5.10 Troubleshooting
05-231
6 Check whether the failure happens right after
fillingfuel
YES Change fuel
NO Next step
7
Check if cylinder pressure is sufficient
YES
Eliminate
mechanical
failures
NO Next step
8
Connect PDA and switch on ignition to check ECU-
G1,F1,P4, and O4 pin if it is powered normally;
Check ECU-Q2,H3 and C3 pin if it is connected to
ground normally.
YES Use PDA to check
NO Repair related
circuit
Item
Procedures
Results
Next
1
Check if air filter is blocked or air intake pipe leaks
YES Repair air intake
system
NO
Next step
2 Check if spark plug is in good condition (including
its type and clearance)
YES Next step
NO
Adjust or replace
3 Check if there are carbon deposit inside throttle
bodyand air control valve
YES Clean
NO
Next step
4 Disconnect water temp. sensor connector and start
engine to check idle speed is stable or not
YES Repair circuit or
replace sensor
NO
Next step
5 Disassemble injector and use special tool to checkif
there is leakage or blocked or wrong fuel flow
YES Replace
NO
Next step
6 Check whether the failure happens right after
fillingfuel
YES Change fuel
NO
Next step
7
Check if cylinder pressure is sufficient
YES Eliminate
mechanicalfailures
NO
Next step
8
Connect PDA and switch on ignition to check ECU-
G1,F1,P4, and O4 pin if it is powered normally;
Check ECU-Q2,H3 and C3 pin if it is connected to
ground normally.
YES Use PDA to check
NO
Repair related
circuit
9 Turn off the ignition switch for 3 seconds then start
again
YES
NO
Check the wire again
(8) Normal starting, but unstable idle speed after engine warming
General failure part: 1. Water in fuel tank 2. Injector 3. Spark plug 4. Throttle body and
by-pass 5. Air intake pipe 6. Air control valve 7. Mechanical part of engine
General diagnostic procedures:
Summary of Contents for CF1000ATR 2018
Page 1: ...CFMOTO SERVICE MANUAL CF1000AU CF1000ATR CFORCE 1000 ...
Page 81: ...CFMOTO 05 6 5 1 4 EIN Location EIN Location Engine left side Engine right side 050601 050602 ...
Page 351: ...06 Vehicle chassis 06 41 6 7 3 Front and rear CV shaft disassemble view 064101 064102 ...
Page 363: ...Appendix A ...
Page 364: ...Appendix B ...
Page 365: ...Appendix C ...
