Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis Procedure
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CHECK FUSES
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Check that the following fuses are not blown:
Terminal No.
Signal name
Fuse No.
Capacity
7
Battery power supply
41
5 A
133
32
10 A
135
Battery power supply (door lock 1)
28
10 A
136
Battery power supply (turn signal lamp)
30
15 A
138
Battery power supply (rear wiper)
21
10 A
139
Battery power supply (stop lamp)
34
10 A
144
Battery power supply (door lock 2)
29
10 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
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-
Disconnect BCM connector.
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Check voltage between BCM harness connector and ground.
+
–
Voltage
(Approx.)
BCM
Connector
Terminal
M84
7
Ground
Battery voltage
M20
133
135
136
138
139
144
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Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair harness or connector.
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CHECK GROUND CIRCUIT
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Check continuity between BCM harness connector and ground.
BCM
Ground
Continuity
Connector
Terminal
M20
137
—
Yes
129
Is the inspection result normal?
YES>>Inspection End.
NO>>Repair harness or connector.
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Other materials:
Engine control system
Symptom Table
SYSTEM — BASIC ENGINE CONTROL SYSTEM
1 - 6: The numbers refer to the order of inspection.
(continued on next table)
SYSTEM — ENGINE MECHANICAL & OTHER
1 - 6: The numbers refer to the order of inspection. ...
P0741-00 Torque Converter
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection
conditi ...
Ambient Sensor Signal Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK AMBIENT SENSOR POWER
SUPPLY
Ignition switch OFF.
Disconnect ambient sensor harness
connector.
...
