Nissan Maxima. Manual — part 400

EC-84

< SYSTEM DESCRIPTION >

[VQ35DE]

COOLING FAN CONTROL

Component Description

INFOID:0000000010094821

1.

Stop lamp switch

2.

ASCD brake switch

3.

ASCD steering switch

AWBIA0670ZZ

Component

Reference

Camshaft position sensor (PHASE)

EC-300, "Description"

Crankshaft position sensor (POS)

EC-296, "Description"

Cooling fan motor

EC-486, "Description"

Engine coolant temperature sensor

EC-201, "Description"

Refrigerant pressure sensor

EC-515, "Description"

ELECTRONIC CONTROLLED ENGINE MOUNT

EC-85

< SYSTEM DESCRIPTION >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

ELECTRONIC CONTROLLED ENGINE MOUNT

System Diagram

INFOID:0000000010094822

System Description

INFOID:0000000010094823

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

JMBIA1906GB

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-86

< SYSTEM DESCRIPTION >

[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

ELECTRONIC CONTROLLED ENGINE MOUNT

EC-87

< SYSTEM DESCRIPTION >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

NOTE:

Do not use soapy water or any type of solvent while installing vacuum hose.

1.

Electronic controlled engine mount
control solenoid valve

2.

Front electronic controlled engine
mount

3.

Rear electronic controlled engine
mount

: To previous figure

JMBIA0183ZZ