Nissan Juke F15. Manual - part 434

 

  Index      Nissan     Nissan Juke F15 (2015 year) - Service and Repair Manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  432  433  434  435   ..

 

 

Nissan Juke F15. Manual - part 434

 

 

HIGH PRESSURE FUEL PUMP

EC-549

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

HIGH PRESSURE FUEL PUMP

Component Function Check

INFOID:0000000012198094

1.

CHECK HIGH PRESSURE FUEL PUMP FUNCTION

With CONSULT

1. Start engine.

2. Check “FUEL PRES SEN V” in “DATA MONITOR” mode of “ENGINE” using CONSULT.

Without CONSULT

1. Start engine.

2. Check the voltage between ECM harness connector terminals as per the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EC-549, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000012198095

1.

CHECK HIGH PRESSURE FUEL PUMP POWER SUPPLY

1. Turn ignition switch ON.

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

Is inspection result normal?

Monitor Item

Condition

Values/Status

FUEL PRES SEN V

Engine speed: Idle

1,140 – 1,460 mV

Engine speed: Revving engine 
from idle to 4,000 rpm quickly

1,300 – 2,900 mV

ECM

Condition

Voltage

Connector

+

Terminal

F26

55

50

[Engine is running]
• Warm-up condition
• Idle speed

NOTE:
The pulse cycle changes depending on rpm 
at idle

BATTERY VOLTAGE

(11 - 14 V) 

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

BATTERY VOLTAGE

(11 - 14 V) 

JPBIA4722ZZ

JPBIA4723ZZ

+

Voltage

ECM

Connector

Terminal

F26

54

Ground

Battery voltage

EC-550

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

HIGH PRESSURE FUEL PUMP

YES

>> GO TO 8.

NO

>> GO TO 2.

2.

CHECK HIGH PRESSURE FUEL PUMP POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Disconnect fuel injector relay harness connector.

4. Check the continuity between ECM harness connector and high pressure fuel pump relay harness con-

nector.

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

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts

3.

CHECK HIGH PRESSURE FUEL PUMP RELAY POWER SUPPLY (CONTACT SIDE)

Check the voltage between high pressure fuel pump relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Perform the trouble diagnosis for power supply circuit.

4.

CHECK HIGH PRESSURE FUEL PUMP RELAY POWER SUPPLY (EXCITATION COIL SIDE)

1. Reconnect all harness connectors disconnected.

2. Turn ignition switch ON.

3. Check the voltage between high pressure fuel pump relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 5

5.

CHECK HIGH PRESSURE FUEL PUMP RELAY POWER SUPPLY CIRCUIT (EXCITATION COIL SIDE)

1. Turn ignition switch OFF.

2. Disconnect high pressure fuel pump relay harness connector.

3. Disconnect IPDM E/R harness connector.

4. check the continuity between ipdm e/r harness connector and high pressure fuel pump harness connec-

tor.

+

Continuity

ECM

High pressure fuel pump re-

lay

Connector

Terminal

Connector

Terminal

F26

54

E58

3

Existed

+

Voltage

High pressure fuel pump relay

Connector

Terminal

E58

5

Ground

Battery voltage

+

Voltage

High pressure fuel pump relay

Connector

Terminal

E58

2

Ground

Battery voltage

HIGH PRESSURE FUEL PUMP

EC-551

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

5. 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.

6.

CHECK HIGH PRESSURE FUEL PUMP RELAY GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect high pressure fuel pump relay harness connector.

3. Check the continuity between high pressure fuel pump relay harness connector and ground.

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

YES

>> GO TO 7.

NO

>> Repair or replace error-detected parts.

7.

CHECK HIGH PRESSURE FUEL PUMP RELAY

Check the high pressure fuel pump relay. Refer to 

EC-553, "Component Inspection (High Pressure Fuel Pump

Relay)"

.

Is inspection result normal?

YES

>> GO TO 8.

NO

>> Replace high pressure fuel pump relay. Refer to 

PG-9, "Standardized Relay"

.

8.

CHECK HIGH PRESSURE FUEL PUMP CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector and high pressure fuel pump harness connector.

3. Check the continuity between ECM harness connector and high pressure fuel pump harness connector.

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

YES

>> GO TO 9.

NO

>> Repair or replace error-detected parts.

9.

CHECK HIGH PRESSURE FUEL PUMP

Check the high pressure fuel pump. Refer to 

EC-552, "Component Inspection (High Pressure Fuel Pump)"

.

Is inspection result normal?

YES

>> GO TO 10.

NO

>> Replace high pressure fuel pump. Refer to 

EM-49, "Exploded View"

.

+

Continuity

IPDM E/R

High pressure fuel pump re-

lay

Connector

Terminal

Connector

Terminal

E14

35

E58

2

Existed

+

Continuity

High pressure fuel pump relay

Connector

Terminal

E58

1

Ground

Existed

+

Continuity

ECM

High pressure fuel pump

Connector

Terminal

Connector

Terminal

F26

55

F53

1

Existed

56

2

EC-552

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

HIGH PRESSURE FUEL PUMP

10.

CHECK HIGH PRESSURE FUEL PUMP INSTALLATION CONDITION

1. Turn ignition switch OFF.

2. Check that the high pressure fuel pump is installed with no backlash and looseness.
Is the inspection result normal?

YES

>> GO TO 11.

NO

>> Repair or replace error-detected parts.

11.

CHECK CAMSHAFT

1. Remove camshaft. Refer to 

EM-88, "Exploded View"

.

2. Check camshaft. Refer to 

EM-92, "Inspection"

.

Is inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-45, "Intermittent Incident"

.

NO

>> Replace camshaft. Refer to 

EM-88, "Exploded View"

.

Component Inspection (High Pressure Fuel Pump)

INFOID:0000000012198096

1.

CHECK HIGH PRESSURE FUEL PUMP-I

1. Turn ignition switch OFF.

2. Disconnect high pressure fuel pump harness connector.

3. Check the resistance between high pressure fuel pump terminals as follows.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace high pressure fuel pump. Refer to 

EM-49, "Exploded View"

.

2.

CHECK HIGH PRESSURE FUEL PUMP-II

With CONSULT

1. Reconnect high pressure fuel pump harness connector.

2. Start the engine.

3. Check “FUEL PRES SEN” in “DATA MONITOR” of “ENGINE” using CONSULT.

Without CONSULT

1. Start the engine.

2. Check fuel rail pressure sensor signal voltage.

Is the inspection result normal?

YES

>> INSPECTION END

High pressure fuel pump

Condition

Resistance

+

Terminal

1

2

Temperature 

°C (°F)

20 – 30 (68 - 86)

0.46 - 0.51 

Data monitor item

Condition

Voltage

(Approx.)

FUEL PRES SEN V

Engine speed: idle

1,140 – 1,460 mV

Engine speed: Revving engine from idle to 4,000 rpm quickly

 1,300 – 2,900 mV

+

Condition

Value

(Approx.)

Fuel rail pressure sensor

Connector

Terminal

F5

2

Ground

Engine speed: idle

1.14 – 1.46 V

Engine speed: Revving engine 
from idle to 4,000 rpm quickly

 1.3 – 2.9 V

 

 

 

 

 

 

 

Content   ..  432  433  434  435   ..