Nissan Qashqai J11. Manual - part 412

 

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Nissan Qashqai J11. Manual - part 412

 

 

ECK-208

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P018C FUEL PRESSURE SENSOR

5.

CHECK FUEL RAIL PRESSURE SENSOR CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Check fuel rail pressure sensor circuit for open and short.

Is the inspection result normal?

YES

>> Replace fuel rail pressure sensor.

NO

>> Repair or replace error-detected parts.

+

-

Continuity

ECM

Fuel rail pressure sensor

Connector

Terminal

Connector

Terminal

F80

45

F40

3

Existed

68

2

72

1

P0190 FRP SENSOR

ECK-209

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

ECK

N

P

O

P0190 FRP SENSOR

DTC Logic

INFOID:0000000010289793

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DIAGNOSIS PROCEDURE

NOTE:
DTC P0190 can not duplicate.

>> Proceed to 

ECK-209, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010289794

1.

CHECK ECM HARNESS CONNECTOR CONNECTIONS

1.

Turn ignition switch OFF.

2.

Check ECM harness connector connection F80.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK FUEL RAIL PRESSURE SENSOR HARNESS CONNECTOR CONNECTIONS

Check fuel rail pressure sensor harness connector connection F40.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK FUEL PIPING

Check fuel hoses and fuel tubes for clogging.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK FUEL RAIL PRESSURE SENSOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch ON.

2.

Check the power supply of the fuel rail pressure sensor.

Is the inspection result normal?

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0190

RAIL PRESSURE SENSOR CIR-
CUIT 
(Fuel rail pressure sensor “A” circuit)
• 1.DEF: VOLTAGE TOO LOW
• 2.DEF: VOLTAGE TOO HIGH
• 3.DEF: ABOVE THE MAX LEVEL
• 4.DEF: SIGNAL INCOHERENCE
• 5.DEF: INTERMITTENT SIGNAL 

INCOHERENCE

• An excessively low voltage from the 

sensor is sent to ECM.

• An excessively high voltage from the 

sensor is sent to ECM.

• An improper voltage signal from sen-

sor is sent to ECM.

• Harness or connectors

(Fuel rail pressure sensor circuit is 
open or shorted.)

• Fuel rail pressure sensor
• ECM

+

-

Voltage

(Approx.)

Fuel rail pressure sensor

Connector

Terminal

F40

3

Ground

5.0 V

ECK-210

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P0190 FRP SENSOR

YES

>> GO TO 5.

NO

>> Perform trouble diagnosis for power supply circuit.

5.

CHECK FUEL RAIL PRESSURE SENSOR CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Check fuel rail pressure sensor circuit for open and short.

Is the inspection result normal?

YES

>> Replace fuel rail pressure sensor.

NO

>> Repair or replace error-detected parts.

+

-

Continuity

ECM

Fuel rail pressure sensor

Connector

Terminal

Connector

Terminal

F80

45

F40

3

Existed

68

2

72

1

P0200 FUEL INJECTOR

ECK-211

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

ECK

N

P

O

P0200 FUEL INJECTOR

DTC Logic

INFOID:0000000010289795

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 1 minute before conducting the next test.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start engine and let it idle for at least 1 second.

2.

Check DTC.

Is DTC detected?

YES

>>

ECK-211, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010289796

1.

CHECK FUEL RETURN HOSE

Check Fuel return hose.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK FUEL INJECTOR CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Check fuel injector circuit for open and short.

Is the inspection result normal?

YES

>> GO TO 3.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible Cause

P0200

INJECTOR CONTROL 
CIRCUIT
(Injector circuit/open)
• 1.DEF: VALUES OUT-

SIDE TOLERANCES

• ECM detects fuel injectors circuit malfunction.
• Injector code is not stored into ECM.

• Harness or connectors
• Injector code error

Cylinder

+

-

Continuity

ECM

Fuel injector

Connector

Terminal

Connector

Terminal

No.1

F81

156

F155

1

Existed

160

2

No.2

153

F156

1

157

2

No.3

155

F157

1

159

2

No.4

154

F158

1

158

2

 

 

 

 

 

 

 

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