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Lifan 620 - DTC: P0336, Crankshaft Position Sensor Signal Abnormal; DTC: P0340, Phase Sensor Signal Trouble

Lifan 620
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17. DTC: P0336, Crankshaft Position Sensor Signal Abnormal (see Table 1-30)
Table 1-30
S/N Operation Test Results Actions
1
Connect the diagnostic instrument and adapter, and turn the
ignition switch to OFF.
Next step
Yes Next step
2
Disconnect the rotation speed sensor from the harness.
Measure the resistance between pin 2# and pin 3# with a
multimeter. Is the resistance between 770 and 950 under
the temperature of 20?
No Replace sensor
Yes
Repair or replace
harness
3
Check for open circuit or short to power supply or ground
between the pin 2#, 3# of the rotation speed sensor and the
pin 34#, 15# of the ECU.
No Next step
Yes Diagnosis help
4 Check the fly wheel singal panel for normal operation.
No Replace signal panel
18. DTC: P0340, Phase Sensor Signal Trouble (see Table 1-31)
Table 1-31
S/N Operation Test Results Actions
1
Connect the diagnostic instrument and adapter, and turn the
ignition switch to ON.
Next step
Yes Go to step 4
2
Disconnect the phase sensor from the harness. Measure the
voltage between pin 3# and pin 1# with a multimeter. Is the
voltage about 12V?
No Next step
Yes
Repair or replace
harness
3
Check for open circuit or short to ground between the pin 3#
of the phase sensor and the pin 87# of the main relay.
Check the pin 1# of the phase sensor for abnormal
grounding.
No Next step
Yes Go to step 6
4
Measure the voltage between the pin 2# of the phase sensor
and the power supply negative pole. Is the voltage about
9.9V?
No Next step
Yes
Repair or replace
harness
5
Check for open circuit or short to power supply or ground
between the pin 2# of the phase sensor and the pin 79# of
the ECU.
No Next step
Yes Diagnosis help
6 Check the fly wheel singal panel for normal operation.
No Replace signal panel
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