Infiniti EX35. Manual - part 174

AV

CAMERA ASSISTANCE SONAR SYSTEM

AV-477

< FUNCTION DIAGNOSIS >

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CAMERA ASSISTANCE SONAR SYSTEM

System Diagram

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System Description

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Description

• Install the corner sensor on the front bumper and rear bumper. It detects the obstacles around the vehicle

when the around view monitor is displayed. It warns of the approach to the obstacles with the buzzer and
indicator in the display linked with the around view monitor system. 

• It displays the distance between the bumper and obstacle with the color of sonar indicator in the display and

the blinking cycle of indicator in 3 stages. 

• The buzzer warns of the distance to the obstacles with the cycle in 3 stages. 

System operation description

• Around view monitor control unit transmits the sonar operation signal via AV communication to sonar control

unit to control the operation of sonar indicator and sonar buzzer. 

• Sonar control unit that receives the sonar operation signal from around view monitor control unit transmits

the detection signal and detection distance signal according to the signal from corner sensor via AV commu-
nication to around view monitor control unit. around view monitor control unit operates the applicable sonar
indicator. 

• Sonar control unit that receives the sonar operation signal from around view monitor control unit outputs the

buzzer signal to other buzzers based on the detection distance signal from corner sensor to operate the
buzzer. 

• Sonar control unit has the diagnosis function. It can detect the corner sensor malfunction or sensor harness

open circuit. It transmits the diagnosis results to around view monitor control unit and always displays the
sonar indicator in red to inform the user. 

Obstacle detection distance

• Sonar control unit changes the outputs of the sonar indicator and warning buzzer in 3 stages according to

the obstacle detection distance from the corner sensor. 

• The sonar control unit can change the setting of obstacle detection distance in 4 stages. 

JSNIA0705GB

AV-478

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CAMERA ASSISTANCE SONAR SYSTEM

Obstacle detection image

Detection distance

SONAR INDICATOR DISPLAY

• Around view monitor control unit that receives the detection signal and detection distance signal from sonar

control unit displays the sonar indicator on display. 

• Around view monitor control unit changes the color or blinking cycle of the indicator according to the detec-

tion distance. 

JSNIA1099ZZ

A.

Approx. 50 cm (19.6 in)

B.

Approx. 15 cm (5.9 in)

Warning item

Sensitivity level 1

(Faster warning)

Sensitivity level 2

(Default value)

Sensitivity level 3

(Slower warning)

Sensitivity level 4

(Slowest warning)

First stage 
warning

70 – 80 cm (27.5 – 31.4 in)

60 – 70 cm (23.6 – 27.5 in)

50 – 60 cm (29.6 – 23.6 in)

40 – 50 cm (15.7 – 19.6 in)

Second stage 
warning

50 – 70 cm (19.6 – 27.5 in)

40 – 60 cm (15.7 – 23.6 in)

30 – 50 cm (11.8 – 19.6 in)

30 – 40 cm (11.8 – 15.7 in)

Third stage 
warning

Less than 50 cm (19.6 in)

Less than 40 cm (15.7 in)

Less than 30 cm (11.8 in)

Less than 30 cm (11.8 in)

AV

CAMERA ASSISTANCE SONAR SYSTEM

AV-479

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Color and blinking cycle of sonar indicator

SONAR BUZZER OPERATION

• Sonar control unit outputs the buzzer signal to other buzzers and operates the buzzer when the detection

signal is input from the corner sensor. 

• It changes the buzzer cycle in 3 stages according to the detection distance. 

Sonar buzzer cycle

JSNIA1100GB

JSNIA1101GB

AV-480

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CAMERA ASSISTANCE SONAR SYSTEM

Component Parts Location

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1.

Center speaker

2.

Corner sensor front RH

3.

Front squawker LH

4.

Front camera

5.

Corner sensor front LH

6.

Side camera LH

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