Nissan Titan A60. Manual - part 108

AV

AMP ON SIGNAL CIRCUIT

AV-257

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AMP ON SIGNAL CIRCUIT

Description

INFOID:0000000006166612

When the audio system is turned on, a voltage signal is supplied from the audio unit to the audio amp. When

this signal is received, the audio amp. will turn on.

Diagnosis Procedure

INFOID:0000000006166613

Regarding Wiring Diagram information, refer to 

AV-285, "Wiring Diagram - With Navigation System"

.

1.

CHECK AMP ON SIGNAL

1. Turn audio system ON.

2. Check voltage between audio amp. harness connector M113

terminal 9 and ground.

Is inspection result normal?

YES

>> Inspection End.

NO

>> GO TO 2.

2.

CHECK AMP ON SIGNAL (AUDIO UNIT)

Check voltage between audio unit harness connector M44 terminal

12 and ground.

Is inspection result normal?

YES

>> Repair harness or connector.

NO

>> Replace audio unit. Refer to 

AV-326, "Removal and

Installation"

.

(+)

(-)

Voltage (approx.)

Connector

Terminal

M113

9

Ground

More than 6.5V

ALNIA0733GB

(+)

(-)

Voltage (approx.)

Connector

Terminal

M44

12

Ground

More than 6.5V

ALNIA0734GB

AV-258

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STEERING SWITCH

STEERING SWITCH

Description

INFOID:0000000006166614

When one of the steering wheel audio control switches is pushed, the resistance in the steering wheel audio

control switch circuit changes depending on which button is pushed.

Diagnosis Procedure

INFOID:0000000006166615

Regarding Wiring Diagram information, refer to 

AV-285, "Wiring Diagram - With Navigation System"

.

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-333, "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).

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

Are the continuity results as specified?

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

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

ALNIA0735GB

AV

STEERING SWITCH

AV-259

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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

M30

24

M102

20

Yes

31

17

32

16

AWLIA1602ZZ

AV-260

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COMMUNICATION SIGNAL CIRCUIT

COMMUNICATION SIGNAL CIRCUIT

SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description

INFOID:0000000006166616

Communication signals are exchanged between the audio unit and satellite radio tuner using the communica-

tion circuits.

SATELLITE RADIO TUNER : Diagnosis Procedure

INFOID:0000000006166617

Regarding Wiring Diagram information, refer to 

AV-285, "Wiring Diagram - With Navigation System"

.

1.

CHECK HARNESS - REQ1

1. Turn ignition switch OFF.

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

and audio unit connector M42.

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

harness connector M41 (A) terminal 28 and audio unit harness

connector M42 (B) terminal 48.

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

harness connector M41 (A) terminal 28 and ground.

Are continuity results as specified?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK HARNESS - TXD

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

harness connector M41 (A) terminal 29 and audio unit harness

connector M42 (B) terminal 49.

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

harness connector M41 (A) terminal 29 and ground.

Are continuity results as specified?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M41

28

M42

48

Yes

A

—

Continuity

Connector

Terminal

M41

28

Ground

No

ALNIA0709GB

A

B

Continuity

Connector

Terminal

Connector

Terminal

M41

29

M42

49

Yes

A

—

Continuity

Connector

Terminal

M41

29

Ground

No

ALNIA0707GB