Nissan Altima L32. Instruction — part 496
COOLING FAN CONTROL
EC-1105
< FUNCTION DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
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
EC-1106
< FUNCTION DIAGNOSIS >
[VQ35DE]
COOLING FAN CONTROL
Component Description
INFOID:0000000004361985
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)
Cooling fan motor
Engine coolant temperature sensor
Refrigerant pressure sensor
ELECTRONIC CONTROLLED ENGINE MOUNT
EC-1107
< FUNCTION DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
ELECTRONIC CONTROLLED ENGINE MOUNT
System Diagram
INFOID:0000000004361986
System Description
INFOID:0000000004361987
INPUT/OUTPUT SIGNAL CHART
*: This signal is sent to the ECM via the CAN communication line.
SYSTEM DESCRIPTION
The ECM controls the engine mount operation corresponding to the engine speed. The control system has a
2-step control [Soft/Hard]
ELECTRONIC CONTROLLED ENGINE MOUNT LINE DRAWING
JMBIA1970GB
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Engine speed
Engine mount
control
Electronic controlled en-
gine mount control solenoid
valve
Unified meter and A/C amp.
Vehicle speed*
Vehicle condition
Engine mount control
Engine speed: Below 950 rpm
Soft
Engine speed: Above 950 rpm
Hard
EC-1108
< FUNCTION DIAGNOSIS >
[VQ35DE]
ELECTRONIC CONTROLLED ENGINE MOUNT
1.
Power valve actuator 1
2.
VIAS control solenoid valve 1
3.
VIAS control solenoid valve 2
4.
Power valve actuator 2
5.
Intake manifold collector
: From next figure
JMBIA0182ZZ
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