Infiniti FX35, FX50 (S51). Manual - part 79

AV

U1228 AV CONTROL UNIT

AV-89

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT NAVIGATION]

C

D

E

F

G

H

I

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L

M

B

A

O

P

U1228 AV CONTROL UNIT

DTC Logic

INFOID:0000000005528936

DTC DETECTION LOGIC

DTC

Display contents of CON-

SULT-III

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.

AV-90

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT NAVIGATION]

U1229 AV CONTROL UNIT

U1229 AV CONTROL UNIT

DTC Logic

INFOID:0000000005528937

DTC DETECTION LOGIC

DTC

Display contents of CON-

SULT-III

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.

AV

U122A AV CONTROL UNIT

AV-91

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT NAVIGATION]

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U122A AV CONTROL UNIT

DTC Logic

INFOID:0000000005528971

Diagnosis Procedure

INFOID:0000000005528972

1.

PERFORM THE SELF-DIAGNOSIS

When U122A is detected, write configuration data with CONSULT-III.

>> Write configuration data with CONSULT-III. Refer to 

AV-80, "CONFIGURATION (AV CONTROL

UNIT) : Work Procedure"

.

DTC

Display contents of 

CONSULT-III

DTC detection condition

Action to take

U122A

CONFIG UNFINISH 
[U122A]

The writing of configuration data is incomplete.

Write configuration data with CON-
SULT-III.

AV-92

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT NAVIGATION]

U122E AV CONTROL UNIT

U122E AV CONTROL UNIT

DTC Logic

INFOID:0000000005528940

DTC DETECTION LOGIC

DTC

Display contents of CON-

SULT-III

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.