Nissan Titan A60. Manual - part 59

AV

STEERING SWITCH

AV-61

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

NO

>> Repair harness.

3.

SPIRAL CABLE CHECK

1. Disconnect spiral cable connector M102.

2. Check continuity between spiral cable harness connector M169

(A) and M102 (B).

Does the spiral cable check OK?

YES

>> Inspection End.

NO

>> Replace spiral cable. Refer to 

SR-6, "Removal and Installation"

.

Diagnosis Procedure (With Bluetooth)

INFOID:0000000006706806

Regarding Wiring Diagram information, refer to 

AV-70, "Wiring Diagram"

.

1.

CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE

1. Turn ignition switch OFF.

2. Disconnect steering wheel audio control switch connector M102.

3. Check resistance between steering switch connector terminals.

Do the steering wheel audio control switches check OK?

YES

>> GO TO 2.

NO

>> Replace steering wheel audio control switch. Refer to 

AV-90, "Removal and Installation"

.

2.

CHECK HARNESS

1. Disconnect Bluetooth control unit connector B142 and spiral

cable connector M30.

2. Check continuity between Bluetooth control unit harness con-

nector B142 (A) and spiral cable harness connector M30 (B).

A

B

Continuity

Connector

Terminal

Connector

Terminal

M169

24

M102

20

Yes

31

17

32

16

AWLIA1602ZZ

Terminal

Signal name

Condition

Resistance 

(

Ω)

(Approx.)

16

17

Seek (down)

Depress  

switch.

165

Volume (down)

Depress VOL down switch.

652

Phone/End

Depress  

switch.

0

20

17

Seek (up)

Depress  

switch.

165

Volume (up)

Depress VOL up switch.

652

Phone/Send

Depress  

switch.

0

WKIA4457E

ALNIA0735GB

AV-62

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

STEERING SWITCH

3. Check continuity between Bluetooth control unit connector B142 (A) and ground.

Are the continuity results as specified?

YES

>> GO TO 3.

NO

>> Repair harness.

3.

SPIRAL CABLE CHECK

Check continuity between spiral cable harness connector M30 (A)

and M102 (B).

Does the spiral cable check OK?

YES

>> Inspection End.

NO

>> Replace spiral cable. Refer to 

SR-6, "Removal and Installation"

.

A

B 

Continuity

Connector

Terminal

Connector

Terminal

B142

12

M30

24

Yes

13

32

14

31

A

—

Continuity

Connector

Terminal

B142

12

Ground

No

13

14

A

B

Continuity

Connector

Terminal

Connector

Terminal

M30

24

M102

20

Yes

31

17

32

16

AWLIA1602ZZ

AV

MICROPHONE SIGNAL CIRCUIT

AV-63

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

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MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000006706836

Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal

circuits.

Diagnosis Procedure

INFOID:0000000006706837

Regarding Wiring Diagram information, refer to 

AV-70, "Wiring Diagram"

.

1.

CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE

1. Turn ignition switch OFF.

2. Disconnect Bluetooth control unit connector and microphone

connector.

3. Check continuity between Bluetooth control unit harness con-

nector B142 (A) and microphone harness connector R109 (B).

4. Check continuity between Bluetooth control unit harness connector B142 (A) and ground.

Are the continuity test results as specified?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK MICROPHONE POWER SUPPLY

1. Connect Bluetooth control unit connector and microphone con-

nector.

2. Turn ignition switch ON.

3. Check voltage between microphone harness connector R109

terminal 4 and ground.

Is voltage reading approx. 5 volts?

YES

>> GO TO 3.

NO

>> Replace Bluetooth control unit. Refer to 

AV-95, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL

A

B

Continuity

Connector

Terminal

Connector

Terminal

B142

7

R109

1

Yes

8

2

29

4

A

—

Continuity

Connector

Terminal

B142

7

Ground

No

8

29

WKIA5795E

(+)

(-)

Value (Approx.)

Connector

Terminal

R109

4

Ground

5V

WKIA5796E

AV-64

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

MICROPHONE SIGNAL CIRCUIT

Check signal between Bluetooth control unit harness connector

B142 terminals 7 and 8 with CONSULT-III or and oscilloscope.

Are voltage readings as specified?

YES

>> Replace Bluetooth control unit. Refer to 

AV-95, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-93, "Removal and Installation"

.

Connector

(+)

(-)

Reference signal

Terminal

Terminal

B142

7

8

While speaking into MIC

AWNIA1620ZZ

PKIB5037J