Infiniti EX35. Manual - part 202

 

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Infiniti EX35. Manual - part 202

 

 

AV

BUZZER CIRCUIT

AV-589

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

E

F

G

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J

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M

B

A

O

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BUZZER CIRCUIT

Description

INFOID:0000000003597481

The sonar control unit outputs the buzzer signal when the rear sonar detects the obstacle.

Component Function Check

INFOID:0000000003597482

1.

SONAR CONTROL UNIT ACTIVE TEST

Check the buzzer operation with the sonar control unit active test.

BUZZER

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003597483

1.

CHECK BUZZER POWER SUPPLY

1.

Turn ignition switch ON.

2.

Check voltage between buzzer harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK HARNESS BUZZER SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect sonar control unit connector and buzzer connector.

3.

Check continuity between sonar control unit harness connector and buzzer harness connector.

4.

Check continuity between sonar control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK SIGNAL SONAR CONTROL UNIT

1.

Connect sonar control unit connector and buzzer connector.

2.

Check signal between sonar control unit harness connector and ground.

Test item

Condition

On

: Buzzer is operation.

Off

: Buzzer is not operation.

(+)

(

)

Voltage

(Approx.)

Buzzer

Connector

Terminal

B240

1

Ground

Battery voltage

Sonar control unit

Buzzer

Continuity

Connector

Terminal

Connector

Terminal

M47

23

B240

2

Existed

Sonar control unit

Ground

Continuity

Connector

Terminal

M47

23

Not existed

AV-590

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

BUZZER CIRCUIT

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace sonar control unit.

(+)

(

)

Condition

Signal

Sonar control unit

Connector

Terminal

M47

23

Ground

When buzzer operation

NOTE:
Waveform period changes due to 
the distance to an obstacle.

SKIB8943E

AV

AV CONTROL UNIT

AV-591

< ECU DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

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A

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ECU DIAGNOSIS

AV CONTROL UNIT

Reference Value

INFOID:0000000003160740

VALUES ON THE DIAGNOSIS TOOL

CONSULT-III MONITOR ITEM

TERMINAL LAYOUT

PHYSICAL VALUES

Display Item

Display

Vehicle status

Remarks

VHCL SPD SIG

ON

Vehicle speed >0 km/h (0 MPH)

Changes in indication may be delayed. This is nor-
mal.

OFF

Vehicle speed =0 km/h (0 MPH)

PKB SIG

ON

Parking brake is applied.

Changes in indication may be delayed. This is nor-
mal.

OFF

Parking brake is released.

ILLUM SIG

ON

Light switch ON

OFF

Light switch OFF

IGN SIG

ON

Ignition switch ON

OFF

Ignition switch in ACC position

REV SIG

ON

Selector lever in R position

Changes in indication may be delayed. This is nor-
mal.

OFF

Selector lever in any position other 
than R

JPNIA0004ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

Signal name

Input/

Output

1

(V)

Ground

Amp. ON signal

Output

Ignition 

switch 

ON

12.0  V

2

(P)

3

(L)

Sound signal front LH

Output

Ignition 

switch 

ON

Audio output

SKIB3609E

AV-592

< ECU DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

AV CONTROL UNIT

4

(V)

5

(SB)

Sound signal rear LH

Output

Ignition 

switch 

ON

Audio output

6

(P)

15

(B)

Steering switch signal A

Input

Ignition 

switch 

ON

Keep pressing SOURCE 
switch.

 0 V

Keep pressing MENU UP 
switch.

1.0 V

Keep pressing MENU 
DOWN switch.

2.0 V

Keep pressing 

 switch

3.0 V

Keep pressing ENTER 
switch.

4.0 V

Except for above.

5.0 V

7

(V)

Ground

ACC power supply

Input

Ignition 

switch 

ACC

Battery voltage

9

(R)

Ground

Illumination signal

Input

OFF

Lighting switch is OFF.

0 V

Lighting switch is ON.

12.0 V

10

(B)

Shield

11

(R)

12

(G)

Sound signal front RH

Output

Ignition 

switch 

ON

Audio output

13

(BR)

14

(Y)

Sound signal rear RH

Output

Ignition 

switch 

ON

Audio output

15

(B)

Ground

Steering switch signal 
ground

Ignition 

switch 

ON

0  V

16

(L)

15

(B)

Steering switch signal B

Input

Ignition 

switch 

ON

Keep pressing VOL DOWN 
switch.

0 V

Keep pressing VOL UP 
switch.

1.0 V

Keep pressing 

 switch.

2.0 V

Keep pressing 

 switch.

3.0 V

Except for above.

5.0 V

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

Signal name

Input/

Output

SKIB3609E

SKIB3609E

SKIB3609E

 

 

 

 

 

 

 

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