Nissan Sentra B18 (2020-2025) Service Manual: Rear View Camera Image Signal Circuit

Nissan Sentra B18 (2020-2025) Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Rear View Monitor with 7" Color Display / Dtc/circuit Diagnosis / Rear View Camera Image Signal Circuit

Diagnosis Procedure

Diagnosis Procedure

CHECK CAMERA POWER SUPPLY CIRCUIT CONTINUITY

Ignition switch OFF.
Disconnect AV control unit connector and rear view camera connector.

Check continuity between AV control unit connector and rear view camera connector.

AV control unit		Rear view camera		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M93	39	B30	1	Yes

Check continuity between AV control unit connector and ground.

AV control unit		—	Continuity
Connector	Terminal	—	Continuity
M93	39	Ground	No

Is inspection result normal?

YES >>

GO TO 2.

NO >>

Repair or replace harness or connectors.

CHECK CAMERA POWER SUPPLY VOLTAGE

Connect AV control unit connector and rear view camera connector.
Ignition switch ON.
Shift the selector lever to R (reverse).

Check voltage between AV control unit connector and ground.

AV control unit	(−)	Condition	Voltage (Approx.)
M93	39	Ground	Selector lever is in “R”.	6.0 V

AV control unit

(−)

Condition

Voltage

(Approx.)

(+)

Connector

Terminal

M93

Ground

Selector lever is in “R”.

6.0 V

Is inspection result normal?

YES >>

GO TO 3.

NO >>

Replace AV control unit. Refer to Removal and Installation.

CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY

Ignition switch OFF.
Disconnect AV control unit connector and rear view camera connector.

Check continuity between AV control unit connector and rear view camera connector.

AV control unit		Rear view camera		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M93	40	B30	3	Yes

Check continuity between AV control unit connector and ground.

AV control unit		—	Continuity
Connector	Terminal	—	Continuity
M93	40	Ground	No

Is inspection result normal?

YES >>

GO TO 4.

NO >>

Repair or replace harness or connectors.

CHECK CAMERA GROUND CIRCUIT CONTINUITY

Check continuity between AV control unit connector and rear view camera connector.

AV control unit		Rear view camera		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M93	59	B30	2	Yes

Is inspection result normal?

YES >>

GO TO 5.

NO >>

Repair or replace harness or connectors.

CHECK CAMERA IMAGE SIGNAL

Connect AV control unit connector and rear view camera connector.
Ignition switch ON.
Shift the selector lever to R (reverse).

Check signal between AV control unit connector and ground.

AV control unit		(−)	Condition
(+)
Connector	Terminal
M93	40	Ground	Camera image displayed.

Is inspection result normal?

YES >>

Replace AV control unit. Refer to Removal and Installation.

NO >>

Replace rear view camera. Refer to Removal and Installation.

Power Supply and Ground Circuit

Av Control Unit Diagnosis Procedure Diagnosis Procedure CHECK FUSE Check that the following fuse is not blown: ...

Symptom Diagnosis

...

Other materials:

Seat Belt Warning Lamp System
System Description System Description SYSTEM DIAGRAM System Description The seat belt warning lamp (1) will remind the driver if the driver or front passenger seat belt should be buckled. The system works in conjunction with the occupant classification system. Refer to System ...

Using the system
The NISSAN Voice Recognition system allows hands-free operation of the Bluetooth® Phone System. If the vehicle is in motion, some commands may not be available so full attention may be given to vehicle operation. Initialization When the ignition switch is placed in the ON position, NISSAN ...

On board diagnosis function
ON BOARD DIAGNOSIS ITEM The on board diagnostic system has the following functions. Diagnostic test mode Function Bulb check MIL can be checked. SRT status ECM can read if SRT codes are set. Malfunction warning If ECM detects a malfunction, it illumina ...