Nissan Altima L32. Instruction — part 498
ELECTRONIC CONTROLLED ENGINE MOUNT
EC-1113
< FUNCTION DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
1.
A/F sensor 1 (bank 1)
2.
A/F sensor 1 (bank 2)
3.
HO2S2 (bank 1) harness connector
4.
HO2S2 (bank 2) harness connector
(CVT models)
5.
Front engine mount
6.
HO2S2 (bank 2) harness connector
(M/T models)
7.
Crankshaft position sensor (POS)
(M/T models)
8.
Crankshaft position sensor (POS)
(CVT models)
: Vehicle front
1.
Electronic controlled engine mount
control solenoid valve
2.
EVAP control system pressure sen-
sor
3.
EVAP canister vent control valve
4.
EVAP canister
5.
Injector harness connector
6.
Intake valve timing control solenoid
valve (bank 1)
7.
Intake valve timing control solenoid
valve (bank 2)
: Vehicle front
ALBIA0103ZZ
EC-1114
< FUNCTION DIAGNOSIS >
[VQ35DE]
ELECTRONIC CONTROLLED ENGINE MOUNT
1.
Knock sensor (bank 2)
2.
Knock sensor (bank 1)
3.
PNP switch (CVT models)
4.
PNP switch (M/T models)
5.
Battery
6.
IPDM E/R
7.
ECM
8.
Refrigerant pressure sensor
(shown with front grill removed)
9.
Accelerator pedal
: Vehicle front
ALBIA0104ZZ
ELECTRONIC CONTROLLED ENGINE MOUNT
EC-1115
< FUNCTION DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Component Description
INFOID:0000000004361989
1.
ASCD brake switch
2.
Stop lamp switch
3.
Brake pedal
4.
ASCD steering switch
5.
ASCD clutch switch (M/T models)
6.
Clutch pedal
ALBIA0105ZZ
Component
Reference
Camshaft position sensor (PHASE)
Crankshaft position sensor (POS)
Electronic controlled engine mount control solenoid valve
EC-1116
< FUNCTION DIAGNOSIS >
[VQ35DE]
EVAPORATIVE EMISSION SYSTEM
EVAPORATIVE EMISSION SYSTEM
System Diagram
INFOID:0000000004361990
System Description
INFOID:0000000004361991
INPUT/OUTPUT SIGNAL CHART
*1: ECM determines the start signal status by the signals of engine speed and battery voltage.
*2: This signal is sent to the ECM via the CAN communication line.
SYSTEM DESCRIPTION
The evaporative emission system is used to reduce hydrocarbons emitted into the atmosphere from the fuel
system. This reduction of hydrocarbons is accomplished by activated charcoals in the EVAP canister.
The fuel vapor in the sealed fuel tank is led into the EVAP canister which contains activated carbon and the
vapor is stored there when the engine is not operating or when refueling to the fuel tank.
The vapor in the EVAP canister is purged by the air via the purge line to the intake manifold when the engine
is operating. EVAP canister purge volume control solenoid valve is controlled by ECM. When the engine oper-
ates, the flow rate of vapor controlled by EVAP canister purge volume control solenoid valve is proportionally
regulated as the air flow increases.
JMBIA1530GB
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Engine speed*
1
Piston position
EVAP canister
purge flow control
EVAP canister purge vol-
ume control solenoid valve
Camshaft position sensor (PHASE)
Mass air flow sensor
Amount of intake air
Engine coolant temperature sensor
Engine coolant temperature
Air fuel ratio (A/F) sensor 1
Density of oxygen in exhaust gas
(Mixture ratio feedback signal)
Throttle position sensor
Throttle position
Accelerator pedal position sensor
Accelerator pedal position
Battery
Battery voltage*
1
Fuel tank temperature sensor
Fuel temperature in fuel tank
EVAP control system pressure sensor
Pressure in purge line
Unified meter and A/C amp.
Vehicle speed*
2
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