Nissan Juke F15. Manual - part 606

MALFUNCTION INDICATOR LAMP

EC-1237

< DTC/CIRCUIT DIAGNOSIS >

[MR EXCEPT FOR NISMO RS MODELS]

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MALFUNCTION INDICATOR LAMP

Component Function Check

INFOID:0000000012198766

1.

CHECK MIL FUNCTION

1. Turn ignition switch ON.

2. Check that MIL lights up.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EC-1237, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000012198767

1.

CHECK DTC

Check that DTC UXXXX is not displayed.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Perform trouble diagnosis for DTC UXXXX.

2.

CHECK DTC WITH METER

Refer to 

MWI-22, "CONSULT Function"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Perform trouble diagnosis for DTC indicated.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-45, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-64, "Removal and Installation"

.

NO

>> Repair or replace error-detected parts.

EC-1238

< DTC/CIRCUIT DIAGNOSIS >

[MR EXCEPT FOR NISMO RS MODELS]

REFRIGERANT PRESSURE SENSOR

REFRIGERANT PRESSURE SENSOR

Component Function Check

INFOID:0000000012198768

1.

CHECK REFRIGERANT PRESSURE SENSOR OVERALL FUNCTION

1. Start engine and warm it up to normal operating temperature.

2. Turn A/C switch and blower fan switch ON.

3. Check the voltage between ECM harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EC-1238, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000012198769

1.

CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY

1. Turn ignition OFF.

2. Disconnect refrigerant pressure sensor harness connector.

3. Turn ignition switch ON.

4. Check the voltage between refrigerant pressure sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between refrigerant pressure sensor harness connector and ECM harness connec-

tor.

4. Also check harness for short to ground.
Is the inspection result normal?

YES

>> Perform the trouble diagnosis for power supply circuit.

NO

>> Repair or replace error-detected parts.

3.

CHECK REFRIGERANT PRESSURE SENSOR GROUND

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between refrigerant pressure sensor harness connector and ECM harness connec-

tor.

ECM

Voltage

Connector

+

−

Terminal

F23

12

13

1.0 - 4.0V

+

−

Voltage

(Approx.)

Refrigerant pressure sensor

Connector

Terminal

E49

3

Ground

5 V

+

−

Continuity

Refrigerant pressure sensor

ECM

Connector

Terminal

Connector

Terminal

E49

3

F23

29

Existed

REFRIGERANT PRESSURE SENSOR

EC-1239

< DTC/CIRCUIT DIAGNOSIS >

[MR EXCEPT FOR NISMO RS MODELS]

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4. Also check harness for short to power.
Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK REFRIGERANT PRESSURE SENSOR INPUT SIGNAL CIRCUIT

1. Check the continuity between ECM harness connector and refrigerant pressure sensor harness connec-

tor.

2. Also check harness for short to ground and to power.
Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace error-detected parts.

5.

CHECK INTERMITTENT INCIDENT.

Perform 

GI-45, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace refrigerant pressure sensor. Refer to 

HA-36, "Exploded View"

.

NO

>> Repair or replace error-detected parts. 

+

−

Continuity

Refrigerant pressure sensor

ECM

Connector

Terminal

Connector

Terminal

E49

1

F23

13

Existed

+

−

Continuity

Refrigerant pressure sensor

ECM

Connector

Terminal

Connector

Terminal

E49

2

F23

12

Existed

EC-1240

< DTC/CIRCUIT DIAGNOSIS >

[MR EXCEPT FOR NISMO RS MODELS]

SENSOR POWER SUPPLY 2 CIRCUIT

SENSOR POWER SUPPLY 2 CIRCUIT

Description

INFOID:0000000012198770

ECM supplies a voltage of 5 V to some of the sensors systematically divided into 2 groups, respectively.

Accordingly, when a short circuit develops in a sensor power source, a malfunction may occur simultaneously

in the sensors belonging to the same group as the short-circuited sensor.

Sensor power supply 1

• Crankshaft position sensor

• Battery current sensor

• EGR pressure sensor

• Intake manifold runner control valve position sensor

• Manifold absolute pressure sensor

• EGR volume control valve

• Electric wastegate position sensor

• Multi-way control valve position sensor

• Exhaust valve timing control position sensor

• Throttle position sensor

• Accelerator pedal position sensor 1

NOTE:

If sensor power supply 1 circuit is malfunctioning, DTC P0643 is displayed.

Sensor power supply 2

• Mass air flow sensor

• G sensor

• Refrigerant pressure sensor

• Fuel rail pressure sensor

• Engine oil pressure sensor

• Turbocharger boost sensor

• Camshaft position sensor

• Accelerator pedal position sensor 2

Diagnosis Procedure

INFOID:0000000012198771

1.

CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-1

1. Turn ignition switch OFF.

2. Disconnect accelerator pedal position (APP) sensor harness connector.

3. Turn ignition switch ON.

4. Check the voltage between APP sensor harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT-2

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between APP sensor harness connector and ECM harness connector.

+

−

Voltage

(Approx.)

APP sensor

Connector

Terminal

E101

5

Ground

5 V