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Nissan Sentra B18 (2020-2025) Service Manual: Ecu Diagnosis Information. Av Control Unit

Av Control Unit

Values on the Diagnosis Tool

Values on the Diagnosis Tool Note:

The following table includes information (items) inapplicable to this Nissan Sentra vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.

Monitor Item

Condition

Value/Status

Sunload sensor

—

Off

—

On

Parking brake

Parking brake not applied.

Off

Parking brake applied.

On

IGN SIG

Ignition switch OFF.

Off

Ignition switch ON.

On

Auto ACC

Auto accessory mode OFF.

Off

Auto accessory mode ON.

On

ACC

Accessory mode OFF.

Off

Accessory mode ON.

On

Aux IN 1

Accessory not connected to aux in jack.

Off

Accessory connected to aux in jack.

On

Aux IN 2

Accessory not connected to USB.

Off

Accessory connected to USB.

On

TCU mute signal

TCU not sending mute signal.

Off

TCU sending mute signal.

On

REV SIG

Selector lever in any position other than R.

Off

Selector lever in R position.

On

ILLUM SIG

Illumination signal not received.

Off

Illumination signal received.

On

Illumination Control

Illumination control signal not received.

Off

Illumination control signal received.

On

Reference Value

Reference Value

TERMINAL LAYOUT

PHYSICAL VALUES

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/Output

Ignition switch

Operation

2

(BR)

3

(SB)

Sound signal front door speaker and front tweeter LH

Output

ON

Sound output

4

(LG)

5

(P)

Sound signal rear speaker LH

Output

ON

Sound output

11

(B)

12

(W)

Sound signal front door speaker and front tweeter RH

Output

ON

Sound output

13

(G)

14

(R)

Sound signal rear speaker RH

Output

ON

Sound output

19

(P)

Ground

Battery power supply

Input

OFF

—

Battery voltage

20

(B)

Ground

Ground

—

ON

—

0 V

21

(V)1

(B)2

42

(Shield)1

(LA/B)2

Microphone signal

Input

ON

While speaking into microphone.

22

(LG)

Ground

MIC VCC

Output

ON

—

5 V

27

(L)

Ground

AUX jack audio signal RH

Input

ON

Received audio signal (AUX input)

28

(Y)

Ground

AUX ground

—

ON

—

0 V

292

(W)

492

(B)

Telematics microphone signal

Input

ON

While speaking into microphone.

302

(Shield)

—

Telematics microphone signal shield

—

—

—

—

32

(W)

Ground

Camera ground

—

ON

—

0 V

33

(R)

Ground

Camera power supply

Output

ON

Camera image displayed

6.0 V

Except for above

0 V

38

(LA/SB)

—

AV communication high

Input/Output

—

—

—

39

(LA/SB)

—

AV communication high

Input/Output

—

—

—

40

(LA/SB)

—

CAN-High

Input/Output

—

—

—

47

(G)

Ground

AUX jack audio signal LH

Input

ON

Received audio signal (AUX input)

48

(Shield)

—

AUX signal shield

—

—

—

—

50

(Y)

—

HF/VR mode change

—

—

—

—

52

(B)

53

(Shield)

Camera image signal

Input

ON

Camera image displayed

58

(LA/LG)

—

AV communication low

Input/Output

—

—

—

59

(LA/LG)

—

AV communication low

Input/Output

—

—

—

60

(LA/V)

—

CAN-Low

Input/Output

—

—

—

61

(Y)

—

USB ground

—

—

—

—

63

(L)

—

USB D+ signal

—

—

—

—

64

(G)

—

USB D− signal

—

—

—

—

65

(R)

—

V BUS signal

—

—

—

—

66

(Shield)

—

USB shield

—

—

—

—

67

(B)

Ground

AM/FM antenna signal

Input

ON

AV control unit ON, FM-AM selected.

5.0 V

68

(Shield)

—

AM/FM antenna shield

—

—

—

—

69

(B)

Ground

Satellite antenna signal

Input

ON

AV control unit ON, XM selected.

5.0 V

70

(Shield)

—

Satellite antenna shield

—

—

—

—

712

(B)

—

USB ground

—

—

—

—

732

(G)

—

USB D+ signal

—

—

—

—

742

(W)

—

USB D− signal

—

—

—

—

752

(R)

—

V BUS signal

—

—

—

—

762

(Shield)

—

USB shield

—

—

—

—

1: Without Telematics System

2: With Telematics System

Fail Safe

Fail Safe

DTC

AV control unit operation in fail-safe mode

B1305-04

AV control unit internal error

B130B-11

Rear door speaker RH inoperative

B130B-12

B130B-13

B130B-1C

B130D-11

  • Front door speaker RH inoperative

  • Front tweeter RH inoperative

B130D-12

B130D-13

Front door speaker RH inoperative

B130D-1C

  • Front door speaker RH inoperative

  • Front tweeter RH inoperative

B130F-11

  • Front door speaker LH inoperative

  • Front tweeter LH inoperative

B130F-12

B130F-13

Front door speaker LH inoperative

B130F-1C

  • Front door speaker LH inoperative

  • Front tweeter LH inoperative

B1311-11

Rear door speaker LH inoperative

B1311-12

B1311-13

B1311-1C

B1315-11

No AM/FM radio reception

B1315-13

B1317-11

No satellite radio reception

B1317-13

B1321-13

Front tweeter RH inoperative

B1322-13

Front tweeter LH inoperative

B1328-11

Microphone is inoperative

B1328-12

B1328-13

B132A-01

USB is inoperative

B132A-13

B132A-49

B132C-01

Telematics system inoperative

B132C-13

B132C-49

B1339-8F

Rear view camera is inoperative

B1341-16

Battery protection shuts AV control unit down 60 seconds after low voltage condition

B1341-17

  • AV control unit display inoperative

  • Audio output is inoperative

B1341-49

AV control unit internal failure

B1341-55

AV control unit configuration error

B1341-98

AV control unit shuts down after 5 seconds

B1342-62

Audio and visual system features are unavailable

B1343-41

AV control unit ROM error

B1344-41

AV control unit EEPROM error

B1345-49

AV control unit Gyro error

B1347-49

Bluetooth® is inoperative

B1351-4B

AV control unit shuts down and cannot restart for more than 5 minutes

B1356-49

AV control unit DSP error

B135E-49

AV control unit fan error

B1360-02

Steering switch is inoperative

B1375-11

Rear view camera is inoperative

B1375-12

B1375-13

B1380-49

Wi-fi function is inoperative

B1383-01

Predictive course line is not displayed

B13CF-73

AV control unit buttons error

B13D9-8F

USB devices connected to front auxiliary input jacks are inoperative

B13E5-8F

Telematics system inoperative

U0079-00

CAN communication does not function

U1000-01

Function of CAN communication signals received by AV control unit are inoperative

U1300-01

AV communication is inoperative

Dtc Inspection Priority Chart

DTC Inspection Priority Chart

If multiple DTCs are detected simultaneously, check them one by one depending on the following DTC inspection priority chart:

Priority

Detected items (DTC)

1

  • U0079-00: Control module communication Bus G Off

  • U1000-01: CAN COMM CIRCUIT

  • U1300-01: AV communication circuit

2

  • B1305-04: Control unit internal error

  • B1341-16: Head unit

  • B1341-17: Head unit

  • B1341-49: Head unit

  • B1341-55: Head unit

  • B1341-98: Head unit

  • B1342-62: Locked system

  • B1343-41: ECU Rom

  • B1344-41: ECU EEPROM

  • B1345-49: ECU Gyro

  • B1347-49: ECU Bluetooth module

  • B1351-4B: ECU amplifier

  • B1356-49: ECU DSP

  • B135E-49: ECU fan

  • B1380-49: ECU Wifi module

3

  • B130B-11: Rear RH speaker

  • B130B-12: Rear RH speaker

  • B130B-13: Rear RH speaker

  • B130B-1C: Rear RH speaker

  • B130D-11: Front RH speaker

  • B130D-12: Front RH speaker

  • B130D-13: Front RH speaker

  • B130D-1C: Front RH speaker

  • B130F-11: Front LH speaker

  • B130F-12: Front LH speaker

  • B130F-13: Front LH speaker

  • B130F-1C: Front LH speaker

  • B1311-11: Rear LH speaker

  • B1311-12: Rear LH speaker

  • B1311-13: Rear LH speaker

  • B1311-1C: Rear LH speaker

  • B1315-11: AM/FM 1 antenna

  • B1315-13: AM/FM 1 antenna

  • B1317-11: XM antenna connection

  • B1317-13: XM antenna connection

  • B1321-13: Front right tweeter

  • B1322-13: Front left tweeter

  • B1328-11: External microphone 1

  • B1328-12: External microphone 1

  • B1328-13: External microphone 1

  • B132A-01: External USB

  • B132A-13: External USB

  • B132A-49: External USB

  • B132C-01: TCU Connection

  • B132C-13: TCU Connection

  • B132C-49: TCU Connection

  • B1339-8F: Rear camera connection

  • B1360-02: Combination meter

  • B1375-11: Rear camera Power supply

  • B1375-12: Rear camera Power supply

  • B1375-13: Rear camera Power supply

  • B1383-01: Incomp steering angle sensor adjust

  • B13CF-73: Buttons

  • B13D9-8F: USB communication error

  • B13E5-8F: TCU connection

Dtc Index

DTC Index

CONSULT Display

Reference Page

B1305-04: Control unit internal error

DTC Description

B130B-11: Rear RH speaker

DTC Description

B130B-12: Rear RH speaker

B130B-13: Rear RH speaker

B130B-1C: Rear RH speaker

B130D-11: Front RH speaker

DTC Description

B130D-12: Front RH speaker

B130D-13: Front RH speaker

B130D-1C: Front RH speaker

B130F-11: Front LH speaker

DTC Description

B130F-12: Front LH speaker

B130F-13: Front LH speaker

B130F-1C: Front LH speaker

B1311-11: Rear LH speaker

DTC Description

B1311-12: Rear LH speaker

B1311-13: Rear LH speaker

B1311-1C: Rear LH speaker

B1315-11: AM/FM 1 antenna

DTC Description

B1315-13: AM/FM 1 antenna

B1317-11: XM antenna connection

DTC Description

B1317-13: XM antenna connection

B1321-13: Front right tweeter

DTC Description

B1322-13: Front left tweeter

DTC Description

B1328-11: External microphone 1

DTC Description

B1328-12: External microphone 1

B1328-13: External microphone 1

B132A-01: External USB

DTC Description

B132A-13: External USB

B132A-49: External USB

B132C-01: TCU Connection

DTC Description

B132C-13: TCU Connection

B132C-49: TCU Connection

B1339-8F: Rear camera connection

DTC Description

B1341-16: Head unit

DTC Description

B1341-17: Head unit

B1341-49: Head unit

B1341-55: Head unit

B1341-98: Head unit

B1342-62: Locked system

DTC Description

B1343-41: ECU Rom

DTC Description

B1344-41: ECU EEPROM

DTC Description

B1345-49: ECU Gyro

DTC Description

B1347-49: ECU Bluetooth module

DTC Description

B1351-4B: ECU Amplifier

DTC Description

B1356-49: ECU DSP

DTC Description

B135E-49: ECU Fan

DTC Description

B1360-02: Combination meter

DTC Description

B1375-11: Rear camera Power supply

DTC Description

B1375-12: Rear camera Power supply

B1375-13: Rear camera Power supply

B1380-49: ECU Wifi module

DTC Description

B1383-01: Incomp steering angle sensor adjust

DTC Description

B13CF-73: Buttons

DTC Description

B13D9-8F: USB communication error

DTC Description

B13E5-8F: TCU connection

DTC Description

U0079-00: Control module communication Bus G Off

DTC Description

U1000-01: CAN COMM CIRCUIT

DTC Description

U1300-01: AV communication circuit

DTC Description

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