Nissan Primera P11. Manual — part 115
Circuit Diagram
NCEC0010
YEC062A
ENGINE AND EMISSION CONTROL OVERALL SYSTEM
QG16
I
18DE
Circuit Diagram
EC-17
System Diagram
NCEC0011
YEC116A
ENGINE AND EMISSION CONTROL OVERALL SYSTEM
QG16
I
18DE
System Diagram
EC-18
Vacuum Hose Drawing
NCEC0012
Refer to “System Diagram” on EC-QG-18 for vacuum control system.
NEF231A
Fuel pressure
regulator
EVAP canister purge
pipe (to EVAP
canister)
To air duct
To air control valve
(Power steering)
EVAP canister purge volume
control solenoid valve
EVAP canister
Air
Fuel tank
ENGINE AND EMISSION CONTROL OVERALL SYSTEM
QG16
I
18DE
Vacuum Hose Drawing
EC-19
System Chart
NCEC0013
Input (Sensor)
ECM Function
Output (Actuator)
I
Camshaft position sensor (PHASE)
I
Mass air flow sensor
I
Engine coolant temperature sensor
I
Heated oxygen sensor 1 (front)
I
Ignition switch
I
Throttle position sensor
I
PNP switch
I
Air conditioner switch
I
Knock sensor
I
EGR temperature sensor*1*3
I
Crankshaft position sensor (POS)
I
Battery voltage
I
Power steering oil pressure switch
I
Vehicle speed sensor or ABS actuator and
electric unit (control unit)
I
Intake air temperature sensor
I
Heated oxygen sensor 2 (rear)*2
I
Electrical load
I
Refrigerant pressure sensor
Fuel injection & mixture ratio control
Injectors
Electronic ignition system
Power transistor
Idle air control system
IACV-AAC valve
Valve timing control
Intake valve timing control sole-
noid valve
Fuel pump control
Fuel pump relay
Heated oxygen sensor 1 monitor & on
board diagnostic system
Malfunction indicator
(On the instrument panel)
EGR control*3
EGR volume control valve*3
Heated oxygen sensor 1, 2 heater control
Heated oxygen sensor heater
EVAP canister purge flow control
EVAP canister purge volume con-
trol solenoid valve
Cooling fan control
Cooling fan relay
Air conditioning cut control
Air conditioner relay
*1: This sensor is not used to control the engine system. They are used only for the on board diagnosis.
*2: Under normal conditions, this sensor is not for engine control operation.
*3: If so equipped
ENGINE AND EMISSION CONTROL OVERALL SYSTEM
QG16
I
18DE
System Chart
EC-20
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