Nissan March K13. Manual - part 201

P2118 THROTTLE CONTROL MOTOR

EC-265

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Refer to 

EC-265, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 5.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-33, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace electric throttle control actuator. Refer to 

EM-29, "WITH EGR CONTROL VALVE :

Exploded View"

.

NO

>> Repair or replace harness or connectors. 

Component Inspection

INFOID:0000000006059218

1.

CHECK THROTTLE CONTROL MOTOR

1.

Disconnect electric throttle control actuator harness connector.

2.

Check resistance between electric throttle control actuator terminals as follows.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace electric throttle control actuator. Refer to 

EM-29, "WITH EGR CONTROL VALVE :

Exploded View"

.

Terminals

Resistance [at 25

°

C (77

°

F)]

5 and 6

Approx. 1 - 15 

Ω

 

EC-266

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

P2119 ELECTRIC THROTTLE CONTROL ACTUATOR

P2119 ELECTRIC THROTTLE CONTROL ACTUATOR

DTC Logic

INFOID:0000000005989357

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 10 seconds before conducting the next test.

>> 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 1st position and wait at least 3 seconds.

3.

Set selector lever to Neutral 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 1st position and wait at least 3 seconds.

7.

Set selector lever to Neutral 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-266, "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 1st position and wait at least 3 seconds.

3.

Set selector lever to Neutral position.

4.

Start engine and let it idle for 3 seconds.

5.

Check DTC.

Is DTC detected?

YES

>> Go to 

EC-266, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006059219

1.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY

1.

Turn ignition switch OFF.

2.

Remove the intake air duct.

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.

P2119 ELECTRIC THROTTLE CONTROL ACTUATOR

EC-267

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

C

D

E

F

G

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A

EC

N

P

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3.

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

-

: Vehicle front

Is the inspection result normal?

YES

>> Replace electric throttle control actuator. Refer to 

EM-

29, "WITH EGR CONTROL VALVE : Exploded View"

.

NO

>> Remove the foreign matter and clean the electric throttle

control actuator inside.

JSBIA0341ZZ

EC-268

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

P2122, P2123 APP SENSOR

P2122, P2123 APP SENSOR

DTC Logic

INFOID:0000000005989360

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-228, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
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-268, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005989361

1.

CHECK GROUND CONNECTION

1.

Turn ignition switch OFF.

2.

Check ground connection E38. Refer to Ground Inspection in 

GI-35, "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.

3.

CHECK APP SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

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

Connector

Terminal

M206

4

Ground

Approx. 5 V