FUEL INJECTION SYSTEM
8-43
TIP
• If fault code numbers “37” and “46” are both indicated, take the actions specified for fault code number
“46” first.
• If fault code numbers “37” and “42” are both indicated, take the actions specified for fault code number
“42” first.
• If fault code numbers “37” and “79” are both indicated, take the actions specified for fault code number
“79” first.
• If fault code numbers “37” and “61” are both indicated, take the actions specified for fault code number
“61” first.
B-2
Connection of wire harness
ECU coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
Improperly connected
→
Con-
nect the coupler securely or re-
place the wire harness.
Execute the diagnostic mode.
(Code No. 54)
ISC valve operation sound is
heard.
→
Go to item B-8.
ISC valve operation sound is
not heard.
→
Go to item B-3.
B-3
Wire harness continuity.
Open or short circuit
→
Replace
the wire harness.
Between ISC coupler and ECU
coupler.
Pink–Pink
Gray–Gray
Green/yellow–Green/yellow
Sky blue–Sky blue
Execute the diagnostic mode.
(Code No. 54)
ISC valve operation sound is
heard.
→
Go to item B-8.
ISC valve operation sound is
not heard.
→
Go to item B-4.
B-4
Installed condition of ISC valve.
Check the mounting area for
looseness or pinching.
Make sure that the installation
position is correct.
Check the intake air passages
for air leaks.
Execute the diagnostic mode.
(Code No. 54)
ISC valve operation sound is
heard.
→
Go to item B-8.
ISC valve operation sound is
not heard. Go to item B-5.
B-5
Power voltage is too low.
Check battery voltage.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-60.
Execute the diagnostic mode.
(Code No. 54)
ISC valve operation sound is
heard.
→
Go to item B-8.
ISC valve operation sound is
not heard.
→
Go to item B-6.
B-6
Faulty ISC valve operation.
Replace the ISC valve.
Refer to “CLEANING THE ISC
(IDLE SPEED CONTROL)
UNIT AND THROTTLE BODY”
on page 7-9.
Execute the diagnostic mode.
(Code No. 54)
ISC valve operation sound is
heard.
→
Go to item B-8.
ISC valve operation sound is
not heard.
→
Go to item B-7.
B-7
Malfunction in ECU.
Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-59.
Execute the diagnostic mode.
(Diagnostic code No. 54)
Return the ISC valve to the ini-
tial opening position.
B-8
Delete the fault codes.
Start the engine and let it idle
for approximately 10 seconds.
After completing the above op-
eration, check the fault code
display.
Fault code No.
37
Item
Engine speed is high when the engine is idling.
Содержание MBK MW125 2014
Страница 1: ...SERVICE MANUAL MW125 2014 MW125F 2015 2CM F8197 E0...
Страница 6: ......
Страница 8: ......
Страница 49: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 20...
Страница 52: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 23 EAS30021 LUBRICATION DIAGRAMS 1 3 2...
Страница 53: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 24 1 Oil strainer 2 Oil pump assembly 3 Camshaft...
Страница 54: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25 2 3 4 5 1...
Страница 56: ...COOLING SYSTEM DIAGRAMS 2 27 EAS20020 COOLING SYSTEM DIAGRAMS 1 2 4 3 5 6 9 8 3 4 5 7...
Страница 60: ...CABLE ROUTING 2 31 Steering head left side view A A A A 1 2 2 2 1 1 2 1 2 1 2 B...
Страница 62: ...CABLE ROUTING 2 33 Front wheel left side view 1 2 1 1 1...
Страница 63: ...CABLE ROUTING 2 34 1 Speed sensor lead 2 Front brake hose...
Страница 64: ...CABLE ROUTING 2 35 Throttle body and rear wheel left and right side view 2 2 1 1 A B A C D D E E F G H D E 3...
Страница 66: ...CABLE ROUTING 2 37 Front frame right side view...
Страница 70: ...CABLE ROUTING 2 41 Front frame left side view 1 2 3 4 5 6 7 8 9 10 A 4 7 5 6 11 13 12...
Страница 74: ...CABLE ROUTING 2 45 Front frame top view 1 2 3 4 2 3 4 5 6 12 10 11 13 7 8 8 9 A 2 3 5 4 6...
Страница 76: ...CABLE ROUTING 2 47 Rear frame top view 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B...
Страница 78: ...CABLE ROUTING 2 49...
Страница 81: ......
Страница 129: ...GENERAL CHASSIS 8 4 20 a Fit the projections on the front side panel into the slots in the side cowling...
Страница 205: ...ENGINE INSPECTION 5 2 10 Install Center cover Refer to GENERAL CHASSIS 1 on page 4 1...
Страница 248: ...V BELT AUTOMATIC TRANSMISSION 5 45 a 1 2...
Страница 270: ...CRANKSHAFT 5 67...
Страница 282: ...WATER PUMP 6 11...
Страница 287: ...FUEL TANK 7 4 Refer to INSTALLING THE FUEL TANK on page 7 2...
Страница 296: ...THROTTLE BODY 7 13...
Страница 298: ...IGNITION SYSTEM 8 1 EAS20072 IGNITION SYSTEM EAS30490 CIRCUIT DIAGRAM...
Страница 302: ...ELECTRIC STARTING SYSTEM 8 5 EAS20073 ELECTRIC STARTING SYSTEM EAS30493 CIRCUIT DIAGRAM...
Страница 307: ...ELECTRIC STARTING SYSTEM 8 10...
Страница 308: ...CHARGING SYSTEM 8 11 EAS20074 CHARGING SYSTEM EAS30496 CIRCUIT DIAGRAM...
Страница 311: ...CHARGING SYSTEM 8 14...
Страница 312: ...LIGHTING SYSTEM 8 15 EAS20075 LIGHTING SYSTEM EAS30498 CIRCUIT DIAGRAM...
Страница 316: ...SIGNALING SYSTEM 8 19 EAS20076 SIGNALING SYSTEM EAS30500 CIRCUIT DIAGRAM...
Страница 322: ...FUEL INJECTION SYSTEM 8 25 EAS20078 FUEL INJECTION SYSTEM EAS30504 CIRCUIT DIAGRAM...
Страница 349: ...FUEL INJECTION SYSTEM 8 52...
Страница 350: ...ELECTRICAL COMPONENTS 8 53 EAS20089 ELECTRICAL COMPONENTS 1 2 3 4 5 6 9 11 12 10 8 7 13 17 18 19 23 22 21 20 14 15 16...
Страница 366: ...ELECTRICAL COMPONENTS 8 69...
Страница 375: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 8...
Страница 377: ......
Страница 378: ......