5.10 Troubleshooting
05-233
7
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 that air filter is blocked
YES Repair air
intake system
NO
Next step
2
Connect fuel pressure gauge, and turn on ignition
switch or start engine. Check if fuel pressure is
approximately 300kPa.
YES Next step
NO
Repair fuel
supply system
3 Check if spark plug is in good condition (including
its type and clearance)
YES Next step
NO
Adjust or
replace
4
Remove air control valve and check if there is
carbon deposit inside throttle body, air controlvalve
and by-pass
YES Clean related
parts
NO
Next step
5 Check that TPS and its circuit is normal
YES Next step
NO
Repair circuit
or replace TPS
6 Disassemble injector and use special tool to check
if there is leakage or blocked
YES Replace
NO
Next step
7
Check whether the failure happens right after filling
fuel
YES Change fuel
NO
Next step
8 Check if ignition timing
YES Next step
NO
Adjust ignition
timing
9 Check if exhaust gas exhales smoothly
YES Next step
NO
Repair or
replace
exhaust pipe
10
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
(11) RPM cannot increase or engine stops when accelerating
General failure part: 1. Water in fuel tank 2. TPS 3. Spark plug 4. Throttle body and by-
pass 5. Air intake pipe 6. Air control valve 7. Injector 8. Ignition timing 9. Exhaust pipe
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 ...
