Nissan Murano. Instruction — part 280

DAS-10

< SYSTEM DESCRIPTION >

[LDW]

COMPONENT PARTS

• Power for the camera is supplied from the camera control unit, and the image at the rear of the vehicle is

sent to the camera control unit.

• The rear view camera is equipped with a washer nozzle and air nozzle for cleaning camera. A check valve is

installed to the tube connected to the washer nozzle.

NOTE:
*: “CMOS” is abbreviation of Complementary Metal Oxide Semiconductor, and features low power consump-
tion and high speed reading rate of electric charge.

Camera Specification

Pump Control Unit

INFOID:0000000009723206

• Pump control unit is installed in under the luggage floor front fin-

isher.

• Communicates with camera control unit via communication line.
• Activates air pump and washer pump according to the signal from camera control unit.
• Receives rear washer signal from washer switching solenoid valve.

Washer/Air nozzle

Rear view camera

Harness

Check valve

Washer tube

Air tube

JSOIA0647ZZ

Manufacturer name

SONY Corp.

Image pickup element

1/4-inch CMOS image sensor

Effective number of pixels

Approx. 300,000 pixels (632

×

480)

Minimum brightness

2 lx

Angle of view

H: 190.4

°

V: 141.8

°

Image

With mirror processing function

JSOIA0658ZZ

DAS

COMPONENT PARTS

DAS-11

< SYSTEM DESCRIPTION >

[LDW]

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Air Pump

INFOID:0000000009723207

• Air pump is installed in the luggage floor spacer LH in the luggage

room.

• Air pump is activated and generates compressed air when power is supplied from the pump control unit.
• Compressed air jets out from the air nozzle of rear view camera via air tube.

Washer Switching Solenoid Valve

INFOID:0000000009723208

• Washer switching solenoid valve is installed in the back door.
• When rear washer is in the inactive condition, the solenoid valve is

inactive and rear view camera washer path is activated.

• When rear washer is in the active condition, the solenoid valve is

active and the washer path is switched to rear washer side.

• When solenoid valve is active, a rear washer signal is transmitted

to the pump control unit.

Rear View Camera Washer Relay

INFOID:0000000009723209

• Rear view camera washer relay 1 and 2 are installed in the engine

room LH

• When the relay is in the inactive state, the circuit of window washer

is energized.

• Rear view camera washer relay 1and 2 are activated according to

a signal from the pump control unit and activate the washer pump
regardless of window washer activation.

Warning Systems Switch/Warning Systems ON Indicator

INFOID:0000000009723210

• Installed to the instrument lower panel, the warning systems switch is used to activate/deactivate the LDW

and BSW systems.

• Transmits a warning systems switch signal to the camera control unit.

JSOIA0660ZZ

JSOIA0659ZZ

JSOIA0655ZZ

DAS-12

< SYSTEM DESCRIPTION >

[LDW]

SYSTEM

SYSTEM

System Description

INFOID:0000000009723211

SYSTEM DIAGRAM

CAMERA CONTROL UNIT INPUT/OUTPUT SIGNAL ITEM

Input Signal Item

JSOIA0636GB

DAS

SYSTEM

DAS-13

< SYSTEM DESCRIPTION >

[LDW]

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Output Signal Item

FUNCTION DESCRIPTION

• Lane Departure Warning (LDW) system provides a lane departure warning function when the vehicle is

driven at speeds of approximately 70 km/h (45 MPH) or more.

• When the vehicle approaches either the left or the right side of the traveling lane, a warning will sound and

the lane departure warning lamp (yellow) on the combination meter will blink to alert the driver.

• The warning does not occur during turn signal operation (Lane change side).
• The warning function will stop when the vehicle returns inside of the lane markers.

Transmit unit

Signal name

Description

ABS actuator
and electric unit
(control unit)

CAN com-
munica-
tion

Vehicle speed signal (ABS)

Receives wheel speeds of four wheels

VDC malfunction signal

Receives a malfunction state of VDC

BCM

CAN com-
munica-
tion

Turn indicator signal

Receives an operational state of the turn signal lamp
and the hazard lamp

AV control unit

CAN com-
munica-
tion

System selection signal

Receives a selection state of each item in “Driver as-
sist” selected with the navigation system

Steering angle
sensor

CAN com-
munica-
tion

Steering angle sensor signal

Receives the number of revolutions, turning direction of
the steering wheel

ECM

CAN com-
munica-
tion

Engine status signal

Receives the engine status

Engine coolant temperature signal

Receives the engine coolant temperature

A/C auto amp.

CAN com-
munica-
tion

Ambient sensor signal

Receives the ambient temperature

Rear view cam-
era

Communi-
cation line

Camera image signal

Receives the camera image signal

Washer level
switch

Washer level switch signal

Receives a status of washer fluid level

Warning sys-
tems switch

Warning systems switch signal

Receives an ON/OFF state of the warning systems
switch

Reception unit

Signal name

Description

Combination
meter

CAN commu-
nication

Lane departure warning lamp signal

Transmits a lane departure warning lamp signal to
turn ON the lane departure warning lamp

LDW ON indicator lamp signal

Transmits a LDW ON indicator lamp signal to turn ON
the LDW ON indicator lamp

Meter display
signal

Clean camera display
signal

Transmits a meter display signal to turn ON the clean
camera indication on the information display.

Buzzer output signal

Transmits a buzzer output signal to activates the
warning buzzer

Pump control
unit

Communica-
tion line

Rear view camera washer signal

Transmits a rear view camera washer signal to acti-
vates the washer pump

Rear view camera air blow signal

Transmits a rear view camera air blow signal to acti-
vates the air pump

Warning sys-
tems ON indi-
cator

Warning systems ON indicator signal

Turns ON the warning systems ON indicator