Nissan Sentra B18 (2020-2025) Service Manual: Power Supply and Ground Circuit
Diagnosis Procedure
Diagnosis Procedure
-
CHECK FUSE
Check that the following fuse is not blown:
Signal name
Fuse No.
Ignition power supply
2 (10 A)
Is the fuse blown?
YES >>Replace the blown fuse after repairing the affected circuit.
NO >>GO TO 2.
-
CHECK ADAS CONTROL UNIT 2 POWER SUPPLY CIRCUIT
Check voltage between ADAS control unit 2 harness connector and ground.
Terminal
Condition
Voltage
(Approx.)
(+)
(–)
ADAS control unit 2
Ground
Ignition switch
Connector
Terminal
M148
16
OFF
0 V
ON
Battery voltage
Is the inspection result normal?
YES >>GO TO 3.
NO >>Repair the ADAS control unit 2 power supply circuit.
-
CHECK ADAS CONTROL UNIT 2 GROUND CIRCUIT
-
Turn the ignition switch OFF.
-
Disconnect the ADAS control unit 2 harness connector.
-
Check for continuity between ADAS control unit 2 harness connector and ground.
ADAS control unit 2
Ground
Continuity
Connector
Terminal
M148
2
Yes
Is the inspection result normal?
YES >>Inspection End.
NO >>Repair the ADAS control unit 2 ground circuit.
-
Other materials:
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Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection
...
Body Control System. Basic Inspection
Inspection and Adjustment
Additional Service When Replacing Control Unit (bcm)
Description
Description
CAUTION:
Be sure to perform the configuration saving and
writing or reregistration when replacing the BCM.
When replacing the BCM, a ...
Sonar System. Preparation. Preparation
Preparation
Special Service Tools
Special Service Tools
The actual shape of the tools may differ from
those illustrated here.
Tool number
(TechMate No.)
Tool name
D ...