Nissan Sentra B18 (2020-2025) Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Display Audio with Bose with 8" Color Display / Dtc/circuit Diagnosis / B133a Avm Connection

Nissan Sentra B18 (2020-2025) Service Manual: B133a Avm Connection

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
B133A-8F	AVM connection (CAN communication error)	Diagnosis condition	When ignition switch is ON.
		Signal (terminal)	Camera image signal circuit (terminal 52)
		Threshold	—
		Diagnosis delay time	—

POSSIBLE CAUSE

Camera image signal circuit
Around view monitor control unit
AV control unit

FAIL-SAFE

Camera image is not displayed

Dtc Confirmation Procedure

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE
1. CONSULT
  1. Ignition switch ON.
  2. Ignition switch OFF and wait at least 30 seconds.
  3. Ignition switch ON and wait at least 30 seconds or more.
  4. Select “Self Diagnostic Result” mode of “MULTI AV”.
  5. Check DTC.
Is DTC B133A–8F detected?
YES>>
Refer to DTC Diagnosis Procedure.
NO>>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>
Confirmation after repair: Inspection End.

Diagnosis Procedure

Diagnosis Procedure

CHECK CAMERA IMAGE SIGNAL CIRCUIT FOR OPEN

Ignition switch OFF.
Disconnect AV control unit connector and around view monitor control unit connector.

Check the continuity between AV control unit connector and around view monitor control unit connector.

AV control unit		Around view monitor control unit		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M104	52	B72	4	Yes

Is the inspection result normal?

YES >>

GO TO 2.

NO >>

Repair harness or connector.

CHECK CAMERA IMAGE SIGNAL CIRCUIT FOR SHORT

Check the continuity between AV control unit connector and ground.

AV control unit		−	Continuity
Connector	Terminal	−	Continuity
M104	52	Ground	No

Is the inspection result normal?

YES >>

GO TO 3.

NO >>

Repair harness or connector.

CHECK CAMERA IMAGE SIGNAL

Connect AV control unit connector and around view monitor control unit connector.
Ignition switch ON.
Shift the selector lever to “R” position

Check the signal between AV control unit connector and ground.

AV control unit		(-)	Condition
(+)
Connector	Terminal
M104	52	Ground	Camera image is displayed

Is the inspection result normal?

YES >>

Replace AV control unit. Refer to Removal and Installation.

NO >>

Replace around view monitor control unit. Refer to Removal and Installation.

 B132a External Usb

Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition B132A–13 External USB (USB) [OPEN] Diagnos...

 B1341 Head Unit

Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition B1341–16 Head unit (AV control unit) [VB�...

Other materials:

Steering wheel
WARNING Do not adjust the steering wheel while driving. Doing so may cause you to lose control of your Nissan Sentra and could result in an accident. Do not position the steering wheel closer to you than necessary for proper steering control and driving comfort. The driver’s air bag ...

Ambient Sensor Signal Circuit
Diagnosis Procedure Diagnosis Procedure CHECK AMBIENT SENSOR POWER SUPPLY Ignition switch OFF. Disconnect ambient sensor harness connector. ...

Air Cleaner and Air Duct
Exploded View Exploded View 1. Mass air flow sensor 2. Resonator duct 3. ...