Nissan Sentra. Manual — part 39

AV-148

< SYSTEM DESCRIPTION >

[DISPLAY AUDIO WITH BOSE]

DIAGNOSIS SYSTEM (BLUETOOTH® CONTROL UNIT)

DIAGNOSIS SYSTEM (BLUETOOTH® CONTROL UNIT)

Diagnosis Description

INFOID:0000000009758889

The Bluetooth

®

control unit has two diagnostic checks. The first diagnostic check is performed automatically

every ignition cycle during control unit initialization. The second diagnostic check is performed by the techni-

cian using the steering wheel audio control switches prior to trouble diagnosis.

Bluetooth

®

CONTROL UNIT INITIALIZATION CHECKS

• Internal control unit failure
• Bluetooth

®

antenna connection open or shorted

• Steering wheel audio control switches [

(PHONE/SEND), (PHONE/END)] stuck closed

• Vehicle speed pulse count

• Microphone connection test (with playback to operator)
• Bluetooth

®

inquiry check

OPERATION PROCEDURE

1. Turn ignition switch to ACC or ON.
2. Wait for the Bluetooth

®

system to complete initialization. This may take up to 20 seconds.

3. Press and hold the steering wheel audio control switch

(PHONE/SEND) button for at least 5 seconds. The Bluetooth

®

system will begin to play a verbal prompt.

4. While the prompt is playing, press and hold the steering wheel

audio control switch

(PHONE/END) button until you hear the

“Diagnostics mode” prompt. The Bluetooth

®

system will sound a

5-second beep.

5. While the beep is sounding, press and hold the steering wheel

audio control switch

(PHONE/END) button again until you

hear prompts.

6. The Bluetooth

®

system has now entered into the diagnostic

mode. Results of the diagnostic checks will be verbalized to the

technician. Refer to

AV-148, "Work Flow"

.

7. After the failure records are reported, an interactive microphone

test will be performed. Follow the voice prompt. If the micro-

phone test fails, refer to

AV-148, "Work Flow"

.

Work Flow

INFOID:0000000009758890

AWNIA2834ZZ

AWNIA2835ZZ

Failure Message

Action

“Internal failure”

Replace Bluetooth

®

control unit. Refer to

AV-217, "Removal and Installation"

.

“Bluetooth

®

antenna open”

1.

Inspect harness connection.

2.

Replace Bluetooth

®

antenna. Refer to

AV-217, "Removal and Installation"

.

“Bluetooth

®

antenna shorted”

“Phone/Send for Hands Free System is stuck”

Check steering wheel audio control switches. Refer to

AV-194, "Diagnosis Proce-

dure"

.

“Phone/End for the Hands Free System is stuck”

“Microphone test” (failed interactive test)

1.

Inspect harness between Bluetooth

®

control unit and microphone.

2.

Replace microphone. Refer to

AV-218, "Removal and Installation"

.

AV

AUDIO UNIT

AV-149

< ECU DIAGNOSIS INFORMATION >

[DISPLAY AUDIO WITH BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

ECU DIAGNOSIS INFORMATION

AUDIO UNIT

Reference Value

INFOID:0000000009758891

TERMINAL LAYOUT

PHYSICAL VALUES

AWNIA2820ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

Ignition

switch

Operation

1

(GR)

Ground BOSE amp. ON signal

Output

ACC

—

Battery voltage

2

(L)

3

(P)

Sound signal front speaker
LH

Output

ON

Sound output

4

(LG)

5

(V)

Sound signal rear speaker
LH

Output

ON

Sound output

6

(G)

15

(P)

Steering switch signal A

Input

Ignition

switch

ON

Press SOURCE switch

0V

Press

switch

1.0V

Press

switch

2.0V

Press

switch

3.0V

Except above

5.0V

7

(P)

Ground ACC power supply

Input

ACC

—

Battery voltage

9

(R)

8

(GR)

Illumination control signal

Input

ON

Headlamps ON

Battery voltage

SKIB3609E

SKIB3609E

AV-150

< ECU DIAGNOSIS INFORMATION >

[DISPLAY AUDIO WITH BOSE]

AUDIO UNIT

11

(G)

12

(R)

Sound signal front speaker
RH

Output

ON

Sound output

13

(BR)

14

(Y)

Sound signal rear speaker
RH

Output

ON

Sound output

16

(LG)

15

(P)

Steering switch signal B

Input

Ignition

switch

ON

Press

switch

0V

Press

switch

1.0V

Press

switch

2.0V

Except above

5.0V

18

(Y)

Ground Vehicle speed signal

Input

ON

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

19

(Y)

Ground Battery power supply

Input

OFF

—

Battery voltage

20

(B)

Ground Ground

—

ON

—

0 V

25

(BR)

24

(GR)

TEL voice signal

Input

Ignition

switch

ON

During voice guide output
with

switch

pressed.

26

—

Shield

—

—

—

—

28

(B)

—

M CAN2-H

Input/

Output

—

—

—

29

(R)

—

M CAN2-L

Input/

Output

—

—

—

31

(SB)

—

M CAN1-H

Input/

Output

—

—

—

32

(LG)

—

M CAN1-L

Input/

Output

—

—

—

46

(B)

Ground EQ02 Ground

—

ON

—

0 V

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

Ignition

switch

Operation

SKIB3609E

SKIB3609E

JSNIA0012GB

SKIB3609E

AV

AUDIO UNIT

AV-151

< ECU DIAGNOSIS INFORMATION >

[DISPLAY AUDIO WITH BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

47

(B)

Ground EQ03 Ground

—

ON

—

0 V

53

(W)

—

V BUS signal

—

—

—

—

54

(G)

—

USB ground

—

—

—

—

55

(L)

—

USB D+ signal

—

—

—

—

56

(R)

—

USB D

− signal

—

—

—

—

57

—

Shield

—

—

—

—

58

(B)

Ground Antenna amp. ON signal

Input

ON

—

5.0 V

59

(B)

Ground AM/FM antenna signal

Input

ON

—

5.0 V

61

(B)

Ground Satellite antenna signal

Input

ON

—

5.0 V

62

—

Shield

—

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

Ignition

switch

Operation