Nissan Pathfinder (2011 year). Instruction — part 427

HOW TO READ WIRING DIAGRAMS

GI-9

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HOW TO READ WIRING DIAGRAMS

Connector symbols

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

• 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.

SAIA0257E

SGI363

2011 Pathfinder

GI-10

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HOW TO READ WIRING DIAGRAMS

Sample/wiring diagram -example-

INFOID:0000000006243347

• For detail, refer to following

GI-11, "Description"

.

JCAWA0005GB

2011 Pathfinder

HOW TO READ WIRING DIAGRAMS

GI-11

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Description

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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:

Number

Item

Description

1

Power supply

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

2

Fusible link

• “X” means the fusible link.

3

Number of fusible link/
fuse

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

4

Fuse

• “/” means the fuse.

5

Current rating of fus-
ible link/fuse

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

6

Optional splice

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

7

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-64, "Elec-

trical Units Location"

,

PG-39, "Harness Layout"

.

8

Splice

• The shaded circle “

” means the splice.

9

Page crossing

• This circuit continues to an adjacent page.

10

Option abbreviation

• This means the vehicle specifications which layouts the circuit between “ ”.

11

Relay

• This shows an internal representation of the relay.

12

Option description

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

13

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.

14

Circuit (Wiring)

• This means the wiring.

15

System branch

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

16

Shielded line

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

17

Component name

• This shows the name of a component.

18

Ground (GND)

• This shows the ground connection.

19

Connector

• This means the connector information.
• This unit-side is described by the connector symbols.

20

Connectors

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

21

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

22

Terminal number

• This means the terminal number of a connector.

2011 Pathfinder

GI-12

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HOW TO READ WIRING DIAGRAMS

• ignition switch is “OFF”,

• doors, hood and trunk lid/back door are closed,

• pedals are not depressed, and

• parking brake is released.

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.

SGI860

JSAIA0017GB

2011 Pathfinder

ABBREVIATIONS

GI-13

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ABBREVIATIONS

Abbreviation List

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The following

ABBREVIATIONS

are used:

ABBREVIATION

DESCRIPTION

A/C

Air Conditioner

A/T

Automatic Transaxle/Transmission

ATF

Automatic Transmission Fluid

AWD

All wheel drive

D

1

Drive range [First Gear (1GR)]

D

2

Drive range [Second Gear (2GR)]

D

3

Drive range [Third Gear (3GR)]

D

4

Drive range [Fourth Gear (4GR)]

FR, RR

Front, Rear

LH, RH

Left-Hand, Right-Hand

OD

Overdrive

P/S

Power Steering

SAE

Society of Automotive Engineers, Inc.

SDS

Service Data and Specifications

SST

Special Service Tools

2WD

2-Wheel Drive

4WD

4-Wheel Drive

1GR

First Gear

2GR

Second Gear

3GR

Third Gear

4GR

Fourth Gear

5GR

Fifth Gear

2

2

2nd range [Second Gear (2GR)]

2

1

2nd range [First Gear (1GR)]

1

2

1st range [Second Gear (2GR)]

1

1

1st range [First Gear (1GR)]

2011 Pathfinder

GI-14

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RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS

RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS

Recommended Chemical Products and Sealants

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Refer to the following chart for help in selecting the appropriate chemical product or sealant.

Product Description

Purpose

Nissan North America

Part No. (USA)

Nissan Canada Part

No. (Canada)

Aftermarket Cross-

reference Part Nos.

1

Rear View Mirror Adhe-
sive

Used to permanently re-
mount rear view mirrors to
windows.

999MP-AM000P

99998-50505

Permatex 81844

2

Anaerobic Liquid Gas-
ket

For metal-to-metal flange
sealing.
Can fill a 0.38 mm (0.015
inch) gap and provide in-
stant sealing for most pow-
ertrain applications.

999MP-AM001P

99998-50503

Permatex 51813 and
51817

3

High Performance
Thread Sealant

Provides instant sealing on
any threaded straight or
parallel threaded fitting.
(Thread sealant only, no
locking ability.)
• Do not use on plastic.

999MP-AM002P

999MP-AM002P

Permatex 56521

4

Silicone RTV

Gasket Maker

999MP-AM003P
(Ultra Grey)

99998-50506
(Ultra Grey)

Permatex Ultra Grey
82194;
Three Bond
1207,1215, 1216,
1217F, 1217G and
1217H
Nissan RTV Part No.
999MP-A7007

Gasket Maker for Maxima/
Quest 5-speed automatic
transmission
(RE5F22A)

–

–

Three Bond 1281B
or exact equivalent in
its quality

5

High Temperature,
High Strength Thread
Locking Sealant (Red)

Threadlocker

999MP-AM004P

999MP-AM004P

Permatex 27200;
Three Bond 1360,
1360N, 1305 N&P,
1307N, 1335,
1335B, 1363B,
1377C, 1386B, D&E
and 1388
Loctite 648

6

Medium Strength
Thread Locking Seal-
ant (Blue)

Threadlocker (service tool
removable)

999MP-AM005P

999MP-AM005P

Permatex 24200,
24206, 24240,
24283 and 09178;
Three Bond 1322,
1322N, 1324 D&N,
1333D, 1361C,
1364D, 1370C and
1374

2011 Pathfinder

TERMINOLOGY

GI-15

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TERMINOLOGY

ISO 15031-2 Terminology List

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All emission related terms used in this publication in accordance with ISO 15031-2 are listed. Accordingly, new

terms, new acronyms/abbreviations and old terms are listed in the following chart.

NEW TERM

NEW ACRONYM /

ABBREVIATION

OLD TERM

Air cleaner

ACL

Air cleaner

Barometric pressure

BARO

***

Barometric pressure sensor-BCDD

BAROS-BCDD

BCDD

Camshaft position

CMP

***

Camshaft position sensor

CMPS

Crank angle sensor

Canister

***

Canister

Carburetor

CARB

Carburetor

Charge air cooler

CAC

Intercooler

Closed loop

CL

Closed loop

Closed throttle position switch

CTP switch

Idle switch

Clutch pedal position switch

CPP switch

Clutch switch

Continuous fuel injection system

CFI system

***

Continuous trap oxidizer system

CTOX system

***

Crankshaft position

CKP

***

Crankshaft position sensor

CKPS

***

Data link connector

DLC

***

Data link connector for CONSULT-III

DLC for CONSULT-III

Diagnostic connector for CONSULT-III

Diagnostic test mode

DTM

Diagnostic mode

Diagnostic test mode selector

DTM selector

Diagnostic mode selector

Diagnostic test mode I

DTM I

Mode I

Diagnostic test mode II

DTM II

Mode II

Diagnostic trouble code

DTC

Malfunction code

Direct fuel injection system

DFI system

***

Distributor ignition system

DI system

Ignition timing control

Early fuel evaporation-mixture heater

EFE-mixture heater

Mixture heater

Early fuel evaporation system

EFE system

Mixture heater control

Electrically erasable programmable read
only memory

EEPROM

***

Electronic ignition system

EI system

Ignition timing control

Engine control

EC

***

Engine control module

ECM

ECCS control unit

Engine coolant temperature

ECT

Engine temperature

Engine coolant temperature sensor

ECTS

Engine temperature sensor

Engine modification

EM

***

Engine speed

RPM

Engine speed

Erasable programmable read only memory EPROM

***

Evaporative emission canister

EVAP canister

Canister

Evaporative emission system

EVAP system

Canister control solenoid valve

Exhaust gas recirculation valve

EGR valve

EGR valve

2011 Pathfinder

GI-16

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TERMINOLOGY

Exhaust gas recirculation control-BPT
valve

EGRC-BPT valve

BPT valve

Exhaust gas recirculation control-solenoid
valve

EGRC-solenoid valve

EGR control solenoid valve

Exhaust gas recirculation temperature sen-
sor

EGRT sensor

Exhaust gas temperature sensor

EGR temperature sensor

Flash electrically erasable programmable
read only memory

FEEPROM

***

Flash erasable programmable read only
memory

FEPROM

***

Flexible fuel sensor

FFS

***

Flexible fuel system

FF system

***

Fuel pressure regulator

***

Pressure regulator

Fuel pressure regulator control solenoid
valve

***

PRVR control solenoid valve

Fuel trim

FT

***

Heated Oxygen sensor

HO2S

Exhaust gas sensor

Idle air control system

IAC system

Idle speed control

Idle air control valve-air regulator

IACV-air regulator

Air regulator

Idle air control valve-auxiliary air control
valve

IACV-AAC valve

Auxiliary air control (AAC) valve

Idle air control valve-FICD solenoid valve

IACV-FICD solenoid valve

FICD solenoid valve

Idle air control valve-idle up control sole-
noid valve

IACV-idle up control solenoid valve

Idle up control solenoid valve

Idle speed control-FI pot

ISC-FI pot

FI pot

Idle speed control system

ISC system

***

Ignition control

IC

***

Ignition control module

ICM

***

Indirect fuel injection system

IFI system

***

Intake air

IA

Air

Intake air temperature sensor

IAT sensor

Air temperature sensor

Knock

***

Detonation

Knock sensor

KS

Detonation sensor

Malfunction indicator lamp

MIL

Check engine light

Manifold absolute pressure

MAP

***

Manifold absolute pressure sensor

MAPS

***

Manifold differential pressure

MDP

***

Manifold differential pressure sensor

MDPS

***

Manifold surface temperature

MST

***

Manifold surface temperature sensor

MSTS

***

Manifold vacuum zone

MVZ

***

Manifold vacuum zone sensor

MVZS

***

Mass air flow sensor

MAFS

Air flow meter

Mixture control solenoid valve

MC solenoid valve

Air-fuel ratio control solenoid valve

Multiport fuel injection System

MFI system

Fuel injection control

NEW TERM

NEW ACRONYM /

ABBREVIATION

OLD TERM

2011 Pathfinder