Nissan Sentra B18 (2020-2025) Service Manual: Power Supply and Ground Circuit
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:
Removal and installation
Ecm
Exploded View
ECM bracket
ECM
Engine mounting insulator bracket
Removal and Installation
CAUTION:
Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to EC-135, "Work
Procedure".
REMOVAL
Remove battery. Refer to PG-50, "Removal and Installation (Battery)& ...
Brake Pedal Vibration or Operation Sound Occurs
Diagnosis Procedure
Diagnosis Procedure
Brake pedal vibrates and motor sound from ABS
actuator and electric unit (control unit) occurs when the engine
starts.
Brake pedal vibrates during braking.
CAUTION:
Vibration may be felt when br ...
Removal and Installation
Removal and Installation
REMOVAL
Warning:
Before servicing the SRS, place the ignition
switch in the OFF position, disconnect both battery terminals then
wait at least three minutes.
Do not use air tools or electric tools for
...
