Nissan March K13. Manual - part 142

 

  Index      Nissan     Nissan March K13 - Service and Repair Manual)

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  140  141  142  143   ..

 

 

Nissan March K13. Manual - part 142

 

 

COMPONENT PARTS

EC-29

< SYSTEM DESCRIPTION >

[HR12DE (TYPE 1)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Refrigerant Pressure Sensor

INFOID:0000000005991062

The refrigerant pressure sensor is installed at the condenser of the air conditioner system. The sensor uses an
electrostatic volume pressure transducer to convert refrigerant pressure to voltage. The voltage signal is sent
to ECM, and ECM controls cooling fan system.

Stop Lamp Switch

INFOID:0000000005991063

Brake switch signal is applied to the ECM through the stop lamp
switch when the brake pedal is depressed. This signal is used
mainly to decrease the engine speed when the vehicle is being
driven.

PBIB2657E

JSBIA0308ZZ

EC-30

< SYSTEM DESCRIPTION >

[HR12DE (TYPE 1)]

SYSTEM

SYSTEM

ENGINE CONTROL SYSTEM

ENGINE CONTROL SYSTEM : System Diagram

INFOID:0000000005995397

NOTE:
• Engine oil temperature sensor is not used for engine control system.
• Battery temperature sensor is not used for engine control system.

JPBIA3237GB

SYSTEM

EC-31

< SYSTEM DESCRIPTION >

[HR12DE (TYPE 1)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

ENGINE CONTROL SYSTEM : System Description

INFOID:0000000005995398

ECM performs various controls such as fuel injection control and ignition timing control.

ENGINE CONTROL SYSTEM : Fail Safe

INFOID:0000000005995478

NON DTC RELATED ITEM

DTC RELATED ITEM

Detected 

items

Engine operating condition 

in fail-safe mode

Remarks

Reference page

Malfunction 
indicator 
lamp circuit

Engine speed will not rise 
more than 2,500 rpm due 
to the fuel cut

When there is an open circuit on MIL circuit, the ECM cannot warn the 
driver by lighting up MIL when there is malfunction on engine control 
system.
Therefore, when electrical controlled throttle and part of ECM related 
diagnoses are continuously detected as NG for 5 trips, ECM warns the 
driver that engine control system malfunctions and MIL circuit is open 
by means of operating fail safe function.
The fail safe function also operates when above diagnoses except MIL 
circuit are detected and demands the driver to repair the malfunction.

EC-296, "Compo-

nent Function 

Check"

DTC No.

Detected items

Engine operating condition in fail safe mode

P0011

Intake valve timing control

The signal is not energized to the intake valve timing control solenoid valve and the valve 
control does not function.

P0102
P0103

Mass air flow sensor circuit

Engine speed will not rise more than 2,400 rpm due to the fuel cut.

P0117
P0118

Engine coolant tempera-
ture sensor circuit

Engine coolant temperature will be determined by ECM based on the following conditions.
CONSULT-III displays the engine coolant temperature decided by ECM.

Condition

Engine coolant temperature decided 

(CONSULT-III display)

Just as ignition switch is turned ON 
or START

40

°

C (104

°

F)

Approx. 4 minutes or more after 
engine starting

80

°

C (176

°

F)

Except as shown above

40 - 80

°

C (104 - 176

°

F)

(Depends on the time)

When the fail safe system for engine coolant temperature sensor is activated, the cooling 
fan operates while engine is running.

P0122
P0123
P0222
P0223
P2135

Throttle position sensor

The ECM controls the electric throttle control actuator in regulating the throttle opening in 
order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the normal 
condition.
So, the acceleration will be poor. 

P0403

EGR volume control valve

Engine speed will not rise more than 2,400 rpm due to the fuel cut.

P0605

ECM

(When ECM calculation function is malfunctioning:)
ECM stops the electric throttle control actuator control, throttle valve is maintained at a 
fixed opening (approx. 5 degrees) by the return spring.

P0643

Sensor power supply

ECM stops the electric throttle control actuator control, throttle valve is maintained at a 
fixed opening (approx. 5 degrees) by the return spring.

P1805

Brake switch

ECM controls the electric throttle control actuator by regulating the throttle opening to a 
small range.
Therefore, acceleration will be poor.

Vehicle condition

Driving condition

When engine is idling

Normal

When accelerating

Poor acceleration

EC-32

< SYSTEM DESCRIPTION >

[HR12DE (TYPE 1)]

SYSTEM

MULTIPORT FUEL INJECTION SYSTEM

MULTIPORT FUEL INJECTION SYSTEM : System Diagram

INFOID:0000000005995400

P2100
P2103

Throttle control motor relay

ECM stops the electric throttle control actuator control, throttle valve is maintained at a 
fixed opening (approx. 5 degrees) by the return spring.

P2101

Electric throttle control 
function

ECM stops the electric throttle control actuator control, throttle valve is maintained at a 
fixed opening (approx. 5 degrees) by the return spring.

P2118

Throttle control motor

ECM stops the electric throttle control actuator control, throttle valve is maintained at a 
fixed opening (approx. 5 degrees) by the return spring.

P2119

Electric throttle control ac-
tuator

(When electric throttle control actuator does not function properly due to the return spring 
malfunction:)
ECM controls the electric throttle actuator by regulating the throttle opening around the 
idle position. The engine speed will not rise more than 2,000 rpm.

(When throttle valve opening angle in fail safe mode is not in specified range:)
ECM controls the electric throttle control actuator by regulating the throttle opening to 20 
degrees or less.

(When ECM detects the throttle valve is stuck open:)
While the vehicle is driving, it slows down gradually by fuel cut. After the vehicle stops, the 
engine stalls.
The engine can restart in the Neutral position, and engine speed will not exceed 1,000 rpm 
or more.

P2122
P2123
P2127
P2128
P2138

Accelerator pedal position 
sensor

The ECM controls the electric throttle control actuator in regulating the throttle opening in 
order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the normal 
condition.
So, the acceleration will be poor. 

DTC No.

Detected items

Engine operating condition in fail safe mode

JSBIA0317GB

 

 

 

 

 

 

 

Content   ..  140  141  142  143   ..