Lifan 620. Manual — part 13

13. DTC: P0204, 4-cylinder Feul Injector Circuit Trouble (see Table 1-26)

Table 1-26

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 4-cylinder fuel injector from the harness.

Check the voltage between pin 1# of the injector and the

negative pole of the power supply with a multimeter. Is the

No Next

step

3

4

5

6

1

2

3

end of the relay.

No

Go to step 2

Yes

Replace fuel pump relay

4

Measure the voltage between the pin 85# of the relay

(control end) and the power supply negative pole with a

multimeter. Is the voltage about 3.7V?

No Next

step

Yes

Repair or replace

harness

5

Check for open circuit or short to power supply or ground

between the pin 85# of the relay (control end) and the pin

69# of the ECU.

No Diagnosis

help

53

15. DTC: P0325, Shock Sensor Circuit Trouble (see Table 1-28)

Table 1-28

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 shock sensor from the harness. Measure the

resistance between pin 1# and pin 2# with a multimeter. Is

the resistance greater than 1MΩ?

No Replace

sensor

3

4

1

2

3

Yes Diagnosis

help

4

Check the fly wheel singal panel for normal operation.

No

Replace signal panel

54

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 770Ω and 950Ω under

No Replace

sensor

3

4

1

2

3

4

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

55

19. DTC: P0443, Canister Control Valve Driving Stage Control Circuit Trouble (see Table 1-32)

Table 1-32

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 canister control valve from the harness.

Measure the voltage between the pin 1# of the control valve

3

4

5

6

56