Nissan Pathfinder. Manual - part 171

AV

U1219 AV CONTROL UNIT

AV-511

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1219 AV CONTROL UNIT

DTC Logic

INFOID:0000000009174709

CONSULT Display

DTC Detection Condition

Possible Cause

HDD READ
[U1219]

AV control unit malfunction is detected.

If the hard disk drive (HDD) is functioning normal-
ly, there is a possibility of an intermittent malfunc-
tion.
Replace AV control unit if malfunction occurs con-
stantly.
Refer to 

AV-611, "Removal and Installation"

.

AV-512

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM AUDIO WITH NAVIGATION]

U121A AV CONTROL UNIT

U121A AV CONTROL UNIT

DTC Logic

INFOID:0000000009174710

CONSULT Display

DTC Detection Condition

Possible Cause

HDD WRITE
[U121A]

AV control unit malfunction is detected.

If the hard disk drive (HDD) is functioning normal-
ly, there is a possibility of an intermittent malfunc-
tion.
Replace AV control unit if malfunction occurs con-
stantly.
Refer to 

AV-611, "Removal and Installation"

.

AV

U121B AV CONTROL UNIT

AV-513

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U121B AV CONTROL UNIT

DTC Logic

INFOID:0000000009174711

CONSULT Display

DTC Detection Condition

Possible Cause

HDD COMM
[U121B]

AV control unit malfunction is detected.

If the hard disk drive (HDD) is functioning normal-
ly, there is a possibility of an intermittent malfunc-
tion.
Replace AV control unit if malfunction occurs con-
stantly.
Refer to 

AV-611, "Removal and Installation"

.

AV-514

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM AUDIO WITH NAVIGATION]

U121C AV CONTROL UNIT

U121C AV CONTROL UNIT

DTC Logic

INFOID:0000000009174712

CONSULT Display

DTC Detection Condition

Possible Cause

HDD ACCESS
[U121C]

AV control unit malfunction is detected.

If the hard disk drive (HDD) is functioning normal-
ly, there is a possibility of an intermittent malfunc-
tion.
Replace AV control unit if malfunction occurs con-
stantly.
Refer to 

AV-611, "Removal and Installation"

.