Nissan X-Trail 32. Instruction — part 725
COMPONENT PARTS
EC-29
< SYSTEM DESCRIPTION >
[MR20DD]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
JSBIA4503ZZ
Cylinder block left side
(Vehicle front side)
Cylinder head front side
(Vehicle right side)
: Vehicle front
No.
Component
Function
1.
Ignition coil
EC-33, "Ignition Coil With Power Transistor"
2.
PCV valve
EC-42, "Positive Crankcase Ventilation"
3.
Engine oil pressure sensor
EC-40, "Engine Oil Pressure Sensor"
4.
Engine oil temperature sensor
EC-40, "Engine Oil Temperature Sensor"
5.
Camshaft position sensor
EC-37, "Camshaft Position Sensor"
6.
Engine coolant temperature sensor
EC-36, "Engine Coolant Temperature Sensor"
7.
Exhaust valve timing control position sensor
EC-37, "Exhaust Valve Timing Control Position Sensor"
8.
High pressure fuel pump
EC-34, "High Pressure Fuel Pump"
9.
Fuel injector
EC-30
< SYSTEM DESCRIPTION >
[MR20DD]
COMPONENT PARTS
EXHAUST COMPARTMENT
BODY COMPARTMENT
10.
Fuel rail pressure sensor
EC-35, "Fuel Rail Pressure Sensor"
11.
Knock sensor
12.
Crankshaft position sensor
EC-37, "Crankshaft Position Sensor"
13.
Exhaust valve timing control solenoid valve
EC-38, "Exhaust Valve Timing Control Solenoid Valve"
14.
Intake valve timing control solenoid valve
EC-37, "Intake Valve Timing Control Solenoid Valve"
No.
Component
Function
No.
Component
Function
1.
Air fuel ratio (A/F) sensor 1
EC-38, "Air Fuel Ratio (A/F) Sensor 1"
2.
Heated oxygen sensor 2
EC-39, "Heated Oxygen Sensor 2"
JSBIA4504ZZ
COMPONENT PARTS
EC-31
< SYSTEM DESCRIPTION >
[MR20DD]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Periphery of pedals
Front right side of engine room area
Vehicle front
No.
Component
Function
1.
ASCD steering switch
2.
Combination meter
MIL
MWI-50, "WARNING LAMPS/INDICATOR LAMPS : Mal-
function Indicator Lamp (MIL)"
3.
Refrigent pressure sensor
EC-41, "Refrigerant Pressure Sensor"
4.
Cooling fan motor
5.
Relay box
Cooling fan relay
Controled by IPDM E/R, which receives command from
ECM, energizes cooling fan motor.
Fuel injector relay
Controlled by ECM, energizes fuel injectors through ECM in-
side.
High pressure fuel pump relay
Controlled by ECM, energizes high pressure fuel pump.
6.
Fuel gauge/ fuel filter/ fuel pump ASSY
EC-35, "Low Pressure Fuel Pump"
7.
Clutch pedal position switch
EC-41, "Clutch Pedal Position Switch"
8.
Brake pedal position switch
EC-41, "Stop Lamp Switch and Brake pedal position switch"
9.
Stop lamp switch
EC-41, "Stop Lamp Switch and Brake pedal position switch"
JSBIA5139ZZ
EC-32
< SYSTEM DESCRIPTION >
[MR20DD]
COMPONENT PARTS
ECM
INFOID:0000000010775004
The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The ECM controls the engine.
Accelerator Pedal Position Sensor
INFOID:0000000010775005
The accelerator pedal position sensor is installed on the upper end
of the accelerator pedal assembly. The sensor detects the accelera-
tor position and sends a signal to the ECM.
Accelerator pedal position sensor has two sensors. These sensors
are a kind of potentiometers which transform the accelerator pedal
position into output voltage, and emit the voltage signal to the ECM.
In addition, these sensors detect the opening and closing speed of
the accelerator pedal and feed 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 the engine operation such as fuel cut.
Electric Throttle Control Actuator
INFOID:0000000010775006
Description
10.
Accelerator pedal position sensor
EC-32, "Accelerator Pedal Position Sensor"
11.
EVAP canister
EC-40, "EVAP Canister Purge Volume Control Solenoid
Valve"
No.
Component
Function
JPBIA4618ZZ
JPBIA4615ZZ
PBIB1741E
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