Nissan Pathfinder (2008 year). Manual — part 415

GI-8

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How to Read Wiring Diagram

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CONNECTOR SYMBOLS

Most of connector symbols in wiring diagrams are shown from the terminal side.

SAIA0751E

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• Connector symbols shown from the terminal side are enclosed by

a single line and followed by the direction mark.

• Connector symbols shown from the harness side are enclosed by

a double line and followed by the direction mark.

• Certain systems and components, especially those related to

OBD, may use a new style slide-locking type harness connector.
For description and how to disconnect, refer to PG section,
“Description”, “HARNESS CONNECTOR”.

• Male and female terminals

Connector guides for male terminals are shown in black and
female terminals in white in wiring diagrams.

SAMPLE/WIRING DIAGRAM - EXAMPL -

SAIA0257E

SGI363

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• For detail, refer to following “DESCRIPTION”.

SGI091A

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Optional Splice

DESCRIPTION

SGI942

Num-

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Item

Description

1

Power condition

• This shows the condition when the system receives battery positive voltage (can be operated).

2

Fusible link

• The double line shows that this is a fusible link.
• The open circle shows current flow in, and the shaded circle shows current flow out.

3

Fusible link/fuse loca-
tion

• This shows the location of the fusible link or fuse in the fusible link or fuse box. For arrange-

ment, refer to PG section, POWER SUPPLY ROUTING.

4

Fuse

• The single line shows that this is a fuse.
• The open circle shows current flow in, and the shaded circle shows current flow out.

5

Current rating

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

6

Connectors

• This shows that connector E3 is female and connector M1 is male.
• The G/R wire is located in the 1A terminal of both connectors.
• Terminal number with an alphabet (1A, 5B, etc.) indicates that the connector is SMJ connector.

Refer to PG section, SMJ (SUPER MULTIPLE JUNCTION).

7

Optional splice

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

8

Splice

• The shaded circle shows that the splice is always on the vehicle.

9

Page crossing

• This arrow shows that the circuit continues to an adjacent page.
• The A will match with the A on the preceding or next page.

10

Common connector

• The dotted lines between terminals show that these terminals are part of the same connector.

11

Option abbreviation

• This shows that the circuit is optional depending on vehicle application.

12

Relay

• This shows an internal representation of the relay. For details, refer to PG section, STAN-

DARDIZED RELAY.

13

Connectors

• This shows that the connector is connected to the body or a terminal with bolt or nut.

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Harness Indication

14

Wire color

• This shows a code for the color of the wire.

B = Black
W = White
R = Red
G = Green
L = Blue
Y = Yellow
LG = Light Green

BR = Brown
OR or O = Orange
P = Pink
PU or V (Violet) = Purple
GY or GR = Gray
SB = Sky Blue
CH = Dark Brown
DG = Dark Green

When the wire color is striped, the base color is given first, followed by the stripe color as shown
below:
Example: L/W = Blue with White Stripe

15

Option description

• This shows a description of the option abbreviation used on the page.

16

Switch

• This shows that continuity exists between terminals 1 and 2 when the switch is in the A posi-

tion. Continuity exists between terminals 1 and 3 when the switch is in the B position.

17

Assembly parts

• Connector terminal in component shows that it is a harness incorporated assembly.

18

Cell code

• This identifies each page of the wiring diagram by section, system and wiring diagram page

number.

19

Current flow arrow

• Arrow indicates electric current flow, especially where the direction of standard flow (vertically

downward or horizontally from left to right) is difficult to follow.

• A double arrow “

” shows that current can flow in either direction depending on circuit

operation.

20

System branch

• This shows that the system branches to another system identified by cell code (section and

system).

21

Page crossing

• This arrow shows that the circuit continues to another page identified by cell code.
• The C will match with the C on another page within the system other than the next or preceding

pages.

22

Shielded line

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

23

Component box in
wave line

• This shows that another part of the component is also shown on another page (indicated by

wave line) within the system.

24

Component name

• This shows the name of a component.

25

Connector number

• This shows the connector number.
• The letter shows which harness the connector is located in.
• Example: M: main harness. For detail and to locate the connector, refer to PG section "Main

Harness", “Harness Layout”. A coordinate grid is included for complex harnesses to aid in lo-
cating connectors.

26

Ground (GND)

• The line spliced and grounded under wire color shows that ground line is spliced at the ground-

ed connector.

27

Ground (GND)

• This shows the ground connection. For detailed ground distribution information, refer to

"Ground Distribution" in PG section.

28

Connector views

• This area shows the connector faces of the components in the wiring diagram on the page.

29

Common component

• Connectors enclosed in broken line show that these connectors belong to the same compo-

nent.

30

Connector color

• This shows a code for the color of the connector. For code meaning, refer to wire color codes,

Number 14 of this chart.

31

Fusible link and fuse
box

• This shows the arrangement of fusible link(s) and fuse(s), used for connector views of "POW-

ER SUPPLY ROUTING" in PG section.
The open square shows current flow in, and the shaded square shows current flow out.

32

Reference area

• This shows that more information on the Super Multiple Junction (SMJ) and Joint Connectors

(J/C) exists on the PG section. Refer to "Reference Area" for details.

Num-

ber

Item

Description

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• Letter designations next to test meter probe indicate harness (con-

nector) wire color.

• Connector numbers in a single circle M33 indicate harness con-

nectors.

Component Indication

Connector numbers in a double circle F211 indicate component connectors.

Switch Positions

Switches are shown in wiring diagrams as if the vehicle is in the “normal” condition.
A vehicle is in the “normal” condition when:
• ignition switch is “OFF”,
• doors, hood and trunk lid/back door are closed,
• pedals are not depressed, and
• parking brake is released.

Detectable Lines and Non-Detectable Lines

In some wiring diagrams, two kinds of lines, representing wires, with different weight are used.

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• A line with regular weight (wider line) represents a “detectable line

for DTC (Diagnostic Trouble Code)”. A “detectable line for DTC” is
a circuit in which ECM can detect its malfunctions with the on
board diagnostic system.

• A line with less weight (thinner line) represents a “non-detectable

line for DTC”. A “non-detectable line for DTC” is a circuit in which
ECM cannot detect its malfunctions with the on board diagnostic
system.

Multiple Switch

The continuity of multiple switch is described in two ways as shown below.
• The switch chart is used in schematic diagrams.
• The switch diagram is used in wiring diagrams.

Reference Area

SGI862-B

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The Reference Area of the wiring diagram contains references to additional electrical reference pages at the
end of the manual. If connector numbers and titles are shown in the Reference Area of the wiring diagram,
these connector symbols are not shown in the Connector Area.

Abbreviations

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The following ABBREVIATIONS are used:

SGI092A

ABBREVIATION

DESCRIPTION

A/C

Air Conditioner

A/T

Automatic Transaxle/Transmission

ATF

Automatic Transmission Fluid

D

1

Drive range 1st gear

D

2

Drive range 2nd gear

D

3

Drive range 3rd gear

D

4

Drive range 4th gear

FR, RR

Front, Rear