Nissan Frontier D40. Manual - part 35

AV-132

< COMPONENT DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

COMMUNICATION SIGNAL CIRCUIT

3.

CHECK HARNESS - RXD

1.

Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 30 and audio unit harness
connector M48 (B) terminal 50.

2.

Check continuity between satellite radio tuner (factory installed)
harness connector M41 (A) terminal 30 and ground.

Are continuity results as specified?

YES

>> GO TO 4

NO

>> Repair harness or connector.

4.

CHECK REQ1 SIGNAL

1.

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

2.

Turn ignition switch to ACC

3.

Check signal between satellite radio tuner (factory installed) har-
ness connector M41 terminal 28 and ground with CONSULT-III
or oscilloscope.

Are voltage readings as specified?

YES

>> GO TO 5

NO

>> Replace audio unit. Refer to 

AV-84, "Removal and Installation"

.

5.

CHECK TXD SIGNAL

Check signal between satellite radio tuner (factory installed) harness
connector M41 terminal 29 and ground with CONSULT-III or oscillo-
scope.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M41

30

M48

50

Yes

A

—

Continuity

Connector

Terminal

M41

30

Ground

No

ALNIA0708GB

(+)

(-)

Reference signal

Connector

Terminal

M41

28

Ground

WKIA4544E

SKIB3825E

(+)

(-)

Reference signal

Connector

Terminal

M41

29

Ground

WKIA4545E

SKIB3824E

AV

COMMUNICATION SIGNAL CIRCUIT

AV-133

< COMPONENT DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Are the voltage readings as specified?

YES

>> GO TO 6

NO

>> Replace satellite radio tuner.

6.

CHECK RXD SIGNAL

Check signal between satellite radio tuner (factory installed) harness
connector M41 terminal 30 and ground with CONSULT-III or oscillo-
scope.

Are the voltage readings as specified?

YES

>> Replace satellite radio tuner. Refer to 

AV-97, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-84, "Removal and Installation"

.

(+)

(-)

Reference signal

Connector

Terminal

M41

30

Ground

WKIA4546E

SKIB3826E

AV-134

< COMPONENT DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

SOUND SIGNAL CIRCUIT

SOUND SIGNAL CIRCUIT

SATELLITE RADIO TUNER

SATELLITE RADIO TUNER : Description

INFOID:0000000005274963

Left and right channel audio signals are supplied from the satellite radio tuner to the audio unit through the
sound signal circuits.

SATELLITE RADIO TUNER : Diagnosis Procedure

INFOID:0000000005274964

Regarding Wiring Diagram information, refer to 

AV-141, "Wiring Diagram"

.

LEFT CHANNEL

1.

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect satellite radio tuner (factory installed) connector M41
and audio unit connector M48.

3.

Check continuity between satellite radio tuner (factory installed)
connector M41 (A)  and audio unit connector M48 (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 LEFT 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 21 and 22 with CONSULT-III or oscillo-
scope.

Are voltage readings as specified?

A

B

Continuity

Connector

Terminal

Connector

Terminal

M41

21

M48

41

Yes

22

42

A

—

Continuity

Connector

Terminal

M41

21

Ground

No

22

ALNIA0710GB

(+)

(-)

Reference signal

Connector

Terminal

Terminal

M41

22

21

ALNIA0880GB

SKIB3609E

AV

SOUND SIGNAL CIRCUIT

AV-135

< COMPONENT DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

YES

>> Replace audio unit. Refer to 

AV-84, "Removal and Installation"

.

NO

>> Replace satellite radio tuner. Refer to 

AV-97, "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 M48.

3.

Check continuity between satellite radio tuner (factory installed)
M41 (A) and audio unit M48 (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-84, "Removal and Installation"

.

NO

>> Replace satellite radio tuner. Refer to 

AV-97, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M41

23

M48

43

Yes

24

44

A

—

Continuity

Connector

Terminal

M41

23

Ground

No

24

ALNIA0711GB

(+)

(-)

Reference signal

Connector

Terminal

Terminal

M41

24

23

ALNIA0881GB

SKIB3609E