Nissan Qashqai J11. Manual - part 516

EC9-220

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P0225 APP SENSOR

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK ACCELERATOR PEDAL POSITION SENSOR 

Refer to 

EC9-220, "Component Inspection (Accelerator Pedal Position Sensor)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Replace error-detected parts.

Component Inspection (Accelerator Pedal Position Sensor)

INFOID:0000000010309148

1.

CHECK ACCELERATOR PEDAL POSITION SENSOR

1.

Reconnect all harness connectors disconnected.

2.

Turn ignition switch ON.

3.

Check the voltage between ECM harness connector terminals as follows.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace accelerator pedal assembly.

+

-

Continuity

ECM

APP sensor

Connector

Terminal

Connector

Terminal

E58

27

E20

4

Existed

30

2

31

3

ECM

Condition

Voltage

Connector

+

-

Terminal

E58

31

30

Accelerator pedal

Fully released

0.6 - 0.9 V

Fully depressed

3.9 - 4.7 V

22

21

Fully released

0.3 - 0.6 V

Fully depressed

1.95 - 2.4 V

P0226 APP SENSOR

EC9-221

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

P0226 APP SENSOR

DTC Logic

INFOID:0000000010309149

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DIAGNOSIS PROCEDURE

NOTE:
DTC P0226 can not duplicate.

>> Proceed to 

EC9-221, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010502686

1.

CHECK ACCELERATOR PEDAL STATE

Check that the accelerator pedal is not stuck with the driver side floor mat.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair malfunction.

2.

CHECK ACCELERATOR PEDAL POSITION SENSOR POWER SUPPLY CIRCUIT

Check the power supply of the accelerator pedal position sensor.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Perform trouble diagnosis for power supply circuit.

3.

CHECK ACCELERATOR PEDAL POSITION SENSOR CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Check accelerator pedal position sensor circuit for open and short.

DTC No.

CONSULT screen terms

(Trouble diagnosis con-

tent)

DTC detection condition

Possible cause

P0226

BRAKE/ACCELERATOR 
PEDAL POSITIONS
(Throttle/pedal position 
sensor/switch “C” circuit)
• 1.DEF: JAMMED AC-

CELERATOR PEDAL 
DETECTED

• 2.DEF: JAMMED AC-

CELERATOR PEDAL 
DETECTED 

• 3.DEF: IMPLAUSIBLE 

SIGNAL

• 4.DEF: FAULT ON 

GANGS 1 AND 2 OF 
THE PEDAL POTENTI-
OMETER

• ECM does not receive a signal sent from APP 

sensor 1 and 2.

• ECM detects a invalid signal sent from APP sen-

sor 1 and 2.

• Harness or connectors

(APP sensor 1 and 2 circuit is open 
or shorted.)

• Accelerator pedal position sensor

+

-

Voltage

(Approx.)

APP sensor

Connector

Terminal

E20

4

Ground

5.0 V

5

EC9-222

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P0226 APP SENSOR

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK ACCELERATOR PEDAL POSITION SENSOR 

Refer to 

EC9-222, "Component Inspection (Accelerator Pedal Position Sensor)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Replace error-detected parts.

Component Inspection (Accelerator Pedal Position Sensor)

INFOID:0000000010309151

1.

CHECK ACCELERATOR PEDAL POSITION SENSOR

1.

Reconnect all harness connectors disconnected.

2.

Turn ignition switch ON.

3.

Check the voltage between ECM harness connector terminals as follows.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace accelerator pedal assembly.

Sensor

+

-

Continuity

ECM

APP sensor

Connector

Terminal

Connector

Terminal

1

E58

27

E20

4

Existed

30

2

31

3

2

21

1

22

6

23

5

ECM

Condition

Voltage

Connector

+

-

Terminal

E58

31

30

Accelerator pedal

Fully released

0.6 - 0.9 V

Fully depressed

3.9 - 4.7 V

22

21

Fully released

0.3 - 0.6 V

Fully depressed

1.95 - 2.4 V

P025A FUEL PUMP

EC9-223

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

P025A FUEL PUMP

DTC Logic

INFOID:0000000010499286

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.

Turn ignition switch ON and wait at least 1 second.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

EC9-223, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010499287

1.

CHECK GROUND CONNECTION

1.

Turn ignition switch OFF.

2.

Check ground connection. Refer to Ground Inspection in 

GI-43, "Circuit Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace ground connection.

2.

CHECK FUEL PUMP RELAY CIRCUIT-I

Check the voltage between ECM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 3.

3.

CHECK FUEL PUMP RELAY CIRCUIT-II

1.

Disconnect ECM harness connector.

2.

Disconnect IPDM E/R harness connector.

3.

Check the continuity between ECM harness connector and IPDM E/R harness connector.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P025A

FUEL PUMP MODULE 
CONTROL CIRCUIT
(Fuel pump module control 
circuit/open)
• CC.0: SHORT CIRCUIT 

TO EARTH

• CC.1: SHORT-CIRCUIT 

TO +12V

• CO: OPEN CIRCUIT

• Fuel pump relay circuit is open
• Fuel pump relay circuit is short to ground 

or power

• Harness or connectors

(Fuel pump relay circuit is open or shorted.)

• Fuel  pump  relay

ECM

Voltage

+

–

Connector

Terminal

Connector

Terminal

F82

38

E58

25

Battery voltage