um CBF 125 - Maintenance Based on Performance Issues

CBF 125 AIR COOLING ENGINE SERVICE MANUAL
RENEGADE SPORT & SCRAMBLER X 125 EFI
109
Malfcode：P0351
Information：Cylinder 1 Ignition Coil Malfunction
STEP
OPERATION
SOLVED
FOLLOWING STEP
1
Connect the diagnostic tool, and ignition on.
next
2
Remove the connector and check whether the voltage of
pin + is about 12V.
Yes
Step 4
No
Next
3
Check whether the connection of the pin + and main power
relay is open or short to ground.
Yes
Harness issue
No
Next
4
Use multimeter to check wheter the resistance of the two
coil pins is 0.5-0.65Ω @20℃
Yes
Change coil
No
Next
5
Use multimeter to check whether the voltage of pin B is
about 12V.
Yes
Help
No
Next
6
Check whether the connection of pin 2 of the coil and J2-01
of ECU is open or shor to battery/ground.
Yes
Harness issue
No
Help
Malfcode：P0505
Information：Idle Speed Control Error
STEP
OPERATION
SOLVED
FOLLOWING STEP
1
Connect the diagnostic tool, and ignition off
next
2
Remove the connector. Use multimeter to check whether
the resistance between pin A and pin D, pin B and pin C is
between 53±5.3Ω
Yes
Next
No
Change stepper motor
3
Check whether the 4 wires are short to battery/ground or
open.
Yes
Harness issue
No
Help
9.5 Maintenance based on motorcycle performance
Before start the analysis, please check:
 The MIL works well.
 Clear the history malfcode.When
 If malfcode is shows again, note the conditions.