Nissan Qashqai J11. Manual - part 348

P2138 APP SENSOR

ECM-369

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

C

D

E

F

G

H

I

J

K

L

M

A

ECM

N

P

O

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> GO TO 6.

6.

CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace malfunctioning part.

7.

CHECK SENSOR POWER SUPPLY 2 CIRCUIT

Perform 

ECM-392, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace malfunctioning part.

8.

CHECK APP SENSOR 1 GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

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

4.

Also check harness for short to power.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair or replace malfunctioning part.

9.

CHECK APP SENSOR 2 GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

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

4.

Also check harness for short to power.

+

−

Voltage

(Approx.)

APP sensor

Connector

Terminal

E20

5

Ground

5 V

+

−

Continuity

APP sensor

ECM

Connector

Terminal

Connector

Terminal

E20

5

E57

118

Existed

+

−

Continuity

APP sensor

ECM

Connector

Terminal

Connector

Terminal

E20

2

E57

127

Existed

+

−

Continuity

APP sensor

ECM

Connector

Terminal

Connector

Terminal

E20

1

E57

120

Existed

ECM-370

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

P2138 APP SENSOR

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair or replace malfunctioning part.

10.

CHECK ECM GROUND CIRCUIT

Check the continuity between ECM harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace malfunctioning part.

11.

CHECK APP SENSOR INPUT SIGNAL CIRCUIT

1.

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

2.

Also check harness for short to ground and to power.

Is the inspection result normal?

YES

>> GO TO 12.

NO

>> Repair or replace malfunctioning part.

12.

CHECK APP SENSOR

Check the APP sensor. Refer to 

ECM-370, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace accelerator pedal assembly. Refer to 

ACC-3, "Removal and Installation"

.

Component Inspection

INFOID:0000000010703058

1.

CHECK ACCELERATOR PEDAL POSITION SENSOR

1.

Turn ignition switch OFF.

2.

Reconnect all harness connectors disconnected.

3.

Turn ignition switch ON.

4.

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

+

−

Continuity

ECM

Connector

Terminal

F15

11

Ground

Existed

E57

123

125

128

+

−

Continuity

APP sensor

ECM

Connector

Terminal

Connector

Terminal

E20

3

E57

126

Existed

6

119

P2138 APP SENSOR

ECM-371

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

C

D

E

F

G

H

I

J

K

L

M

A

ECM

N

P

O

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace accelerator pedal assembly. Refer to 

ACC-3, "Removal and Installation"

.

ECM

Condition

Voltage

Connector

+

–

Terminal

E57

126

127

Accelerator pedal

Fully released

0.6 - 0.9 V

Fully depressed

3.9 - 4.7 V

119

120

Fully released

0.3 - 0.6 V

Fully depressed

1.95 - 2.4 V

ECM-372

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

FUEL INJECTOR

FUEL INJECTOR

Component Function Check

INFOID:0000000010703059

1.

INSPECTION START

Turn ignition switch to START.
Are any cylinders ignited?

YES

>> GO TO 2.

NO

>> Proceed to 

ECM-372, "Diagnosis Procedure"

.

2.

CHECK FUEL INJECTOR FUNCTION

With CONSULT

1.

Start engine.

2.

Perform “POWER BALANCE” in “ACTIVE TEST” mode with CONSULT.

3.

Check that each circuit produces a momentary engine speed drop.

Without CONSULT

1.

Start engine and let it idle.

2.

Listen to each fuel injector operating sound.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

ECM-372, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010703060

1.

CHECK FUEL INJECTOR POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect fuel injector harness connector.

3.

Turn ignition switch ON.

4.

Check the voltage between fuel injector harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> GO TO 2.

2.

CHECK FUEL INJECTOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Check the continuity between fuel injector harness connector and ECM harness connector.

Clicking sound should be heard.

PBIB3332E

+

−

Voltage

Fuel injector

Cylinder

Connector

Terminal

1

F29

1

Ground

Battery voltage

2

F30

1

3

F31

1

4

F32

1