Nissan Sentra B18 (2020-2025) Service Manual: Power Supply and Ground Circuit
Av Control Unit
Diagnosis Procedure
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CHECK FUSE
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Check that the following fuse is not blown:
Terminal No.
Signal name
Fuse No.
Capacity
19
Battery power supply
40
20 A
Is the fuse blown?
YES >>Replace the blown fuse after repairing the affected circuit.
NO >>GO TO 2.
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CHECK POWER SUPPLY CIRCUIT
-
-
Ignition switch OFF.
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Disconnect AV control unit connector.
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Check voltage between AV control unit connector and ground.
AV control unit
—
Voltage
(Approx.)
Connector
Terminal
M103
19
Ground
Battery voltage
-
Is the inspection result normal?
YES >>GO TO 3.
NO >>Repair or replace harness or connectors.
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-
CHECK GROUND CIRCUIT
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Check continuity between AV control unit connector and ground.
AV control unit
—
Continuity
Connector
Terminal
M103
20
Ground
Yes
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair or replace harness or connectors.
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Rear View Camera Image Signal Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK CAMERA POWER SUPPLY CIRCUIT
CONTINUITY
Ignition switch OFF.
...
Other materials:
Chime Does Not Sound
Diagnosis Procedure
Diagnosis Procedure
Symptom check: In the following conditions, the warning chime may
not sound even if the vehicle distance is short.
When the Nissan Sentra vehicles are traveling at the same speed and the
distance between vehicles is not changing. ...
Consult Data Link Connector (dlc) Circuit
CONSULT Data
Link Connector (DLC) Circuit
INSPECTION PROCEDURE
If the CONSULT cannot diagnose the system properly,
check the following items.
Symptom
Check item
...
B24a4-11 Intake Sensor
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
...
