Infiniti EX35. Manual — part 188

AV

U1300 AV COMM CIRCUIT

AV-533

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U1300 AV COMM CIRCUIT

WITHOUT REAR VIEW MONITOR AND AROUND VIEW MONITOR

WITHOUT REAR VIEW MONITOR AND AROUND VIEW MONITOR : Description

INFOID:0000000003160694

U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simulta-
neously, without fail, with the malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.

Self-diagnosis results display item

WITH REAR VIEW MONITOR

WITH REAR VIEW MONITOR : Description

INFOID:0000000003415758

U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simulta-
neously, without fail, with the malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.

Self-diagnosis results display item

DTC

Display contents of

CONSULT-III

Description

Possible malfunction factor/Action to

take

U1300
U121F

• AV COMM CIRCUIT

[U1300]

• INTERNAL COMM

[U121F]

When either one of the following items is detected.

• AV control unit power supply and ground circuits mal-

function is detected.

• AV control unit malfunction is detected.

• AV control unit power supply and

ground circuits.

• When there is no malfunction, AV

control unit is malfunctioning.

U1300
U1240

• AV COMM CIRCUIT

[U1300]

• SWITCH CONN

[U1240]

When either one of the following items is detected.

• Multifunction switch power supply and ground circuits

malfunction is detected.

• Malfunction is detected in AV communication circuits

between multifunction switch and the junction of AV
control unit and iPod adapter.

• Multifunction switch power supply

and ground circuits.

• AV communication circuits be-

tween multifunction switch and the
junction of AV control unit and iPod
adapter.

U1300
U1254

• AV COMM CIRCUIT

[U1300]

• IPOD CONN [U1254]

When either one of the following items is detected.

• iPod adapter power supply and ground circuits malfunc-

tion is detected.

• Malfunction is detected in AV communication circuits

between iPod adapter and the junction of AV control
unit and multifunction switch.

• iPod adapter power supply and

ground circuits.

• AV communication circuits be-

tween iPod adapter and the junc-
tion of AV control unit and
multifunction switch.

U1300
U1240
U1254

• AV COMM [U1300]
• SWITCH CONN

[U1240]

• IPOD CONN [U1254]

Malfunction is detected in AV communication circuits be-
tween AV control unit and the junction of multifunction
switch and iPod adapter.

AV communication circuits between
AV control unit and the junction of
multifunction switch and iPod adapt-
er.

U1300
U121F
U1240
U1254

• AV COMM [U1300]
• INTERNAL COMM

[U121F]

• SWITCH CONN

[U1240]

• IPOD CONN [U1254]

Malfunction is detected in AV communication circuits.

Check and repair the short circuit in
AV communication circuits.

AV-534

< COMPONENT DIAGNOSIS >

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U1300 AV COMM CIRCUIT

WITH AROUND VIEW MONITOR

WITH AROUND VIEW MONITOR : Description

INFOID:0000000003415759

U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simulta-
neously, without fail, with the malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.

Self-diagnosis results display item

DTC

Display contents of

CONSULT-III

Description

Possible malfunction factor/Action to

take

U1300
U121F

• AV COMM CIRCUIT

[U1300]

• INTERNAL COMM

[U121F]

When either one of the following items is detected.

• AV control unit power supply and ground circuits mal-

function is detected.

• AV control unit malfunction is detected.

• AV control unit power supply and

ground circuits.

• When there is no malfunction, AV

control unit is malfunctioning.

U1300
U1240

• AV COMM CIRCUIT

[U1300]

• SWITCH CONN

[U1240]

When either one of the following items is detected.

• Multifunction switch power supply and ground circuits

malfunction is detected.

• Malfunction is detected in AV communication circuits

between multifunction switch and the junction of AV
control unit and camera control unit.

• Multifunction switch power supply

and ground circuits.

• AV communication circuits be-

tween multifunction switch and the
junction of AV control unit and cam-
era control unit.

U1300
U1254

• AV COMM CIRCUIT

[U1300]

• IPOD CONN [U1254]

When either one of the following items is detected.

• Malfunction is detected in iPod adapter power supply

and ground circuits.

• Malfunction is detected in AV communication circuits

between rear view camera control unit and iPod adapt-
er.

• iPod adapter power supply and

ground circuits.

• AV communication circuits be-

tween rear view camera control unit
and iPod adapter.

U1300
U1252

• AV COMM CIRCUIT

[U1300]

• REAR CAMERA LAN

CONN [U1252]

Camera control unit power supply and ground circuits
malfunction is detected.

Camera control unit power supply
and ground circuits.

U1300
U1252
U1254

• AV COMM CIRCUIT

[U1300]

• REAR CAMERA LAN

CONN [U1252]

• IPOD CONN [U1254]

Malfunction is detected in AV communication circuits be-
tween camera control unit and the junction of AV control
unit and multifunction switch.

AV communication circuits between
camera control unit and the junction
of AV control unit and multifunction
switch.

U1300
U1240
U1252
U1254

• AV COMM CIRCUIT

[U1300]

• SWITCH CONN

[U1240]

• REAR CAMERA LAN

CONN [U1252]

• IPOD CONN [U1254]

Malfunction is detected in AV communication circuits be-
tween AV control unit and the junction of camera control
unit and multifunction switch.

AV communication circuits between
AV control unit and the junction of
camera control unit and multifunction
switch.

U1300
U121F
U1240
U1252
U1254

• AV COMM CIRCUIT

[U1300]

• INTERNAL COMM

[U121F]

• SWITCH CONN

[U1240]

• REAR CAMERA LAN

CONN [U1252]

• IPOD CONN [U1254]

Malfunction is detected in AV communication circuits.

Check and repair the short circuit in
AV communication circuits.

AV

U1300 AV COMM CIRCUIT

AV-535

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DTC

Display contents of

CONSULT-III

Description

Possible malfunction factor/Action to

take

U1300
U121F

• AV COMM CIRCUIT

[U1300]

• INTERNAL COMM

[U121F]

When either one of the following items is detected.

• AV control unit power supply and ground circuits mal-

function is detected.

• AV control unit malfunction is detected.

• AV control unit power supply and

ground circuits.

• When there is no malfunction, AV

control unit is malfunctioning.

U1300
U1240

• AV COMM CIRCUIT

[U1300]

• SWITCH CONN

[U1240]

When either one of the following items is detected.

• Multifunction switch power supply and ground circuits

malfunction is detected.

• Malfunction detected in AV communication circuits be-

tween multifunction switch and the junction of AV con-
trol unit and around view monitor control unit.

• Multifunction switch power supply

and ground circuits.

• AV communication circuits be-

tween multifunction switch and the
junction of AV control unit and
around view monitor control unit.

U1300
U1254

• AV COMM CIRCUIT

[U1300]

• IPOD CONN [U1254]

When either one of the following items is detected.

• Malfunction is detected in iPod adapter power supply

and ground circuits.

• Malfunction is detected in AV communication circuits

between around view monitor control unit and iPod
adapter.

• iPod adapter power supply and

ground circuits.

• AV communication circuits be-

tween around view monitor control
unit and iPod adapter.

U1300

U125B

• AV COMM CIRCUIT

[U1300]

• AROUND CAMERA

CONN [U125B]

Around view monitor control unit power supply and
ground circuits malfunction is detected.

Around view monitor control unit pow-
er supply and ground circuits.

U1300

U125C

• AV COMM CIRCUIT

[U1300]

• SONAR CONN

[U125C]

When either one of the following items is detected.

• Sonar control unit power supply and ground circuits

malfunction is detected.

• Malfunction is detected in AV communication circuits

between sonar control unit and the junction of AV con-
trol unit and multifunction switch.

• Sonar control unit power supply

and ground circuits.

• AV communication circuits be-

tween sonar control unit and the
junction of AV control unit and mul-
tifunction switch.

U1300
U1254

U125B

• AV COMM CIRCUIT

[U1300]

• IPOD CONN [U1254]
• AROUND CAMERA

CONN [U125B]

Malfunction is detected in AV communication circuits be-
tween around view monitor control unit and the junction of
AV control unit and multifunction switch.

AV communication circuits between
around view monitor control unit and
the junction of AV control unit and
multifunction switch.

U1300
U1240
U1254

U125B

• AV COMM CIRCUIT

[U1300]

• SWITCH CONN

[U1240]

• IPOD CONN [U1254]
• AROUND CAMERA

CONN [U125B]

Malfunction is detected in AV communication circuits be-
tween AV control unit and the junction of around view
monitor control unit and multifunction switch.

AV communication circuits between
AV control unit and the junction of
around view monitor control unit and
multifunction switch.

U1300
U121F
U1240
U1254

U125B

• AV COMM CIRCUIT

[U1300]

• INTERNAL COMM

[U121F]

• SWITCH CONN

[U1240]

• IPOD CONN [U1254]
• AROUND CAMERA

CONN [U125B]

Malfunction is detected in AV communication circuits.

Check and repair the short circuit in
AV communication circuits.

AV-536

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B2700 CORNER SENSOR [FL]

B2700 CORNER SENSOR [FL]

Description

INFOID:0000000003510909

DTC Logic

INFOID:0000000003510910

DTC DETECTION LOGIC

Component

Description

CORNER SENSOR

The obstacle distance is detected. The signal is transmitted to the sonar control unit.

DTC No.

CONSULT-III indication

DTC detection condition

Troubleshooting

B2700

CORNER SENSOR [FL]
[B2700]

Corner sensor front left is malfunctioning.

Replace corner sensor front LH.