Nissan Primera P12. Manual - part 319

DTC P0201 - P0204 FUEL INJECTOR

EC-461

[YD (WITHOUT EURO-OBD)]

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Wiring Diagram

EBS0155X

MBWA0634E

EC-462

[YD (WITHOUT EURO-OBD)]

DTC P0201 - P0204 FUEL INJECTOR

Diagnostic Procedure

EBS0155Y

1.

CHECK FUEL INJECTOR POWER SUPPLY FOR OPEN AND SHORT CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Disconnect fuel injector harness connector.

4.

Check harness continuity between the following terminals corre-
sponding to the malfunctioning cylinder. Refer to Wiring Dia-
gram.

5.

Also check harness for short to ground and short to power.

OK or NG

OK

>> GO TO 2.

NG

>> Repair open circuit or short to ground or short to power in harness or connectors.

2.

CHECK FUEL INJECOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1.

Check harness continuity between the following terminals corresponding to the malfunctioning cylinder.
Refer to Wiring Diagram.

2.

Also check harness for short to ground and short to power.

OK or NG

OK

>> GO TO 3.

NG

>> Repair open circuit or short to ground or short to power in harness or connectors.

3.

CHECK FUEL INJECTOR-I

Refer to

EC-463, "Component Inspection"

.

OK or NG

OK

>> GO TO 4.

NG

>> Replace fuel injector.

DTC

Terminal

Cylinder

ECM

Fuel injector

P0201

4

3

No.1

P0202

5

3

No.2

P0203

5

3

No.3

P0204

4

3

No.4

Continuity should exist.

MBIB0085E

DTC

Terminal

Cylinder

ECM

Fuel injector

P0201

42, 43

4

No.1

P0202

21, 22

4

No.2

P0203

23, 24

4

No.3

P0204

40, 41

4

No.4

Continuity should exist.

DTC P0201 - P0204 FUEL INJECTOR

EC-463

[YD (WITHOUT EURO-OBD)]

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4.

CHECK FUEL INJECTOR-II

With CONSULT-II

1.

Remove two fuel injectors of malfunctioning cylinder and another cylinder.

2.

Install fuel injectors to different cylinder.

3.

Reconnect ECM harness connector and fuel injector harness connector.

4.

Turn ignition switch ON.

5.

Select “SELF DIAG RESULTS” mode with CONSULT-II.

6.

Touch “ERASE”.

7.

Perform

EC-460, "DTC Confirmation Procedure"

.

8.

Is another DTC displayed?

Yes or No

Yes

>> Replace fuel injector of malfunctioning cylinder.

No

>> GO TO 5.

5.

CHECK INTERMITTENT INCIDENT

Refer to

EC-408, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"

.

>> INSPECTION END

Component Inspection

EBS0155Z

FUEL INJECTOR

1.

Disconnect fuel injector.

2.

Check continuity between terminals as shown in the figure.

3.

If NG, replace fuel injector.

Removal and Installation

EBS01560

FUEL INJECTOR

Refer to

EM-39, "INJECTION TUBE AND FUEL INJECTOR"

.

Continuity should exist.

PBIB0406E

EC-464

[YD (WITHOUT EURO-OBD)]

DTC P0217 ENGINE OVER TEMPERATURE

DTC P0217 ENGINE OVER TEMPERATURE

PFP:21481

System Description

EBS01561

NOTE:
If DTC P0217 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

EC-416, "DTC U1000 CAN COMMUNICATION LINE"

.

COOLING FAN CONTROL

*1: This signal is sent to the ECM through CAN communication line.
*2: Output signal is sent from the ECM through CAN communication line.

The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, air condi-
tioner ON signal. The control system has 3-step control [HIGH/LOW/OFF].

OPERATION

CONSULT-II Reference Value in Data Monitor Mode

EBS01562

Specification data are reference values.

Sensor

Input signal to ECM

ECM function

Actuator

Vehicle speed sensor*

1

Vehicle speed

Cooling fan
control

Cooling fan relay*

2

Engine coolant temperature sensor

Engine coolant temperature

Air conditioner switch*

1

Air conditioner ON signal

MBIB0997E

MONITOR ITEM

CONDITION

SPECIFICATION

COOLING FAN

●

When cooling fan is stopped.

OFF

●

When cooling fans operate at low speed.

LOW

●

When cooling fans operate at high speed.

HI