com
7-6
E
–+ELECFUSE BOX
1
2
6
5
4
3
1Positive battery lead
2Starter motor lead (white tape)
3Starter relay
4Wiring harness (black)
5Wiring harness (brown)
6Wiring harness (red)
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