CF MOTO CF1000ATR 2018, Руководство по обслуживанию, Страница: 307 / 365

CFMOTO
05-232
Item Procedures Results Next
1
Disassemble air control valve and check if there is
carbon deposit inside throttle body, idle adjustment
and by-pass
YES Clean related
parts
NO Next step
2
Check if output power increases when lighting, by
using PDA to test if ignition advance angle, fuel
spray and air intake volume is normal
YES To step 4
NO Next step
3 Disassemble injector and use special tool to check
if there is leakage or blocked or wrong fuel flow
NO
Repair air intake
System
YES "Replace
injector"
NO Next step
4
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 throttle cable is jammed or too tight
YES Adjust
NO Next step
2
Check if there’s leakage between air intake pipand
injector seat
YES Repair air intake
system
NO Next step
3
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
4 Remove water temp. sensor connector, start engine
to check if idle speed is too high
YES Repair wiring or
replace sensor
NO Next step
5 Check if ignition timing
YES Next step
NO
Repair ignition
Timing
6 Turn off the ignition switch for 3 seconds then restart
the vehicle
NO Check the wire
(9) Engine starts normally, but idle speed is unstable or engine stops when working
partially
General failure part: 1. Air control valve 2. Injector
General diagnostic procedures:
(10) Engine starts normally, but idle speed is too high
General failure part: 1. Throttle body and by-pass 2. Injector seat 3. Air control valve 4.
Water temperature sensor 5. Ignition timing
General diagnostic procedures: