Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Nissan Sentra B18 (2020-2025) Service Manual: Ecu Diagnosis Information

Av Control Unit

List of Ecu Reference

List of ECU Reference

ECU

Reference

AV control unit (DISPLAY AUDIO WITH BOSE WITH 8’ COLOR DISPLAY)

Values on the Diagnosis Tool

Reference Value

Fail Safe

DTC Inspection Priority Chart

DTC Index

Around View Monitor 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

CAMERA OFF SIGNAL

CAMERA switch ON.

Off

CAMERA switch OFF.

On

CAMERA SWITCH SIGNAL

CAMERA switch OFF.

Off

CAMERA switch ON.

On

DR-SIDE CAMERA IMAGE SIG

Side camera LH inoperative.

NG

Side camera LH operative.

OK

F-CAMERA IMAGE SIGNAL

Front camera inoperative.

NG

Front camera operative.

OK

ILL

Illumination OFF.

Off

Illumination ON.

On

PA-SIDE CAMERA IMAGE SIG

Side camera RH inoperative.

NG

Side camera RH operative.

OK

REAR CAMERA IMAGE SIGNAL

Rear view camera inoperative.

NG

Rear view camera operative.

OK

REVERSE SIGNAL

When selector lever is in any position other than R (reverse).

Off

When selector lever in R (reverse).

On

ST ANGLE SENSOR SIGNAL

Around view monitor control unit is not receiving steering angle sensor signal.

Off

Around view monitor control unit is receiving steering angle sensor signal.

On

ST ANGLE SENSOR TYPE

Steering angle sensor type.

Absolute

STEERING GEAR RATIO TYPE

Steering gear ratio type.

Type 0

STEERING POSITION

Left hand drive Nissan Sentra vehicle.

LHD

Right hand drive Nissan Sentra vehicle.

RHD

TURN SIGNAL

Turn signal OFF.

Off

Turn signal ON.

On

Nissan Sentra Vehicle SPEED SIGNAL

While driving, equivalent to speedometer reading

mph, km/h

Reference Value

Reference Value

TERMINAL LAYOUT

PHYSICAL VALUES

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

Signal name

Input/Output

1

(Shield)

Calibration connector (not used)

2

(B)

Calibration connector (not used)

3

(Shield)

Video output shield

4

(W)

Ground

Video output signal

Output

[Ignition switch ON]

  • CAMERA switch is ON or shift position is R position

5

(B)

Front camera ground

[Ignition switch ON]

0 V

6

(Y)

5

(B)

Front camera power supply

Output

[Ignition switch ON]

6.0 V

7

(Shield)

Front camera video ground

[Ignition switch ON]

0 V

8

(L)

7

(Shield)

Front camera video signal

Input

[Ignition switch ON]

  • CAMERA switch is ON or shift position is R position

9

(W)

Door mirror RH camera ground

[Ignition switch ON]

0 V

10

(R)

9

(W)

Door mirror RH camera power supply

Output

[Ignition switch ON]

6.0 V

11

(Shield)

Door mirror RH camera video ground

[Ignition switch ON]

0 V

12

(B)

11

(Shield)

Door mirror RH camera video signal

Input

[Ignition switch ON]

  • CAMERA switch is ON or shift position is R position

13

(R)

Door mirror LH camera ground

[Ignition switch ON]

0 V

14

(W)

13

(R)

Door mirror LH camera power supply

Output

[Ignition switch ON]

6.0 V

15

(Shield)

Door mirror LH camera video ground

[Ignition switch ON]

0 V

16

(B)

15

(Shield)

Door mirror LH camera video signal

Input

[Ignition switch ON]

  • CAMERA switch is ON or shift position is R position

17

(W)

Rear view camera ground

[Ignition switch ON]

0 V

18

(R)

17

(W)

Rear view camera power supply

Output

[Ignition switch ON]

6.0 V

19

(Shield)

Rear view camera video ground

[Ignition switch ON]

0 V

20

(B)

19

(Shield)

Rear view camera video signal

Input

[Ignition switch ON]

  • CAMERA switch is ON or shift position is R position

24

(LA/LG)

CAN-Low

Input/Output

26

(LA/GR)

CAN-High

Input/Output

28

(R)

Calibration connector (not used)

29

(BG)

Calibration connector (not used)

30

(P)

Calibration connector (not used)

39

(B)

Ground

[Ignition switch ON]

0 V

40

(LA/V)

39

(B)

Ignition signal

Input

[Ignition switch ON or START]

Battery voltage

Fail-Safe (around View Monitor Control Unit)

Fail-Safe (Around View Monitor Control Unit)

DTC Display contents of CONSULT

Fail-safe condition

B2A04-51: Calibration

  • Unmatched icon display (red) is displayed (applicable for unmatched camera only).

  • MOD (Moving Object Detection) function is stopped.

B2A05-55: Configuration

  • On applicable camera screen marking (Red) is displayed.

  • MOD (Moving Object Detection) function is stopped.

B2A0B-86: Nissan Sentra Vehicle speed sensor

  • The around view monitor screen does not disappear even when the Nissan Sentra vehicle speed exceeds 6.2 MPH (10 km/h).

  • MOD (Moving Object Detection) function is cancelled.

B2A1A-38: Rear camera

  • Camera image may not be displayed.

  • MOD (Moving Object Detection) function is stopped.

B2A1B-38: Side camera RH

B2A1C-38: Front camera

B2A1D-38: Side camera LH

C1A39–00: STRG SEN CIR

Predictive course line is not displayed.

U1010–00: CONTROL UNIT(CAN)

Intelligent around view monitor system is inoperative.

U1232–00: ST ANGLE SEN CALIB

Predictive course line is not displayed.

U2141-87: CAN comm err (TCM)

  • Rear/front view is black screen (Bird-eye/Side view is displayed).

  • Rear view is not displayed even if shift lever is in R position.

  • MOD (Moving Object Detection) function does not operate.

U2148-87: CAN comm err (brake control unit)

The screen does not disappear even when the Nissan Sentra vehicle speed is 6.2 MPH (10 km/h) or more.

MOD (Moving Object Detection) function does not operate.

U214F-87: CAN comm err (BCM)

  • Camera image is not displayed.

  • MOD (Moving Object Detection) function does not operate.

U2154-87: CAN comm err (MIU)

U215B-87: CAN comm err (IPDM E/R)

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

  • U1010–00: CONTROL UNIT(CAN)

  • U1232–00: ST ANGLE SEN CALIB

  • U2141-87: CAN comm err (TCM)

  • U2148-87: CAN comm err (brake control unit)

  • U214F-87: CAN comm err (BCM)

  • U2154-87: CAN comm err (MIU)

  • U215B-87: CAN comm err (IPDM E/R)

2

  • B2A04-51: Calibration

  • B2A05-55: Configuration

  • C1A39–00: STRG SEN CIR

3

  • B2A1A-38: Rear camera

  • B2A1B-38: Side camera RH

  • B2A1C-38: Front camera

  • B2A1D-38: Side camera LH

Dtc Index

DTC Index

DTC

CONSULT display

Refer to

B2A04–51

Calibration

DTC Description

B2A05–55

Configuration

DTC Description

B2A0B–86

Nissan Sentra Vehicle speed sensor

DTC Description

B2A1A–38

Rear camera

DTC Description

B2A1B–38

Side camera RH

DTC Description

B2A1C–38

Front camera

DTC Description

B2A1D–38

Side camera LH

DTC Description

C1A39–00

STRG SEN CIR

DTC Description

U1010–00

CONTROL UNIT(CAN)

DTC Description

U1232–00

ST ANGLE SEN CALIB

DTC Description

U2141–87

CAN comm err (TCM)

DTC Description

U2148–87

CAN comm err (brake control unit)

DTC Description

U214F–87

CAN comm err (BCM)

DTC Description

U2154–87

CAN comm err (MIU)

DTC Description

U215B–87

CAN comm err (IPDM E/R)

DTC Description

    Diagnosis System (around View Monitor Control Unit)
    Consult Function CONSULT Function CONSULT FUNCTIONS CONSULT performs the following functions via communication with the around view monitor control unit: Diagnosis Mode CGW Stat...

    Other materials:

    Cold weather driving
    Freeing a frozen door lock To help prevent the door locks of your Nissan Sentra from freezing in cold weather, apply a suitable de-icing agent directly into the keyhole. If a lock does become frozen, gently warm the mechanical key before inserting it into the keyhole. As an alternative, use t ...

    Precaution. Precautions
    Precautions Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner" Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, u ...

    The System Does Not Detect the Vehicle Ahead at All
    Diagnosis Procedure Diagnosis Procedure When AEB system is active, the AEB system does not perform any control even though there is a vehicle ahead. CHECK INFORMATION DISPLAY Start the “Self Diagnosis” of combination meter. Refer to De ...