Nissan Maxima. Manual - part 137

AV-368

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

U1219 AV CONTROL UNIT

U1219 AV CONTROL UNIT

DTC Logic

INFOID:0000000009471313

DTC

Display contents of 

CONSULT

DTC detection condition

Possible malfunction factor

U1219

HDD READ
[U1219]

AV control unit malfunction is detected.

• If the hard disk drive (HDD) is func-

tioning normally, there is a possibil-
ity of a temporary malfunction.

• Replace the AV control unit if the 

malfunction occurs constantly. Re-
fer to 

AV-481, "Removal and Instal-

lation"

.

AV

U121A AV CONTROL UNIT

AV-369

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U121A AV CONTROL UNIT

DTC Logic

INFOID:0000000009471314

DTC

Display contents of 

CONSULT

DTC detection condition

Possible malfunction factor

U121A

HDD WRITE
[U121A]

AV control unit malfunction is detected.

• If the hard disk drive (HDD) is func-

tioning normally, there is a possibil-
ity of a temporary malfunction.

• Replace the AV control unit if the 

malfunction occurs constantly. Re-
fer to 

AV-481, "Removal and Instal-

lation"

.

AV-370

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

U121B AV CONTROL UNIT

U121B AV CONTROL UNIT

DTC Logic

INFOID:0000000009471315

DTC

Display contents of 

CONSULT

DTC detection condition

Possible malfunction factor

U121B

HDD COMM
[U121B]

AV control unit malfunction is detected.

• If the hard disk drive (HDD) is func-

tioning normally, there is a possibil-
ity of a temporary malfunction.

• Replace the AV control unit if the 

malfunction occurs constantly. Re-
fer to 

AV-481, "Removal and Instal-

lation"

.

AV

U121C AV CONTROL UNIT

AV-371

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U121C AV CONTROL UNIT

DTC Logic

INFOID:0000000009471316

DTC

Display contents of 

CONSULT

DTC detection condition

Possible malfunction factor

U121C

HDD ACCESS
[U121C]

AV control unit malfunction is detected.

• If the hard disk drive (HDD) is func-

tioning normally, there is a possibil-
ity of a temporary malfunction.

• Replace the AV control unit if the 

malfunction occurs constantly. Re-
fer to 

AV-481, "Removal and Instal-

lation"

.