Nissan Frontier. Manual - part 76

AV-296

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

U12AA CONFIGURATION ERROR

U12AA CONFIGURATION ERROR

DTC Logic

INFOID:0000000009482218

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009482219

1.

PERFORM CONFIGURATION

When U12AA is detected, configuration data must be written.

>> Write configuration data with CONSULT. Refer to 

AV-284, "CONFIGURATION (AV CONTROL

UNIT) : Work Procedure"

.

CONSULT Display

DTC Detection Condition

Possible Cause

Configuration Error
[U12AA]

AV control unit is not properly configured or con-
figuration is corrupt.

Configuration data needs to be written.
Refer to 

AV-284, "CONFIGURATION (AV CON-

TROL UNIT) : Work Procedure"

.

AV

U12AB ANTENNA

AV-297

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

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U12AB ANTENNA

DTC Logic

INFOID:0000000009482220

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009482221

Regarding Wiring Diagram information, refer to 

AV-264, "Wiring Diagram"

.

1.

ROD ANTENNA INSPECTION

Visually inspect the rod antenna and antenna feeder. Refer to 

AV-357, "Location of Antenna"

.

Is inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-348, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning components.

CONSULT Display

DTC Detection Condition

Possible Cause

FM Antenna error
[U12AB]

Open or short to ground is detected in rod anten-
na connection.

• Rod antenna disconnection.
• Open or short to ground in antenna feeder.

AV-298

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

U12AC AV CONTROL UNIT

U12AC AV CONTROL UNIT

DTC Logic

INFOID:0000000009482222

DTC DETECTION LOGIC

CONSULT Display

DTC Detection Condition

Possible Cause

Display Temperature too High
[U12AC]

Display temperature has exceeded maximum 
temperature. Display is switched OFF to avoid ir-
reversible damage.

Replace AV control unit if malfunction occurs 
constantly.
Refer to 

AV-348, "Removal and Installation"

.

AV

U12AD AV CONTROL UNIT

AV-299

< DTC/CIRCUIT DIAGNOSIS >

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U12AD AV CONTROL UNIT

DTC Logic

INFOID:0000000009482223

DTC DETECTION LOGIC

CONSULT Display

DTC Detection Condition

Possible Cause

ECU Temperature too High
[U12AD]

AV control unit temperature has exceeded maxi-
mum temperature.

Replace AV control unit if malfunction occurs 
constantly.
Refer to 

AV-348, "Removal and Installation"

.