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–20–

SIGNALING SYSTEM

ELEC

YES

NO

The wiring circuit
from the turn signal
switch to the turn sig-
nal light connector is
faulty and must be
repaired.

Left turn signal light

Positive tester probe 

!

 chocolate 

Negative tester probe 

!

 ground

Right turn signal light

Positive tester probe 

!

 dark green 

Negative tester probe 

!

 ground

1

2

S

Set the main switch to “ON”.

S

Set the turn signal switch to “

” or “

”.

S

Measure the voltage (DC 12 V) of the choco-
late 

 or dark green 

 at the turn signal light

connector (wire harness side).

S

Is the voltage within specification?

1

2

This circuit is OK.

A

B

C

Содержание YZF-R1 2003

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Страница 3: ...it is necessary to use this Supplemen tary Service Manual together with the following manual YZF R1 P 2002 SERVICE MANUAL 5PW1 AE1 YZF R1 R 2003 SUPPLEMENTARY SERVICE MANUAL E2002 by Yamaha Motor Co Ltd First Edition August 2002 All rights reserved Any reproduction or unauthorized use without the written permission of Yamaha Motor Co Ltd is expressly prohibited ...

Страница 4: ... to improve all its models Modifications and signifi cant changes in specifications or procedures will be forwarded to all authorized Yamaha dealers and will appear in future editions of this manual where applicable Designs and specifications are subject to change without notice EAS00004 IMPORTANT INFORMATION Particularly important information is distinguished in this manual by the following The S...

Страница 5: ...he top of each page except in Chapter 3 PERIODIC CHECKS AND ADJUSTMENTS where the sub section title s ap pears 3 Sub section titles appear in smaller print than the section title 4 To help identify parts and clarify procedure steps there are exploded diagrams at the start of each removal and disassembly section 5 Numbers are given in the order of the jobs in the exploded diagram A circled number i...

Страница 6: ...trical system 9 Troubleshooting Symbols 10 to 17 indicate the following 10 Serviceable with engine mounted 11 Filling fluid 12 Lubricant 13 Special tool 14 Tightening torque 15 Wear limit clearance 16 Engine speed 17 Electrical data Symbols 18 to 23 in the exploded diagrams indi cate the types of lubricants and lubrication points 18 Engine oil 19 Gear oil 20 Molybdenum disulfide oil 21 Wheel beari...

Страница 7: ...HECKING THE SWITCHES 12 LIGHTING SYSTEM 13 CIRCUIT DIAGRAM 13 TROUBLESHOOTING 15 SIGNALING SYSTEM 17 CIRCUIT DIAGRAM 17 CHECKING THE SIGNALING SYSTEM 19 TROUBLESHOOTING FAULTY LIGHTING OR SIGNALING SYSTEM 21 HEADLIGHT DOES NOT COME ON 21 HEADLIGHT BULB BURNT OUT 21 YZF R1 R 2003 WIRING DIAGRAM EUR YZF R1 R 2003 WIRING DIAGRAM OCE ...

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Страница 9: ...rting system System type Starter motor Model manufacturer Power output Brushes Overall length Spring force Armature coil resistance Commutator diameter Mica undercut Constant mesh 5PW YAMAHA 0 9 kW 10 8 mm 5 28 X 7 92 N 528 X 792 g 0 009 X 0 011 Ω at 20_C 24 5 mm 1 5 mm SSS SSS SSS 3 65 mm SSS SSS 23 5 mm SSS Fuses amperage quantity Main fuse Fuel injection system fuse Headlight fuse Signaling sys...

Страница 10: ...e head light lead and auxiliary light lead behind the pawl of the head light body with the clamp F To turn signal light G To main harness H Route the junction of the head light position lamp and turn sig nal light leads through the pawl on the headlight body Pay attention to the direction 1 Headlight drain plug A Make sure to securely insert the coupler and boot B The headlight lead can be routed ...

Страница 11: ...gneto lead 8 Speed sensor lead 9 lead 10 Rear brake switch lead 11 EXUP servo motor lead 12 AC magneto lead 13 AI system lead 14 Oil level switch lead 15 Sidestand switch lead 16 Wire harness assembly 17 Injector sub lead 1 18 Starter lead 19 lead 20 lead 21 Cover 1 22 Injector sub lead 23 AI system lead 24 Oil level switch lead 25 Sidestand switch lead ...

Страница 12: ... the throttle body J Wiring section K Wire the leads in front of the clamp excluding the brake light switch lead Secure the wire harness vehicle speed sensor lead neutral switch lead brake light switch lead pickup coil lead and starter lead with the clamp inserted to the frame Point the tip of the clamp to the downward Do not bind over the bare wire 3 L EXUP servo motor M To rectifier regulator N ...

Страница 13: ...battery AA Route the starter motor lead through the clamp inserted to the box battery AB Clamp the lead as being in parallel along the fender Make sure to clamp three leads AC Fasten the wire harness with the clamp inserted to the hole of the box battery AD Routing position of each lead except the wire harness is not regulated in the clamp AE Branch from the main harness AF Assembling point Beneat...

Страница 14: ...the ALARM coupler lead AO Press the lead of the coupler for ALARM in under the cou pler of ECU AP Pay attention not to allow the lead to slack and get caught after wiring when assembling the side cover AQ Make sure to hook the har ness on the hook of battery box AR Pick up coil lead Should be wired in front of the clamp AS Neutral switch lead Should be wired in front of the clamp AT Fasten the lea...

Страница 15: ... to the vehicle outside E Fasten the clutch cable with the clamp to the inside of the coolant reservoir tank F Fasten the sidestand switch lead behind the bracket and cut the tip G To fuel tank H Pass the throttle cable in front of the brake hose I Pass the clutch cable behind the front fork J Pass the handlebar switch lead and main switch lead between the steering stopper and front fork outer tub...

Страница 16: ...or lead between the engine and the radiator hose Make sure to push it into the deeper position so that it is not caught between the cylinder head cover and the radiator hose P Route the clutch cable through the inside of radiator hose and fasten it with the clamp to the ra diator Q Fasten the clutch cable and cool ant reservoir tank breather hose with the clamp ...

Страница 17: ...2 1 17 Oil level gauge lead 18 AI system hose 19 Sidestand switch lead 20 Fuel return hose 21 Fuel tank breather hose 22 Fuel feeder hose 23 Fuel tank drain hose 24 Injector sub lead 25 Wire harness 26 To throttle body 27 To air cleaner 28 To fuel tank 29 Crankcase breather hose 30 Assembling point 31 Speed sensor lead 32 EXUP servo motor 33 EXUP servo motor lead 2 34 To throttle body 35 Rear brak...

Страница 18: ...l gauge side stand switch lead and radiator hose in the drive sprocket cover G Do not pinch the hose H Pass the oil level gauge lead and sidestand switch lead by the in ner side of the coolant hose I Route the fuel tank breather hose and fuel tank drain hoses through the clamp and pass by the outside of the bottom cowl ing Make the end length of hoses even C Clamp the air cleaner drain hose fuel t...

Страница 19: ...I system hose is not regulated in the clamp P Pass all the hoses under the in jector sub lead and wire harness Q Neutral switch lead Route the lead so that it surely points to the right upward R Clamp the lead making slack so that the harness routes to the coupler from the downside of the EXUP serve motor S Pay attention to the inserting direction of the relay Y Position the clamp between the clam...

Страница 20: ...itch 6 Turn signal switch 7 Hazard switch 8 Sidestand switch 9 Engine stop switch 10 Start switch EAS00731 ELECTRICAL CHECKING THE SWITCHES Check each switch for damage or wear proper connections and also for continuity between the termi nals Refer to CHECKING SWITCH CONTINUITY Damage wear Repair or replace Improperly connected Properly connect Incorrect continuity reading Replace the switch ...

Страница 21: ... 13 LIGHTING SYSTEM ELEC EAS00780 LIGHTING SYSTEM CIRCUIT DIAGRAM ...

Страница 22: ...y 13 ECU 35 Hi beam indicator light 38 Meter light 44 Pass switch 45 Dimmer switch 54 Headlight 55 License light 56 Tail brake light 64 Fuse turn 66 Fuse headlight 68 Headlight relay on off 69 Headlight relay dimmer LIGHTING SYSTEM ELEC EA ...

Страница 23: ...G SYSTEM ELEC NOTE YES NO 1 Main signal headlight and turn fuses SCheck the main signal headlight and turn fuses for continuity Refer to CHECKING THE FUSES in chap ter 3 SAre the main signal headlight and turn fuses OK Replace the fuse s 2 Battery SCheck the condition of the battery Refer to CHECKING AND CHARGING THE BATTERY in chapter 3 EAS00739 EAS00781 TROUBLESHOOTING Any of the following fail ...

Страница 24: ...he pocket tester Ω 1 and bat tery 12 V to the headlight relay dimmer coupler as shown SDoes the headlight relay dimmer have continuity NO YES Replace the head light relay dimmer 1 2 Hi beam Positive battery lead yellow Negative battery lead black Positive tester probe black blue Negative tester probe black yellow 3 4 1 2 Low beam Positive tester probe black blue Negative tester probe black green E...

Страница 25: ... 17 SIGNALING SYSTEM ELEC EAS00793 SIGNALING SYSTEM CIRCUIT DIAGRAM ...

Страница 26: ... function meter 34 Coolant temperature indicator light 36 Turn signal indicator light L 37 Turn signal indicator light R 40 Oil level gauge 41 Turn signal relay 43 Hazard switch 46 Horn switch 48 Turn signal switch 49 Rear turn signal light R 50 Rear turn signal light L 51 Front turn signal light R 52 Front turn signal light L 53 Horn 56 Tail brake light 57 Rear brake light switch 59 Front brake l...

Страница 27: ...2 V on brown at the turn signal relay coupler wire harness side SIs the voltage within specification 1 YES NO The wiring circuit from the main switch to the turn signal relay coupler is faulty and must be re paired YES NO 5 Voltage SConnect the pocket tester DC 20 V to the turn signal relay coupler wire harness side as shown The turn signal relay is faulty and must be replaced Positive tester prob...

Страница 28: ...ester probe chocolate Negative tester probe ground Right turn signal light Positive tester probe dark green Negative tester probe ground 1 2 SSet the main switch to ON SSet the turn signal switch to or SMeasure the voltage DC 12 V of the choco late or dark green at the turn signal light connector wire harness side SIs the voltage within specification 1 2 This circuit is OK A B C ...

Страница 29: ...ncorrect connection SImproperly grounded circuit SPoor contacts main or dimmer switch SBurnt out headlight bulb SHeadlight relay on off SHeadlight relay dimmer HEADLIGHT BULB BURNT OUT SWrong headlight bulb SFaulty battery SFaulty rectifier regulator SImproperly grounded circuit SFaulty main switch SFaulty dimmer switch SFaulty headlight relay on off SFaulty headlight relay dimmer SHeadlight bulb ...

Страница 30: ...lay 11 Side stand switch 12 Fuel pump 13 ECU 14 Ignition coil 15 Spark plug 16 Fuel injector 17 AI system solenoid 18 EXUP servo motor 19 Speed sensor 20 Lean angle cut off switch 21 Cylinder identification 22 Atmospheric pressure sensor 23 Intake air pressure sensor 24 Throttle position sensor 25 Coolant temperature sensor 26 Intake air temperature sensor 27 Crankshaft position sensor 28 Neutral ...

Страница 31: ...Side stand switch 12 Fuel pump 13 ECU 14 Ignition coil 15 Spark plug 16 Fuel injector 17 AI system solenoid 18 EXUP servo motor 19 Speed sensor 20 Lean angle cut off relay 21 Cylinder identification sensor 22 Atmospheric pressure sensor 23 Intake air pressure sensor 24 Throttle position sensor 25 Coolant temperature sensor 26 Intake air temperature sensor 27 Crankshaft position sensor 28 Neutral s...

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Страница 35: ...YZF R1 R 2003 WIRING DIAGRAM EUR ...

Страница 36: ...YZF R1 R 2003 WIRING DIAGRAM OCE ...

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