Nissan Sentra B18 (2020-2025) Service Manual: Power Supply and Ground Circuit
Av Control Unit
Diagnosis Procedure
Diagnosis Procedure
-
CHECK FUSE
-
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.
-
-
CHECK POWER SUPPLY CIRCUIT
-
-
Ignition switch OFF.
-
Disconnect AV control unit connector.
-
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.
-
-
CHECK GROUND CIRCUIT
-
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.
-
Front Auxiliary Input Jacks Control Unit
Diagnosis Procedure
Diagnosis Procedure
-
CHECK FUSE
-
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.
-
-
CHECK POWER SUPPLY CIRCUIT
-
-
Ignition switch OFF.
-
Disconnect front auxiliary input jacks control unit connector.
-
Check voltage between front auxiliary input jacks control unit connector and ground.
Front auxiliary input jacks control unit
(−)
Voltage
(Approx.)
(+)
Connector
Terminal
M116
1
Ground
Battery voltage
-
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness or connectors.
-
-
CHECK GROUND CIRCUIT
-
Check continuity between front auxiliary input jacks control unit connector and ground.
Front auxiliary input jacks control unit
—
Continuity
Connector
Terminal
M116
4
Ground
Yes
Is the inspection result normal?
YES >>Inspection End.
NO >>Repair or replace harness or connectors.
-
Other materials:
Warning/Indicator lights (other)
For additional details about warning and indicator functions in the Nissan Sentra,
refer to the sections titled "Vehicle information display 4.2 inch (11 cm) Type
A" or "Vehicle information display 7 inch (18 cm) Type B", depending on the equipment
installed in your vehicle ...
Diagnosis System (intelligent Key). Intelligent Key
Intelligent Key
Consult Function (intelligent Key Unit)
CONSULT Function (INTELLIGENT KEY UNIT)
SELF DIAGNOSTIC RESULT
Refer to DTC Index.
DATA MONITOR
Note:
The following table includes information (items)
inapplicable to this Nissan Sentra vehicle. For information (items) appl ...
Instrument Panel. 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-T ...