Nissan Sentra B18 (2020-2025) Service Manual: Power Supply and Ground Circuit. Diagnosis Procedure
Diagnosis Procedure
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.
-
-
CHECK POWER SUPPLY CIRCUIT
-
-
Disconnect BCM connector.
-
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
-
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair harness or connector.
-
-
CHECK GROUND CIRCUIT
-
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.
-
Other materials:
Rear Air Spoiler
Exploded View
Exploded View
1.
Trunk lid
2.
Rear air spoiler
3.
Double ...
Power Outlet. Preparation. Preparation. Special Service Tool
Preparation. Special Service Tool
Special Service Tool
Special Service Tool
The actual shape of the tools may differ from those
illustrated here.
Tool number
(TechMate No.)
Tool name
&nb ...
Preparation. Preparation
Preparation
Special Service Tool
Special Service Tool
The actual shape of the tools may differ from those
illustrated here.
Tool number
(TechMate No.)
Tool name
...