Nissan Maxima. Manual - part 139

AV-376

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

U1228 AV CONTROL UNIT

U1228 AV CONTROL UNIT

DTC Logic

INFOID:0000000009471324

DTC DETECTION LOGIC

DTC

Display contents of CON-

SULT

DTC detection condition

Possible malfunction factor

U1228

SUB CPU CONN [U1228]

AV control unit malfunction is detected.

Replace the AV control unit if the malfunction 
occurs constantly. Refer to 

AV-481, "Removal 

and Installation"

.

AV

U1229 AV CONTROL UNIT

AV-377

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1229 AV CONTROL UNIT

DTC Logic

INFOID:0000000009471325

DTC DETECTION LOGIC

DTC

Display contents of CON-

SULT

DTC detection condition

Possible malfunction factor

U1229

iPod CERTIFICATION 
[U1229]

AV control unit malfunction is detected.

Replace the AV control unit if the malfunction 
occurs constantly. Refer to 

AV-481, "Removal 

and Installation"

.

AV-378

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

U122A AV CONTROL UNIT

U122A AV CONTROL UNIT

DTC Logic

INFOID:0000000009471326

Diagnosis Procedure

INFOID:0000000009471327

1.

PERFORM THE SELF-DIAGNOSIS

When U122A is detected, write configuration data with “MULTI AV” of CONSULT.

>> Write configuration data with “MULTI AV” of CONSULT. Refer to 

AV-338, "CONFIGURATION (AV

CONTROL UNIT) : Special Repair Requirement"

.

DTC

Display contents of 

CONSULT

DTC detection condition

Action to take

U122A

CONFIG UNFINISH 
[U122A]

The writing of configuration data is incomplete.

Write configuration data with “MULTI 
AV” of CONSULT.

AV

U122E AV CONTROL UNIT

AV-379

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U122E AV CONTROL UNIT

DTC Logic

INFOID:0000000009471328

DTC DETECTION LOGIC

DTC

Display contents of CON-

SULT

DTC detection condition

Possible malfunction factor

U122E

Built-in AUDIO CONN 
[U122E]

AV control unit malfunction is detected.

Replace the AV control unit if the malfunction 
occurs constantly. Refer to 

AV-481, "Removal 

and Installation"

.