Nissan Xterra. Manual — part 4

AV-8

< SYSTEM DESCRIPTION >

[BASE AUDIO]

SYSTEM

When buttons on the steering wheel audio control switch are pushed, the resistance in steering wheel audio
control switch circuit changes, depending on which button is pushed. The Bluetooth

®

control unit uses this sig-

nal to perform various functions while navigating through the voice recognition system.

The following functions can be performed using the steering wheel audio control switch:
• Initiate self-diagnosis of the Bluetooth

®

telephone system

• Start a voice recognition session

• Answer and end telephone calls

• Adjust the volume of calls

Microphone

The microphone is located in the roof console assembly. The microphone sends a signal to the Bluetooth

®

control unit. The microphone can be actively tested during self-diagnosis.

Audio Unit

The audio unit receives signals from the Bluetooth

®

control unit and sends audio signals to the speakers.

AV

AUDIO UNIT

AV-9

< ECU DIAGNOSIS INFORMATION >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

ECU DIAGNOSIS INFORMATION

AUDIO UNIT

Reference Value

INFOID:0000000010247122

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

9

(R)

8

(GR)

Illumination control signal

Input

ON

Headlamps ON

Battery voltage

SKIB3609E

SKIB3609E

AV-10

< ECU DIAGNOSIS INFORMATION >

[BASE AUDIO]

AUDIO UNIT

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

(B)

—

EQ4 Ground

—

—

—

—

28

(B)

—

EQ1 Ground

—

—

—

—

29

(W)

—

MCAN2 L

—

—

—

—

30

(L)

—

MCAN2 H

—

—

—

—

33

(W)

34

(GR)

Telephone audio in

—

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIB3609E

JSNIA0012GB

AV

AUDIO UNIT

AV-11

< ECU DIAGNOSIS INFORMATION >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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