Nissan Versa Sedan. Manual — part 352

P2119 ELECTRIC THROTTLE CONTROL ACTUATOR

EC-407

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

C

D

E

F

G

H

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J

K

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M

A

EC

N

P

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P2119 ELECTRIC THROTTLE CONTROL ACTUATOR

DTC Logic

INFOID:0000000009267281

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-

ing the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A AND B

1. Turn ignition switch ON and wait at least 1 second.

2. Set selector lever to D (A/T or CVT) or 1st (M/T) position and wait at least 3 seconds.

3. Set selector lever to P (A/T or CVT) or Neutral (M/T) position.

4. Turn ignition switch OFF and wait at least 10 seconds.

5. Turn ignition switch ON and wait at least 1 second.

6. Set selector lever to D (A/T or CVT) or 1st (M/T) position and wait at least 3 seconds.

7. Set selector lever to P (A/T or CVT) or Neutral (M/T) position.

8. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.

9. Check DTC.
Is DTC detected?

YES

>> Go to

EC-407, "Diagnosis Procedure"

.

NO

>> GO TO 3.

3.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C

1. Turn ignition switch ON and wait at least 1 second.

2. Set selector lever to D (A/T or CVT) or 1st (M/T) position and wait at least 3 seconds.

3. Set selector lever to P (A/T or CVT) or Neutral (M/T) position.

4. Start engine and let it idle for 3 seconds.

5. Check DTC.
Is DTC detected?

YES

>> Go to

EC-407, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009267282

1.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY

1. Turn ignition switch OFF.

2. Remove the intake air duct. Refer to

EM-25, "Removal and Installation"

.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P2119

Electric throttle control
actuator

A)

Electric throttle control actuator does not function
properly due to the return spring malfunction.

Electric throttle control actuator

B)

Throttle valve opening angle in fail-safe mode is
not in specified range.

C)

ECM detect the throttle valve is stuck open.

EC-408

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

P2119 ELECTRIC THROTTLE CONTROL ACTUATOR

3. Check if foreign matter is caught between the throttle valve (1)

and the housing.

-

: Vehicle front

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Remove the foreign matter and clean the electric throttle

control actuator inside, and then perform throttle valve

closed position learning. Refer to

EC-125, "Work Proce-

dure"

.

2.

REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

Replace electric throttle control actuator. Refer to

EM-27, "Removal and Installation"

.

>> INSPECTION END

PBIB2974E

P2122, P2123 APP SENSOR

EC-409

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

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P2122, P2123 APP SENSOR

DTC Logic

INFOID:0000000009267283

DTC DETECTION LOGIC

NOTE:

If DTC P2122 or P2123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.

Refer to

EC-344, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-

ing the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

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

2. Check DTC.
Is DTC detected?

YES

>> Go to

EC-409, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009267284

1.

CHECK GROUND CONNECTION

1. Turn ignition switch OFF.

2. Check ground connection E15. Refer to Ground Inspection in

GI-48, "Circuit Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace ground connection.

2.

CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT

1. Disconnect accelerator pedal position (APP) sensor harness connector.

2. Turn ignition switch ON.

3. Check the voltage between APP sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair open circuit or short to ground or short to power in harness or connectors.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P2122

Accelerator pedal position
sensor 1 circuit low input

An excessively low voltage from the APP
sensor 1 is sent to ECM.

• Harness or connectors

(APP sensor 1 circuit is open or shorted.)

• Accelerator pedal position sensor

(APP sensor 1)

P2123

Accelerator pedal position
sensor 1 circuit high input

An excessively high voltage from the APP
sensor 1 is sent to ECM.

APP sensor

Ground

Voltage

(Approx.)

Connector

Terminal

E12

4

Ground

5 V

EC-410

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

P2122, P2123 APP SENSOR

3.

CHECK APP SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT

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 ground and short to power.
Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair open circuit or short to ground or short to power in harness or connectors.

4.

CHECK APP SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

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

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

YES

>> GO TO 5.

NO

>> Repair open circuit or short to ground or short to power in harness or connectors.

5.

CHECK APP SENSOR

Refer to

EC-410, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 6.

6.

REPLACE ACCELERATOR PEDAL ASSEMBLY

Replace accelerator pedal assembly. Refer to

ACC-3, "Exploded View"

.

>> INSPECTION END

7.

CHECK INTERMITTENT INCIDENT

Refer to

GI-45, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000009267285

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 and ground.

APP sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

E12

2

E16

111

Existed

APP sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

E12

3

E16

110

Existed