Nissan Titan A60. Manual - part 78

AV

SOUND SIGNAL CIRCUIT

AV-137

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

YES

>> Replace audio unit. Refer to 

AV-175, "Removal and Installation"

.

NO

>> Replace satellite radio tuner. Refer to 

AV-187, "Removal and Installation"

.

RIGHT CHANNEL

1.

CHECK HARNESS

1. Turn ignition switch OFF.

2. Disconnect satellite radio tuner (factory installed) connector M41

and audio unit connector M170.

3. Check continuity between satellite radio tuner (factory installed)

M41 (A) and audio unit M170 (B).

4. Check continuity between satellite radio tuner (factory installed) connector M41 (A) and ground.

Are continuity results as specified?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RIGHT CHANNEL AUDIO SIGNAL

1. Connect satellite radio tuner (factory installed) and audio unit.

2. Turn ignition switch ON.

3. Check signal between satellite radio tuner (factory installed)

connector M41 terminals 23 and 24 with CONSULT-III or oscillo-

scope.

Are voltage readings as specified?

YES

>> Replace audio unit. Refer to 

AV-175, "Removal and Installation"

.

NO

>> Replace satellite radio tuner. Refer to 

AV-187, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M41

23

M170

43

Yes

24

44

A

—

Continuity

Connector

Terminal

M41

23

Ground

No

24

ALNIA0711GB

Connector

(+)

(-)

Reference signal

Terminals

M41

24

23

ALNIA0881GB

SKIB3609E

AV-138

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM WITHOUT NAVIGATION]

MICROPHONE SIGNAL CIRCUIT

MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000006166526

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

circuits.

Diagnosis Procedure

INFOID:0000000006166527

Regarding Wiring Diagram information, refer to 

AV-151, "Wiring Diagram - Without Navigation System"

.

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-190, "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

MICROPHONE SIGNAL CIRCUIT

AV-139

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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-190, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-188, "Removal and Installation"

.

Connector

(+)

(-)

Reference signal

Terminal

Terminal

B142

7

8

While speaking into MIC

AWNIA1620ZZ

PKIB5037J

AV-140

< ECU DIAGNOSIS INFORMATION >

[PREMIUM WITHOUT NAVIGATION]

AUDIO UNIT

ECU DIAGNOSIS INFORMATION

AUDIO UNIT

Reference Value

INFOID:0000000006166528

TERMINAL LAYOUT

PHYSICAL VALUES

ALNIA0712GB

Terminal

 (Wire color)

Item

Signal 

input/

output

Condition

Reference value

(Approx.)

+

–

2 

(W)

1 

(B)

Audio sound signal 
front LH

Output

Ignition 

switch 

ON

Receive audio sig-
nal

4 

(Y)

3 

(BR)

Audio sound signal 
front RH

Output

Ignition 

switch 

ON

Receive audio sig-
nal

6 

(Y)

Ground

Battery power

Input

–

–

Battery voltage

7 

(BR)

Ground

Illumination control 
signal

Input

Ignition 

switch 

ON

Illumination control 
switch is operated 
by lighting switch in 
1st position.

Changes between 0 and 12V

8 

(R/L)

Ground

Illumination signal

Input

OFF

Lighting switch is in 
1st position.

Battery voltage

Lighting switch is 
OFF.

0V

9

–

Shield

–

–

–

0V

10 

(V)

Ground

ACC signal

Input

Ignition 

switch 

ON

–

Battery voltage

12

(G/W)

Ground

Amp ON signal

Output

Ignition 

switch 

ON

–

More than 6.5V

SKIA0177E

SKIA0177E