Nissan March K13. Manual - part 216

COMPONENT PARTS

EC-325

< SYSTEM DESCRIPTION >

[HR12DE (TYPE 2)]

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BODY COMPARTMENT

1.

Heated oxygen sensor 1

2.

Heated oxygen sensor 2

A.

To engine assembly

JPBIA3215ZZ

EC-326

< SYSTEM DESCRIPTION >

[HR12DE (TYPE 2)]

COMPONENT PARTS

Component Description

INFOID:0000000006036718

1.

Fuel pump (with fuel level sensor unit 
and fuel pressure regulator)
Refer to 

MWI-4, "Component Parts Lo-

cation"

2.

EVAP canister

3.

Stop lamp switch

4.

Accelerator pedal position sensor

A.

Left side of engine room

B.

Periphery of pedals

：

Vehicle front

JSBIA0430ZZ

Component

Reference

ECM

EC-327, "ECM"

Malfunction indicator lamp

EC-327, "Malfunction Indicator Lamp (MIL)"

Ignition coil with power transistor

EC-328, "Ignition Coil With Power Transistor"

Accelerator pedal position sensor

EC-328, "Accelerator Pedal Position Sensor"

Manifold absolute pressure (MAP) sensor

EC-328, "Manifold Absolute Pressure (MAP) Sensor"

Intake air temperature sensor

Electric throttle control actuator

EC-329, "Electric Throttle Control Actuator"

Throttle control motor relay

Throttle control motor

Throttle position sensor

Crankshaft position sensor (POS)

EC-329, "Crankshaft Position Sensor (POS)"

Camshaft position sensor (PHASE)

EC-330, "Camshaft Position Sensor (PHASE)"

COMPONENT PARTS

EC-327

< SYSTEM DESCRIPTION >

[HR12DE (TYPE 2)]

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ECM

INFOID:0000000006036719

• ECM  (Engine Control Module) controls the engine.
• ECM consists of a microcomputer and connectors for signal input

and output and for power supply.

• Battery voltage is supplied to the ECM even when the ignition

switch is turned OFF for the ECM memory function of the DTC
memory, the air-fuel ratio feedback compensation value memory,
the idle air volume learning value memory, etc.

Malfunction Indicator Lamp (MIL)

INFOID:0000000006036720

The Malfunction Indicator Lamp (MIL) is located on the combination
meter.
The MIL will illuminate when the ignition switch is turned ON without
the engine running. This is a bulb check.
When the engine is started, the MIL should turn off. If the MIL
remains illuminated, the on board diagnostic system has detected an
engine system malfunction.
For details, refer to 

EC-346, "Diagnosis Description"

.

Engine coolant temperature sensor

EC-330, "Engine Coolant Temperature Sensor"

Fuel injector

EC-331, "Fuel Injector"

Fuel pump

EC-331, "Fuel Pump"

Heated oxygen sensor 1

EC-331, "Heated Oxygen Sensor 1"

Heated oxygen sensor 1 heater

Heated oxygen sensor 2

EC-332, "Heated Oxygen Sensor 2"

Heated oxygen sensor 2 heater

Knock sensor

EC-333, "Knock Sensor"

Cooling fan control module

EC-333, "Cooling Fan"

Cooling fan motor

EVAP canister purge volume control solenoid valve

EC-333, "EVAP Canister Purge Volume Control Solenoid Valve"

PCV valve

EC-322, "Positive Crankcase Ventilation"

Refrigerant pressure sensor

EC-333, "Refrigerant Pressure Sensor"

Stop lamp switch

EC-334, "Stop Lamp Switch"

Park/neutral position (PNP) switch (M/T models)

EC-458, "Description"

Transmission range switch (A/T models)

Component

Reference

PBIB1164E

SAT652J

EC-328

< SYSTEM DESCRIPTION >

[HR12DE (TYPE 2)]

COMPONENT PARTS

Ignition Coil With Power Transistor

INFOID:0000000006036721

The ignition signal from the ECM is sent to and amplified by the
power transistor. The power transistor turns ON and OFF the ignition
coil primary circuit. This ON/OFF operation induces the proper high
voltage in the coil secondary circuit.

Accelerator Pedal Position Sensor

INFOID:0000000006036722

The accelerator pedal position sensor is installed on the accelerator
pedal assembly. The sensor detects the accelerator position and
sends a signal to the ECM.
Accelerator pedal position sensor has two sensors. These sensors
are a kind of potentiometer which transform the accelerator pedal
position into output voltage, and emit the voltage signals to the ECM.
The ECM judges the current opening angle of the accelerator pedal
from these signals and controls the throttle control motor based on
these signals.
Idle position of the accelerator pedal is determined by the ECM
receiving the signal from the accelerator pedal position sensor. The
ECM uses this signal for engine operations such as fuel cut.

Manifold Absolute Pressure (MAP) Sensor

INFOID:0000000006036723

MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR

The manifold absolute pressure (MAP) sensor is placed intake man-
ifold corrector. It detects intake manifold pressure and sends the
voltage signal to the ECM, ECM uses the signal to compute intake
air volume value.
The sensor uses a silicon diaphragm which is sensitive to the
change in pressure. As the pressure increase, the voltage rises.

INTAKE AIR TEMPERATURE SENSOR

The intake air temperature sensor is built-into the manifold absolute pressure (MAP) sensor. The sensor
detects intake air temperature and transmits a signal to the ECM.
The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical
resistance of the thermistor decreases in response to the rise in temperature.
<Reference data>

*: These data are reference values and are measured between ECM terminals 48
(Intake air temperature sensor) and 42 (Sensor ground).

PBID0206J

PBIB1741E

MBIB0278E

Intake air temperature

[

°

C (

°

F)]

Voltage*

(V)

Resistance

(k

Ω

)

25 (77)

3.3

1.800 - 2.200

80 (176)

1.2

0.283 - 0.359

SEF012P