Nissan Leaf. Manual - part 113

AV

U121F AV CONTROL UNIT

AV-443

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

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U121F AV CONTROL UNIT

DTC Logic

INFOID:0000000010122670

 CONSULT Display

DTC Detection Condition

Possible Cause

CONTROL UNIT
 [U121F] 

AV control unit malfunction is detected

Replace the AV control unit if the malfunction 
constantly occurs.
Refer to 

AV-488, "Removal and Installation"

.

AV-444

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

U1232 STEERING ANGLE SENSOR

U1232 STEERING ANGLE SENSOR

AV CONTROL UNIT
AV CONTROL UNIT : DTC Logic

INFOID:0000000010122671

AV CONTROL UNIT : Diagnosis Procedure

INFOID:0000000010122672

1.

ADJUST NEUTRAL POSITION OF STEERING ANGLE SENSOR

When U1232 is detected, adjust the neutral position of the steering angle sensor.

>> Perform neutral position adjustment of the steering angle sensor. Refer to 

AV-376, "CONSULT

Function"

.

AROUND VIEW MONITOR CONTROL UNIT
AROUND VIEW MONITOR CONTROL UNIT : DTC Logic

INFOID:0000000010558342

AROUND VIEW MONITOR CONTROL UNIT : Diagnosis Procedure

INFOID:0000000010558343

1.

ADJUST NEUTRAL POSITION OF STEERING ANGLE SENSOR

When U1232 is detected, adjust the neutral position of the steering angle sensor.

>> Perform neutral position adjustment of the steering angle sensor. Refer to 

AV-377, "CONSULT

Function"

.

CONSULT Display

DTC Detection Condition

Possible Cause

Steering angle sensor calibra-
tion 
 [U1232] 

Neutral position adjustment of the steering angle 
sensor is not complete.

Perform neutral position adjustment of the steer-
ing angle sensor.
Refer to 

AV-376, "CONSULT Function"

.

CONSULT Display

DTC Detection Condition

Possible Cause

Steering angle sensor calibra-
tion 
 [U1232] 

Neutral position adjustment of the steering angle 
sensor is not complete.

Perform neutral position adjustment of the steer-
ing angle sensor.
Refer to 

AV-377, "CONSULT Function"

.

AV

U1244 GPS ANTENNA

AV-445

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

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U1244 GPS ANTENNA

DTC Logic

INFOID:0000000010122673

Diagnosis Procedure

INFOID:0000000010122674

Regarding Wiring Diagram information, refer to 

AV-394, "Wiring Diagram"

.

1.

CHECK THE GPS ANTENNA CONNECTOR.

Check the connection status of the GPS antenna connector.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK THE GPS ANTENNA FEEDER.

Check the GPS antenna feeder visually.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace the GPS antenna. Refer to 

AV-493, "Removal and Installation"

.

3.

CHECK AV CONTROL UNIT VOLTAGE

1. Disconnect AV control unit connector M121.

2. Turn power switch ON.

3. Check voltage between AV control unit connector M121 and ground.

Is the inspection result normal?

YES

>> Replace the GPS antenna. Refer to 

AV-493, "Removal and Installation"

.

NO

>> Replace the AV control unit. Refer to 

AV-488, "Removal and Installation"

.

CONSULT Display

DTC Detection Condition

Possible Cause

GPS ANTENNA CONN
 [U1244] 

GPS antenna connection malfunction is detected

• Check the connection status of the GPS anten-

na.

• Replace the GPS antenna.

Refer to 

AV-493, "Removal and Installation"

.

AV control unit

Ground

Voltage

(Approx.)

Connector

Terminal

M121

83

—

5.0 V

AV-446

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

U1258 SATELLITE RADIO ANTENNA

U1258 SATELLITE RADIO ANTENNA

DTC Logic

INFOID:0000000010122675

Diagnosis Procedure

INFOID:0000000010122676

Regarding Wiring Diagram information, refer to 

AV-394, "Wiring Diagram"

.

1.

CHECK THE SATELLITE ANTENNA CONNECTOR.

Check the connection status of the satellite antenna connector.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK THE SATELLITE ANTENNA FEEDER.

Check the satellite antenna feeder visually.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace the satellite antenna. Refer to 

AV-496, "Removal and Installation"

.

3.

CHECK AV CONTROL UNIT VOLTAGE

1. Disconnect AV control unit connector M123.

2. Turn power switch ON.

3. Check voltage between AV control unit connector M123 and ground.

Is the inspection result normal?

YES

>> Replace the satellite antenna. Refer to 

AV-496, "Removal and Installation"

.

NO

>> Replace the AV control unit. Refer to 

AV-488, "Removal and Installation"

.

CONSULT Display

DTC Detection Condition

Possible Cause

XM ANTENNA CONN
[U1258]

Satellite radio antenna connection malfunction is 
detected.

Satellite radio antenna disconnection.

AV control unit

Ground

Voltage

(Approx.)

Connector

Terminal

M123

88

—

5.0 V