Infiniti FX35, FX50 (S51). Manual - part 176

AV

U1216 AV CONTROL UNIT

AV-477

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1216 AV CONTROL UNIT

DTC Logic

INFOID:0000000005474792

DTC

Display contents of 

CONSULT-III

DTC detection condition

Possible malfunction factor

U1216

CAN CONT
[U1216]

AV control unit malfunction is detected.

Replace the AV control unit if the mal-
function occurs constantly.

AV-478

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

U1217 AV CONTROL UNIT

U1217 AV CONTROL UNIT

DTC Logic

INFOID:0000000005474794

DTC

Display contents of 

CONSULT-III

DTC detection condition

Possible malfunction factor

U1217

BLUETOOTH MODULE
[U1217]

AV control unit malfunction is detected.

Replace the AV control unit if the mal-
function occurs constantly.

AV

U1218 AV CONTROL UNIT

AV-479

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

U1218 AV CONTROL UNIT

DTC Logic

INFOID:0000000005474796

Diagnosis Procedure

INFOID:0000000005474797

1.

CHECK MUSIC BOX FUNCTION

Is music box function normal?

YES

>> Malfunction may be detected transitory.

NO

>> Replace AV control unit. Refer to 

AV-562, "Exploded View"

.

DTC

Display contents of 

CONSULT-III

DTC detection condition

Possible malfunction factor

U1218

HDD CONN
[U1218]

AV control unit malfunction is detected.

• If the music box function has no 

malfunctions, then there is a possi-
bility of the detection of a temporary 
malfunction.

• Replace the AV control unit if the 

malfunction occurs constantly.

AV-480

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

U1219 AV CONTROL UNIT

U1219 AV CONTROL UNIT

DTC Logic

INFOID:0000000005474799

Diagnosis Procedure

INFOID:0000000005474800

1.

CHECK MUSIC BOX FUNCTION

Is music box function normal?

YES

>> Malfunction may be detected transitory.

NO

>> Replace AV control unit. Refer to 

AV-562, "Exploded View"

.

DTC

Display contents of 

CONSULT-III

DTC detection condition

Possible malfunction factor

U1219

HDD READ
[U1219]

AV control unit malfunction is detected.

• If the music box function has no 

malfunctions, then there is a possi-
bility of the detection of a temporary 
malfunction.

• Replace the AV control unit if the 

malfunction occurs constantly.