Nissan Sentra B18 (2020-2025) Service Manual: Sample/wiring Diagram -Example-

1

Power supply

• This means the power supply of fusible link or fuse.

2

Fuse

• “/” means the fuse.

3

Current rating of fusible link/fuse

• This means the current rating of the fusible link or fuse.

4

Number of fusible link/fuse

• This means the number of fusible link or fuse location.

5

Fusible link

• “X” means the fusible link.

6

Connector number

• Alphabetic characters show to which harness the connector is placed.

• Numeric characters show the identification number of connectors.

7

Switch

• This shows that continuity exists between terminals 1 and 2 when the switch is in the A position. Continuity exists between terminals 1 and 3 when the switch is in the B position.

8

Circuit (Wiring)

• This means the wiring.

9

Shielded line

• The line enclosed by broken line circle shows shield wire.

10

Connectors

• This means that a transmission line bypasses two connectors or more.

11

Option abbreviation

• This means the Nissan Sentra vehicle specifications which lays out the circuit between “”.

12

Relay

• This shows an internal representation of the relay.

13

Optional splice

• The open circle shows that the splice is optional depending on Nissan Sentra vehicle application.

14

Splice

• The shaded circle “” means the splice.

15

System branch

• This shows that the circuit is branched to other systems.

16

Page crossing

• This circuit continues to an adjacent page.

17

Component name

• This shows the name of a component.

18

Terminal number

• This means the terminal number of a connector.

19

Ground (GND)

• This shows the ground connection.

20

Explanation of option description

• This shows an explanation of the option abbreviation used on the same page.