and/or damage to some part of the vehicle.
WARNING indicates the possibility of personal injury if instructions are not followed.
CAUTION indicates the possibility of component damage if instructions are not followed.
BOLD TYPED STATEMENTS except WARNING and CAUTION give you helpful information.
Standard value: Tolerance at inspection and adjustment.
Limit value: The maximum or minimum limit value that should not be exceeded at inspection and adjust-
ment.

Units

INFOID:0000000009161466

• The UNITS given in this manual are primarily expressed as the SI UNIT (International System of Unit), and

alternatively expressed in the metric system and in the yard/pound system.
Also with regard to tightening torque of bolts and nuts, there are descriptions both about range and about the
standard tightening torque.

“Example”
Range

Standard

Contents

INFOID:0000000009161467

• A QUICK REFERENCE INDEX, a black tab (e.g.

) is provided on the first page. You can quickly find the

first page of each section by matching it to the section's black tab.

• THE CONTENTS are listed on the first page of each section.
• THE TITLE is indicated on the upper portion of each page and shows the part or system.
• THE PAGE NUMBER of each section consists of two or three letters which designate the particular section

and a number (e.g. “BR-5”).

• THE SMALL ILLUSTRATIONS show the important steps such as inspection, use of special tools, knacks of

work and hidden or tricky steps which are not shown in the previous large illustrations.
Assembly, inspection and adjustment procedures for the complicated units such as the automatic transaxle
or transmission, etc. are presented in a step-by-step format where necessary.

Outer Socket Lock Nut

: 59 - 78 N·m (6.0 - 8.0 kg-m, 43 - 58 ft-lb)

Drive Shaft Installation Bolt

: 44.3 N·m (4.5 kg-m, 33 ft-lb)

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GI-4

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HOW TO USE THIS MANUAL

Relation between Illustrations and Descriptions

INFOID:0000000009161468

The following sample explains the relationship between the part description in an illustration, the part name in
the text and the service procedures.

Components

INFOID:0000000009161469

• THE LARGE ILLUSTRATIONS are exploded views (see the following) and contain tightening torques, lubri-

cation points, section number of the PARTS CATALOG (e.g. SEC. 440) and other information necessary to
perform repairs.
The illustrations should be used in reference to service matters only. When ordering parts, refer to the appro-
priate PARTS CATALOG.
Components shown in an illustration may be identified by a circled number. When this style of illustration is
used, the text description of the components will follow the illustration.

SAIA0519E

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HOW TO USE THIS MANUAL

GI-5

< HOW TO USE THIS MANUAL >

SYMBOLS

Union bolt

Copper washer

Brake hose

Cap

Bleed valve

Sliding pin bolt

Piston seal

Piston

Piston boot

10.

Cylinder body

11.

Sliding pin

12.

Torque member mounting bolt

13.

Washer

14.

Sliding pin boot

15.

Bushing

16.

Torque member

17.

Inner shim cover

18.

Inner shim

19.

Inner pad

20.

Pad retainer

21.

Pad wear sensor

22.

Outer pad

23.

Outer shim

24.

Outer shim cover

1: PBC (Poly Butyl Cuprysil) grease
or silicone-based grease

2: Rubber grease

: Brake fluid

Refer to GI section for additional symbol definitions.

SFIA2959E

SAIA0749E

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GI-6

< HOW TO USE THIS MANUAL >

HOW TO FOLLOW TROUBLE DIAGNOSES

HOW TO FOLLOW TROUBLE DIAGNOSES

Description

INFOID:0000000009161470

NOTICE:
Trouble diagnoses indicate work procedures required to diagnose problems effectively. Observe the following
instructions before diagnosing.
• Before performing trouble diagnoses, read the “Work Flow” in each section.
• After repairs, re-check that the problem has been completely eliminated.
• Refer to Component Parts and Harness Connector Location for the Systems described in each section for

identification/location of components and harness connectors.

• When checking circuit continuity, ignition switch should be OFF.
• Refer to the Circuit Diagram for quick pinpoint check.

If you need to check circuit continuity between harness connectors in more detail, such as when a sub-har-
ness is used, refer to Wiring Diagram in each individual section and Harness Layout in PG section for identi-
fication of harness connectors.

• Before checking voltage at connectors, check battery voltage.
• After accomplishing the Diagnosis Procedures and Electrical Components Inspection, check that all harness

connectors are reconnected as they were.

How to Follow Test Groups in Trouble Diagnosis

INFOID:0000000009161471

Test group number and test group title
• Test group number and test group title are shown in the upper portion of each test group.

Work and diagnosis procedure
• Start to diagnose a problem using procedures indicated in enclosed test groups.

Questions and results
• Questions and required results are indicated in test group.

Action
• Next action for each test group is indicated based on result of each question.

JPAIA0021GB

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HOW TO FOLLOW TROUBLE DIAGNOSES

GI-7

< HOW TO USE THIS MANUAL >

Key to Symbols Signifying Measurements or Procedures

INFOID:0000000009161472

JPAIA0982GB

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GI-8

< HOW TO USE THIS MANUAL >

HOW TO FOLLOW TROUBLE DIAGNOSES

JSAIA1461GB

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2014 GT-R

HOW TO READ WIRING DIAGRAMS

GI-9

< HOW TO USE THIS MANUAL >

HOW TO READ WIRING DIAGRAMS

Connector Symbols

INFOID:0000000009161473

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

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GI-10

< HOW TO USE THIS MANUAL >

HOW TO READ WIRING DIAGRAMS

Sample/Wiring Diagram -Example-

INFOID:0000000009161474

Each section includes wiring diagrams.

Description

JCAWA0150GB

Number

Item

Description

Power supply

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

Fuse

• “/” means the fuse.

Current rating of fusible
link/fuse

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

Number of fusible link/
fuse

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

Fusible link

• “X” means the fusible link.

Connector number

• Alphabetic characters show to which harness the connector is placed.
• Numeric characters show the identification number of connectors.

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.

Circuit (Wiring)

• This means the wiring.

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HOW TO READ WIRING DIAGRAMS

GI-11

< HOW TO USE THIS MANUAL >

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
• 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.

Shielded line

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

Connectors

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

Option abbreviation

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

”.

Relay

• This shows an internal representation of the relay.

Optional splice

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

Splice

• The shaded circle “

” means the splice.

System branch

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

Page crossing

• This circuit continues to an adjacent page.

Component name

• This shows the name of a component.

Terminal number

• This means the terminal number of a connector.

Ground (GND)

• This shows the ground connection.

Explation of option de-
scription

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

Number

Item

Description

SGI860

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GI-12

< HOW TO USE THIS MANUAL >

HOW TO READ WIRING DIAGRAMS

• The switch diagram is used in wiring diagrams.

Connector Information

INFOID:0000000009161475

CONNECTOR LIST

Connector information and harness layout are described in “POWER SUPPLY, GROUND & CIRCUIT ELE-
MENTS” Section.

JSAIA0017GB

Connector No.

Harness

Connector Information

Harness Layout

Body harness

PG-41, "B Body Harness"

PG-35, "Body Harness"

Door harness

PG-55, "D Door Harness"

PG-37, "Door Harness"

Engine room harness

PG-59, "E Engine Room Harness"

PG-30, "Engine Room Harness"

Engine control harness

PG-68, "F Engine Control Harness"

PG-32, "Engine Control Harness"

Main harness

PG-74, "M Main Harness"

PG-34, "Main Harness"

Room lamp harness

PG-88, "R Room Lamp Harness"

PG-39, "Room Lamp Harness"

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HOW TO READ WIRING DIAGRAMS

GI-13

< HOW TO USE THIS MANUAL >

HOW TO USE CONNECTOR INFORMATION

Description

Number

Item

Description

Connector number

• Alphabetic characters show to which harness the connector is placed.
• Numeric characters show the identification number of connectors.

Connector type

• This means the connector number. Refer to

PG-40, "How to Read Connector Type"

Terminal number

• This means the terminal number of a connector.

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
BG = Beige

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

Connector

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

JCAWA0152GB

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GI-14

< HOW TO USE THIS MANUAL >

ABBREVIATIONS

ABBREVIATIONS

Abbreviation List

INFOID:0000000009161476

The following ABBREVIATIONS are used:

ABBREVIATION

DESCRIPTION

A/C

Air Conditioner

A/T

Automatic Transaxle/Transmission

ATF

Automatic Transmission Fluid

Drive range first gear

Drive range second gear

Drive range third gear

Drive range fourth gear

FR, RR

Front, Rear

LH, RH

Left-Hand, Right-Hand

M/T

Manual Transaxle/Transmission

Overdrive

P/S

Power Steering

SAE

Society of Automotive Engineers, Inc.

SDS

Service Data and Specifications

SST

Special Service Tools

2WD

2-Wheel Drive

2nd range second gear

2nd range first gear

1st range second gear

1st range first gear

Revision: 2012 November

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TIGHTENING TORQUE OF STANDARD BOLTS

GI-15

< HOW TO USE THIS MANUAL >

TIGHTENING TORQUE OF STANDARD BOLTS

Description

INFOID:0000000009161477

This vehicle has both new standard based on ISO* and previous standard bolts/nuts. There are some differ-
ences between these two types of bolts/nuts: shape of the head, grade of strength, hexagonal width across
flats and the standard tightening torque.
• For guidance in discriminating, refer to

GI-15, "Tightening Torque Table (New Standard Included)"

• The new standard machine screws and tapping screws have a head of ISO standard torx recess.
• If the tightening torque is not described in the description or figure, refer to

GI-15, "Tightening Torque Table

(New Standard Included)"

*ISO: International Organization for Standardization

Tightening Torque Table (New Standard Included)

INFOID:0000000009161478

CAUTION:

• The special parts are excluded.
• The bolts/nuts in these tables have a strength (discrimination) number/symbol assigned to the head

or the like. As to the relation between the strength grade in these tables and the strength (discrimi-
nation) number/symbol, refer to “DISCRIMINATION OF BOLTS AND NUTS”.

PREVIOUS STANDARD

CAUTION:

Grade

(Strength

grade)

Bolt
size

Bolt di-
ameter

Hexagonal

width

across flats

Pitch

Tightening torque (Without lubricant)

Hexagon head bolt

Hexagon flange bolt

N·m

kg-m

ft-lb

in-lb

N·m

kg-m

ft-lb

in-lb

6.0

1.0

5.5

0.56

0.71

8.0

1.25

13.5

1.4

—

1.7

—

1.0

13.5

1.4

—

1.7

—

M10

10.0

1.5

2.9

—

3.6

—

1.25

2.9

—

3.6

—

M12

12.0

1.75

4.6

—

5.6

—

1.25

4.6

—

6.6

—

M14

14.0

1.5

8.2

—

100

—

6.0

1.0

0.92

1.1

8.0

1.25

2.2

—

2.9

—

1.0

2.2

—

2.9

—

M10

10.0

1.5

4.6

—

5.6

—

1.25

4.6

—

5.6

—

M12

12.0

1.75

8.2

—

100

—

1.25

8.2

—

100

—

M14

14.0

1.5

130

—

170

125

—

6.0

1.0

1.1

—

13.5

1.4

—

M8 8.0

1.25

2.9

—

3.6

—

1.0

2.9

—

3.6

—

M10

10.0

1.5

5.6

—

8.2

—

1.25

5.6

—

8.2

—

M12

12.0

1.75

100

—

130

—

1.25

100

—

130

—

M14

14.0

1.5

170

125

—

210

155

—

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GI-16

< HOW TO USE THIS MANUAL >

TIGHTENING TORQUE OF STANDARD BOLTS

The parts with aluminum or the cast iron washer surface/thread surface are excluded.

NEW STANDARD BASED ON ISO

CAUTION:

Use tightening torque with lubricant for the new standard bolts/nuts in principle. Friction coeffi-
cient stabilizer is applied to the new standard bolts/nuts.

However, use tightening torque without lubricant for the following cases. Friction coefficient stabi-
lizer is not applied to the following bolts/nuts.

Grade 4.8, M6 size bolt, Conical spring washer installed

Paint removing nut (Size M6 and M8) for fixing with weld bolt

Grade

(Strength

grade)

Bolt
size

Bolt di-
ameter

Hexagonal

width

across flats

Pitch

Tightening torque

Hexagon head bolt

Hexagon flange bolt

N·m

kg-m

ft-lb

in-lb

N·m

kg-m

ft-lb

in-lb

4.8
(Without
lubricant)

6.0

1.0

5.5

0.56

0.71

8.0

1.25

13.5

1.4

—

1.7

—

1.0

13.5

1.4

—

1.7

—

M10

10.0

1.5

2.9

—

3.6

—

1.25

2.9

—

3.6

—

M12

12.0

1.75

4.6

—

5.6

—

1.25

4.6

—

6.6

—

M14

14.0

1.5

8.2

—

100

—

4.8
(With lu-
bricant)

6.0

1.0

0.41

5.5

0.56

8.0

1.25

1.1

—

13.5

1.4

—

1.0

1.1

—

13.5

1.4

—

M10

10.0

1.5

2.2

—

2.9

—

1.25

2.2

—

2.9

—

M12

12.0

1.75

3.6

—

4.6

—

1.25

3.6

—

4.6

—

M14

14.0

1.5

6.6

—

8.2

—

8.8
(With lu-
bricant)

6.0

1.0

0.82

1.0

8.0

1.25

2.1

—

2.6

—

1.0

2.1

—

2.6

—

M10

10.0

1.5

4.1

—

5.1

—

1.25

4.1

—

5.1

—

M12

12.0

1.75

7.1

—

8.7

—

1.25

7.1

—

8.7

—

M14

14.0

1.5

120

—

140

103

—

10.9
(With lu-
bricant)

6.0

1.0

1.2

106

8.0

1.25

2.8

—

3.3

—

1.0

2.8

—

3.3

—

M10

10.0

1.5

5.6

—

6.6

—

1.25

5.6

—

6.6

—

M12

12.0

1.75

9.7

—

110

—

1.25

9.7

—

110

—

M14

14.0

1.5

160

118

—

180

133

—

Revision: 2012 November

2014 GT-R

Content .. 1 2 ..

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