Infiniti G37 Coupe. Manual — part 164

AV

U1310 AV CONTROL UNIT

AV-409

< COMPONENT DIAGNOSIS >

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U1310 AV CONTROL UNIT

Description

INFOID:0000000001558794

Replace the AV control unit if this DTC is displayed. Refer to

AV-608, "Exploded View"

.

DTC Logic

INFOID:0000000001558795

Part name

Description

AV CONTROL UNIT

• Integrates HDD (hard disk drive) allowing map data and music data to be

stored.

• It is the master unit of the MULTI AV system, and it is connected to each control

unit by communication. It operates each system according to communication
signals from the AV control unit.

• The AV control unit includes the audio, hands-free phone, voice control, navi-

gation, satellite radio and vehicle information functions.

• It is connected to ECM and unified meter and A/C amp. via CAN communica-

tion to obtain necessary information for the vehicle information function.

• It is connected to BCM via CAN communication transmitting/receiving for the

vehicle settings function.

• It inputs the illumination signals that are required for the display dimming con-

trol.

• It inputs the signals for driving status recognition (vehicle speed, reverse and

parking brake).

DTC

Display contents of

CONSULT-III

DTC Detection Condition

Action to take

U1310

CONTROL UNIT (AV)
[U1310]

An initial diagnosis error is detected in AV communication
circuit.

Replace AV control unit.

AV-410

< COMPONENT DIAGNOSIS >

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U1200 AV CONTROL UNIT

U1200 AV CONTROL UNIT

Description

INFOID:0000000001733708

Replace the AV control unit if this DTC is displayed. Refer to

AV-608, "Exploded View"

.

DTC Logic

INFOID:0000000001558797

Part name

Description

AV CONTROL UNIT

• Integrates HDD (hard disk drive) allowing map data and music data to be

stored.

• It is the master unit of the MULTI AV system, and it is connected to each control

unit by communication. It operates each system according to communication
signals from the AV control unit.

• The AV control unit includes the audio, hands-free phone, voice control, navi-

gation, satellite radio and vehicle information functions.

• It is connected to ECM and unified meter and A/C amp. via CAN communica-

tion to obtain necessary information for the vehicle information function.

• It is connected to BCM via CAN communication transmitting/receiving for the

vehicle settings function.

• It inputs the illumination signals that are required for the display dimming con-

trol.

• It inputs the signals for driving status recognition (vehicle speed, reverse and

parking brake).

DTC

Display contents of

CONSULT-III

DTC Detection Condition

Action to take

U1200

Cont Unit
FLASH-ROM
[U1200]

An internal malfunction is detected in AV control unit
(FLASH-ROM).

Replace AV control unit.

AV

U1201 AV CONTROL UNIT

AV-411

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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U1201 AV CONTROL UNIT

Description

INFOID:0000000001682739

Replace the AV control unit if this DTC is displayed. Refer to

AV-608, "Exploded View"

.

DTC Logic

INFOID:0000000001558799

Part name

Description

AV CONTROL UNIT

• Integrates HDD (hard disk drive) allowing map data and music data to be

stored.

• It is the master unit of the MULTI AV system, and it is connected to each control

unit by communication. It operates each system according to communication
signals from the AV control unit.

• The AV control unit includes the audio, hands-free phone, voice control, navi-

gation, satellite radio and vehicle information functions.

• It is connected to ECM and unified meter and A/C amp. via CAN communica-

tion to obtain necessary information for the vehicle information function.

• It is connected to BCM via CAN communication transmitting/receiving for the

vehicle settings function.

• It inputs the illumination signals that are required for the display dimming con-

trol.

• It inputs the signals for driving status recognition (vehicle speed, reverse and

parking brake).

DTC

Display contents of

CONSULT-III

DTC Detection Condition

Action to take

U1201

GYRO NO CONN
[U1201]

Internal malfunction of AV control unit (gyrocompass dis-
connection) is detected.

Replace AV control unit.

AV-412

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

U1216 AV CONTROL UNIT

U1216 AV CONTROL UNIT

Description

INFOID:0000000001682740

Replace the AV control unit if this DTC is displayed. Refer to

AV-608, "Exploded View"

.

DTC Logic

INFOID:0000000001558801

Part name

Description

AV CONTROL UNIT

• Integrates HDD (hard disk drive) allowing map data and music data to be

stored.

• It is the master unit of the MULTI AV system, and it is connected to each control

unit by communication. It operates each system according to communication
signals from the AV control unit.

• The AV control unit includes the audio, hands-free phone, voice control, navi-

gation, satellite radio and vehicle information functions.

• It is connected to ECM and unified meter and A/C amp. via CAN communica-

tion to obtain necessary information for the vehicle information function.

• It is connected to BCM via CAN communication transmitting/receiving for the

vehicle settings function.

• It inputs the illumination signals that are required for the display dimming con-

trol.

• It inputs the signals for driving status recognition (vehicle speed, reverse and

parking brake).

DTC

Display contents of

CONSULT-III

DTC Detection Condition

Action to take

U1216

CAN CONT
[U1216]

Internal malfunction of AV control unit (CAN controller) is
detected.

Replace AV control unit.