Nissan Frontier. Manual - part 8

AV-24

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO (EXCEPT MEXICO)]

MICROPHONE SIGNAL CIRCUIT

Is the inspection result normal?

YES

>> Replace Bluetooth

®

 control unit. Refer to 

AV-54, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-56, "Removal and Installation"

.

Bluetooth

®

 control unit connector B141

Condition

Reference signal

(+)

(-)

Terminal

Terminal

7

8

Speak into microphone.

PKIB5037J

AV

AUDIO UNIT

AV-25

< ECU DIAGNOSIS INFORMATION >

[BASE AUDIO (EXCEPT MEXICO)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

ECU DIAGNOSIS INFORMATION

AUDIO UNIT

Reference Value

INFOID:0000000009482083

TERMINAL LAYOUT

PHYSICAL VALUES

AWNIA3319ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

2

(BR)

3

(L)

Sound signal front door 
speaker and  front tweeter 
LH

Output

Ignition 

switch 

ON

Audio output

4

(G)

5

(B)

Sound signal rear door 
speaker LH

Output

Ignition 

switch 

ON

Audio output

6 

(V)

Ground STRG SW A

Input

ON

Press and hold MODE 
switch.

0 V

Press and hold   switch.

1.34 V

Press and hold   switch.

2.45 V

Press and hold 

 

switch.

3.43 V

Except for above.

5.0 V

7

(G/B)

Ground ACC power supply

Input

Ignition 

switch 

ACC or 

ON

—

Battery voltage

8

(GR)

Ground ILL control

Input

Ignition 

switch 

ACC or 

ON

—

0V

SKIB3609E

SKIB3609E

AV-26

< ECU DIAGNOSIS INFORMATION >

[BASE AUDIO (EXCEPT MEXICO)]

AUDIO UNIT

9

(R)

Ground Light switch

Input

Ignition 

switch 

ACC or 

ON

—

Battery voltage

11

(LG)

12

(R)

Sound signal front door 
speaker and front tweeter 
RH

Output

Ignition 

switch 

ON

Voice output

13

(GR)

14

(BG)

Sound signal rear door 
speaker RH

Output

Ignition 

switch 

ON

Voice output

15

(BG)

–

STRG SW ground

Output

–

–

–

16 

(LG)

Ground  STRG SW B

Input

ON

Press VOL DOWN switch

 0 V

Press VOL UP switch.

1.34 V

Press  

switch.

2.45 V

Except for above.

5.0 V

18

(SB)

Ground Vehicle speed signal

Input

ON

When vehicle speed is ap-
prox. 40 km/h (25 MPH)

19

(Y)

Ground Battery power supply

Input

Ignition 

switch 

OFF

—

Battery voltage

20

(B)

—

GND

—

—

—

—

21

(G)

—

MCAN1 L

—

—

—

—

22

(R)

—

MCAN1 H

—

—

—

—

23

—

MCAN shield

—

—

—

—

25

(BR)

—

EQ4 Ground

—

—

—

—

26

(L)

—

EQ3 Ground

—

—

—

—

27

(G)

—

EQ2 Ground

—

—

—

—

29

(W)

—

MCAN2 L

—

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIB3609E

JSNIA0012GB

AV

AUDIO UNIT

AV-27

< ECU DIAGNOSIS INFORMATION >

[BASE AUDIO (EXCEPT MEXICO)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

30

(L)

—

MCAN2 H

—

—

—

—

33

(W)

34

(GR)

Telephone audio in

—

—

—

—

36

(R)

Ground Telephone ON

Output

ON

—

—

38

(B)

Ground AM-FM main antenna

Input

ON

—

5.0 V

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output