um CHILL 125 cc. Service Manual page 35

Malfunction code：P0201
Information：Injector 1 Circuit Malfunction
ITEM OPERATION
1 Connect the diagnostic tool, and ignition on.
2 Remove the connector of injector 1, use multimeter to check whether the voltage of
Pin A is about 12V.
3 Check whether the connection between pin A and the main power relay is short to
ground or open.
4 Use multimeter to measure whether the resistance between pin A and B of the
injector is about 10-14 Ω @ 20℃
5 Use the multimeter to check whether the voltage of Pin B is about 12V.
6
Check whether the connection between pin B of the injector and J2-05 of the ECU is open
or short to battery/ground.
CHILL 125 cc. SERVICE MANUAL AND EFI DIAGNOSTIC
RESULT
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
NEXT STEP
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Step 4
Next
Harness issue
Next
Change the injector
next
Help
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Harness issue
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