Dtc: P1651, Malfunction Indicator Light Control Circuit Trouble - Lifan 620 Maintenance Manual

37. DTC: P1651, Malfunction Indicator Light Control Circuit Trouble (see Table 1-50)
S/N
Connect the diagnostic instrument and adapter, and turn the
1
ignition switch to ON.
Carry out action tests for the MIL of the engine with a
2
diagnostic instrument. Check if it is always keep dark or light.
Check for open circuit or short to ground at the power supply
3
end of the engine MIL.
Check for open circuit or short to power supply or ground
4 between the pin 29# of the engine MIL (control end) and the
29# of the ECU with a multimeter.
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Table 1-50
Operation
65
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Test Results Actions
Next step
Yes Next step
No Normal
Repair or replace
Yes
harness
No Next step
Repair or replace
Yes
harness
No Diagnosis help