Nissan Pathfinder. Manual - part 76

AV

U1227 AV CONTROL UNIT

AV-131

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1227 AV CONTROL UNIT

DTC Logic

INFOID:0000000009174452

Diagnosis Procedure

INFOID:0000000009174453

1.

CHECK DVD PLAYBACK

Check the DVD playback operation of the AV control unit. Refer to Owner’s Manual for audio system operating

instructions.
Is the DVD playback function of the AV control unit operating normally?

YES

>> Refer to 

GI-49, "Intermittent Incident"

.

NO

>> Replace AV control unit. Refer to 

AV-187, "Removal and Installation"

.

CONSULT Display

DTC Detection Condition

Possible Cause

DVD COMM
[U1227]

AV control unit malfunction is detected.

An intermittent error causing disc player malfunc-
tion may be detected. 
Replace AV control unit if malfunction occurs con-
stantly.
Refer to 

AV-187, "Removal and Installation"

.

AV-132

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

U1228 AV CONTROL UNIT

U1228 AV CONTROL UNIT

DTC Logic

INFOID:0000000009174454

CONSULT Display

DTC Detection Condition

Possible Cause

SUB CPU CONN
[U1228]

AV control unit malfunction is detected.

Replace AV control unit if malfunction occurs con-
stantly.
Refer to 

AV-187, "Removal and Installation"

.

AV

U1229 AV CONTROL UNIT

AV-133

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1229 AV CONTROL UNIT

DTC Logic

INFOID:0000000009174455

CONSULT Display

DTC Detection Condition

Possible Cause

iPod CERTIFICATION
[U1229]

AV control unit malfunction is detected.

Replace AV control unit if malfunction occurs con-
stantly.
Refer to 

AV-187, "Removal and Installation"

.

AV-134

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

U122A AV CONTROL UNIT

U122A AV CONTROL UNIT

DTC Logic

INFOID:0000000009174456

Diagnosis Procedure

INFOID:0000000009174457

1.

PERFORM CONFIGURATION

When U122A is detected, configuration data must be written.

>> Write configuration data with CONSULT. Refer to 

AV-117, "CONFIGURATION (AV CONTROL

UNIT) : Work Procedure"

.

CONSULT Display

DTC Detection Condition

Possible Cause

CONFIG UNFINISH
[U122A]

Configuration data is incomplete.

Write configuration data.
Refer to 

AV-117, "CONFIGURATION (AV CON-

TROL UNIT) : Work Procedure"

.