Nissan Titan A60. Manual - part 58

AV

REAR DOOR SPEAKER

AV-57

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1. Connect audio unit connectors and suspect speaker connector.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between audio unit harness connectors M166

terminals with CONSULT-III or oscilloscope.

Are audio signal voltage readings as specified?

YES

>> Replace suspect speaker. Refer to 

AV-89, "Removal

and Installation"

.

NO

>> Replace audio unit.  Refer to 

AV-86, "Removal and

Installation"

.

Connector

Terminals

Condition

Reference

signal

(+)

(-)

M166

14

13

Receive 
audio sig-
nal

16

15

AWNIA1616ZZ

SKIA0177E

AV-58

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

REAR DOOR TWEETER

REAR DOOR TWEETER

Description

INFOID:0000000006166472

The audio unit sends audio signals to the rear door tweeters using the audio signal circuits.

Diagnosis Procedure

INFOID:0000000006166473

Regarding Wiring Diagram information, refer to 

AV-70, "Wiring Diagram"

.

1.

HARNESS CHECK

1. Disconnect audio unit connector M166 and suspect tweeter con-

nector.

2. Check continuity between audio unit harness connectors M166

(A) and  suspect tweeter harness connector (B).

3. Check continuity between audio unit harness connectors M166

(A) and ground.

Are the continuity test results as specified?

YES

>> GO TO 2.

NO

>> • Check connector housings for disconnected or loose terminals.

• Repair harness or connector.

2.

REAR DOOR TWEETER SIGNAL CHECK

A

B

Continuity

Connector

Terminal

Connector

Terminal

M166

13

D208

2

Yes

14

1

15

D308

2

16

1

Connector

Terminal

-

Continuity

M166

13

Ground

No

14

15

16

ALNIA0704GB

AV

REAR DOOR TWEETER

AV-59

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1. Connect audio unit connectors and suspect tweeter connector.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between audio unit harness connectors M166

terminals with CONSULT-III or oscilloscope.

Are audio signal voltage readings as specified?

YES

>> Replace suspect tweeter. Refer to 

AV-89, "Removal and

Installation"

.

NO

>> Replace audio unit.  Refer to 

AV-86, "Removal and

Installation"

.

Connector

Terminals

Condition

Reference

signal

(+)

(-)

M166

14

13

Receive 
audio sig-
nal

16

15

AWNIA1616ZZ

SKIA0177E

AV-60

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

STEERING SWITCH

STEERING SWITCH

Description

INFOID:0000000006166474

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 (Without Bluetooth)

INFOID:0000000006166475

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 audio unit connector M167 and spiral cable connec-

tor M169.

2. Check continuity between audio unit harness connector M167

(A) and spiral cable harness connector M169 (B).

3. Check continuity between audio unit connector M167 (A) and ground.

Are the continuity results as specified?

YES

>> GO TO 3.

Terminal

Signal name

Condition

Resistance 

(

Ω)

(Approx.)

16

17

Seek (down)

Depress  

switch.

165

Volume (down)

Depress VOL down switch.

652

Power

Depress PWR switch.

0

20

17

Seek (up)

Depress  

switch.

165

Volume (up)

Depress VOL up switch.

652

Mode

Depress MODE switch. 

0

WKIA4457E

A

B 

Continuity

Connector

Terminal

Connector

Terminal

M167

69

M169

24

Yes

70

32

71

31

A

—

Continuity

Connector

Terminal

M167

69

Ground

No

70

71

AWNIA1617ZZ