Nissan Sentra B18 (2020-2025) Service Manual: Power Supply and Ground Circuit. Diagnosis Procedure
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
12
Ignition power supply
49
10 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 sonar control unit connector.
-
Check voltage between sonar control unit connector and ground.
(+)
(–)
Condition
Voltage
(Approx.)
Sonar control unit
Connector
Terminal
B87
12
Ground
Ignition switch: ON
Battery voltage
-
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness or connectors.
-
-
CHECK GROUND CIRCUIT
-
-
Ignition switch OFF.
-
Check continuity between sonar control unit connector and ground.
Sonar control unit
—
Continuity
Connector
Terminal
B87
15
Ground
Yes
-
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair or replace harness or connectors.
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Other materials:
Removal and installation
Combination meter
Exploded view
Combination meter
Front cover
Removal and installation
Removal
Remove cluster lid a. Refer to ip-19, "removal and installation".
Remove the screws from the combination meter.
Remove the combination meter.
Disconnect the comb ...
Servicing air conditioner (if so equipped)
The air conditioner system in your NISSAN vehicle
is charged with a refrigerant designed with
the environment in mind.
This refrigerant does not harm the earth’s
ozone layer.
Special charging equipment and lubricant is required
when servicing your NISSAN air conditioner.
Using improper re ...
Bcm
Consult Function (bcm - Bcm)
CONSULT Function
(BCM - BCM)
DATA MONITOR
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.
...