Nissan X-Trail 32. Manual - part 974

P0225 APP SENSOR

EC-1025

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

*1: CVT models
*2: M/T models
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Perform trouble diagnosis for power supply circuit.

3.

CHECK ACCELERATOR PEDAL POSITION SENSOR 1 CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Check accelerator pedal position sensor 1 circuit for open and short.

*1: CVT models
*2: M/T models

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK ACCELERATOR PEDAL POSITION SENSOR 

Refer to 

EC-1025, "Component Inspection (Accelerator Pedal Position Sensor)"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace error-detected parts.

Component Inspection (Accelerator Pedal Position Sensor)

INFOID:0000000010935700

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.

+

-

Voltage

(Approx.)

APP sensor

Connector

Terminal

E110

*1

E167

*2

4

Ground

5.0  V

+

-

Continuity

ECM

APP sensor

Connector

Terminal

Connector

Terminal

E79

6

E110

*1

E167

*2

4

Existed

3

2

2

3

ECM

Condition

Voltage

Connector

+

-

Terminal

E79

2

3

Accelerator pedal

Fully released

0.6 - 0.9 V

Fully depressed

3.9 - 4.7 V

11

12

Fully released

0.3 - 0.6 V

Fully depressed

1.95 - 2.4 V

EC-1026

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P0226 APP SENSOR

P0226 APP SENSOR

DTC Description

INFOID:0000000010935701

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors (APP sensor 1 and 2 circuit is open or shorted.)
• Accelerator pedal position sensor

FAIL-SAFE

• Torque limitation
• Pedal limp home activated
• Aftersales and factory routines inhibited
• Freeshift Inhibited
• CCSL deactivation (considered as abnormal with dashboard message)

DTC CONFIRMATION PROCEDURE

1.

PERFORM DIAGNOSIS PROCEDURE

NOTE:
DTC P0226 can not duplicate.

>> Proceed to 

EC-1026, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010935702

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.

*1: CVT models
*2: M/T models

Is the inspection result normal?

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P0226

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

AL DETECTED

• 2.DEF: JAMMED ACCELERATOR PED-

AL DETECTED 

• 3.DEF: IMPLAUSIBLE SIGNAL
• 4.DEF: FAULT ON GANGS 1 AND 2 OF 

THE PEDAL POTENTIOMETER

• ECM does not receive a signal sent from APP sensor 1 and 2.
• ECM detects a invalid signal sent from APP sensor 1 and 2.

+

-

Voltage

(Approx.)

APP sensor

Connector

Terminal

E110

*1

E167

*2

4

Ground

5.0 V

5

P0226 APP SENSOR

EC-1027

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

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.

*1: CVT models
*2: M/T models

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK ACCELERATOR PEDAL POSITION SENSOR 

Refer to 

EC-1027, "Component Inspection (Accelerator Pedal Position Sensor)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

NO

>> Replace error-detected parts.

Component Inspection (Accelerator Pedal Position Sensor)

INFOID:0000000010935703

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

E79

6

E110

*1

E167

*2

4

Existed

3

2

2

3

2

12

1

11

6

10

5

ECM

Condition

Voltage

Connector

+

-

Terminal

E79

2

3

Accelerator pedal

Fully released

0.6 - 0.9 V

Fully depressed

3.9 - 4.7 V

11

12

Fully released

0.3 - 0.6 V

Fully depressed

1.95 - 2.4 V

EC-1028

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P025A FUEL PUMP

P025A FUEL PUMP

DTC Description

INFOID:0000000010935704

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors (Fuel pump relay circuit is open or shorted.)
• Fuel pump relay

FAIL-SAFE

Not applicable

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 

EC-1028, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010935705

1.

CHECK GROUND CONNECTION

1.

Turn ignition switch OFF.

2.

Check ground connection. Refer to Ground Inspection in 

GI-46, "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

>> INSPECTION END

NO

>> GO TO 3.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P025A

FUEL PUMP MODULE CONTROL CIR-
CUIT
(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

ECM

Voltage

+

–

Connector

Terminal

Connector

Terminal

F117

38

E79

1

Battery voltage