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FUEL INJECTION SYSTEM
8-43
A-4
Air leak from the throttle body.
Check the throttle body.
Refer to “CHECKING THE
THROTTLE BODY” on page
7-12.
Start the engine and let it idle for
approximately 10 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is displayed
→
Go to item A-5.
A-5
Air leak from the ISC (idle speed
control) unit.
Improperly installed ISC (idle
speed control) unit
→
Reinstall
the ISC (idle speed control) unit.
Check the intake air passages
for air leaks.
Start the engine and let it idle for
approximately 10 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is displayed
→
Go to item A-6.
A-6
The air volume for the throttle
body and ISC (idle speed con-
trol) unit is excessive.
Clean the throttle body and ISC
(idle speed control) unit.
Refer to “CLEANING THE ISC
(IDLE SPEED CONTROL) UNIT
AND THROTTLE BODY” on
page 7-12.
Start the engine and let it idle for
approximately 10 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is displayed
→
Go to item A-7.
A-7
ISC (idle speed control) unit is
not moving correctly.
Replace the ISC (idle speed
control) unit.
Refer to “CLEANING THE ISC
(IDLE SPEED CONTROL) UNIT
AND THROTTLE BODY” on
page 7-12.
Start the engine and let it idle for
approximately 10 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is displayed
→
Go to item A-8.
A-8
Malfunction in ECU.
Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-99.
Fault code No.
37
Item
A
Component other than ISC (idle speed control) unit is defec-
tive (ISC operating sound is heard).
B
Defective ISC (idle speed control) unit (ISC operating sound is
not heard).
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No.
54
Actuation
Fully closes the ISC valve, and then opens the valve. This operation
takes approximately 3 seconds. The “CHECK” indicator and “
” on the
Yamaha diagnostic tool screen comes on during the operation.
Procedure
The ISC unit vibrates when the ISC valve operates.
Item
Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service com-
pletion
Fault code No.
37
Item
A
Component other than ISC (idle speed control) unit is defec-
tive (ISC operating sound is heard).
B
Defective ISC (idle speed control) unit (ISC operating sound is
not heard).
Summary of Contents for N MAX GPD150-A 2015
Page 1: ...2015 SERVICE MANUAL GPD150 A 2DP F8197 E0 ...
Page 6: ......
Page 8: ......
Page 38: ...BASIC SERVICE INFORMATION 1 29 ...
Page 46: ...SPECIAL TOOLS 1 37 ...
Page 61: ...TIGHTENING TORQUES 2 14 Cylinder head tightening sequence 4 2 5 3 1 6 ...
Page 67: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 20 ...
Page 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 23 EAS30021 LUBRICATION DIAGRAMS 1 3 2 ...
Page 71: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 24 1 Oil strainer 2 Oil pump assembly 3 Camshaft ...
Page 72: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25 3 2 1 4 ...
Page 74: ...COOLING SYSTEM DIAGRAMS 2 27 EAS20020 COOLING SYSTEM DIAGRAMS 8 5 7 6 4 3 2 1 7 7 6 5 4 3 2 1 ...
Page 88: ...CABLE ROUTING 2 41 Frame top view 9 A B C D 1 2 9 6 5 3 3 9 4 4 5 6 7 8 9 10 11 12 13 E ...
Page 90: ...CABLE ROUTING 2 43 Hydraulic unit top and right side view A B C 1 1 2 2 3 3 4 5 5 6 6 7 4 ...
Page 94: ...CABLE ROUTING 2 47 Fuel tank right side view A B D 1 2 2 1 3 3 4 4 5 5 7 A 6 8 9 9 C ...
Page 96: ...CABLE ROUTING 2 49 Fuel tank top and bottom view A 1 B 3 B 2 C 4 ...
Page 102: ...CABLE ROUTING 2 55 ...
Page 104: ...CHECKING THE SWITCHES LIGHTS AND SIGNALS 3 24 ADJUSTING THE HEADLIGHT BEAM 3 24 ...
Page 105: ......
Page 130: ...PERIODIC MAINTENANCE 3 25 ...
Page 136: ...GENERAL CHASSIS 1 4 3 a 1 ...
Page 148: ...GENERAL CHASSIS 5 4 15 1 b a ...
Page 220: ...STEERING HEAD 4 87 1 a b ...
Page 226: ...REAR SHOCK ABSORBER ASSEMBLIES AND SWINGARM 4 93 ...
Page 294: ...CRANKSHAFT 5 65 ...
Page 306: ...WATER PUMP 6 11 ...
Page 325: ......
Page 335: ...ELECTRIC STARTING SYSTEM 8 10 ...
Page 339: ...CHARGING SYSTEM 8 14 ...
Page 343: ...LIGHTING SYSTEM 8 18 ...
Page 381: ...FUEL INJECTION SYSTEM 8 56 ...
Page 385: ...FUEL PUMP SYSTEM 8 60 ...
Page 417: ...ABS ANTI LOCK BRAKE SYSTEM 8 92 ...
Page 446: ......
Page 447: ......