2010 Toyota Camry Wiring Diagrams Download

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Camry Electrical Wiring Diagram

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Total OBD & ECU Auto Diagnostics

Section Code

ELECTRICAL WIRING ROUTING G. . .

OVERALL ELECTRICAL WIRING DIAGRAM . M . . .

Page

This manual consists of the following 13 sections:

No.

Section

A

INDEX

Index of the contents of this manual.

INTRODUCTION

Brief explanation of each section.

B

HOW TO USE THIS MANUAL

Instructions on how to use this manual.

C

TROUBLESHOOTING

Describes the basic inspection procedures for electrical circuits.

D

ABBREVIATIONS

Defines the abbreviations used in this manual.

E

GLOSSARY OF TERMS AND SYMBOLS

Defines the symbols and functions of major parts.

F

RELAY LOCATIONS

Shows position of the Electronic Control Unit, Relays, Relay Block, etc. This section is closely related to the system circuit.

G

ELECTRICAL WIRING ROUTING

Describes position of Parts Connectors, Splice points, Ground points, etc. This section is closely related to the system circuit.

H

INDEX

Index of the system circuits.

SYSTEM CIRCUITS

Electrical circuits of each system are shown from the power supply through ground points. Wiring connections and their positions are shown and classified by code according to the connection method. (Refer to the section, 'How to use this manual'). The 'System Outline' and 'Service Hints' useful for troubleshooting are also contained in this section.

I

GROUND POINT

Shows ground positions of all parts described in this manual.

J

POWER SOURCE (Current Flow Chart)

Describes power distribution from the power supply to various electrical loads.

K

CONNECTOR LIST

Describes the form of the connectors for the parts appeared in this book. This section is closely related to the system circuit.

L

PART NUMBER OF CONNECTORS

Indicates the part number of the connectors used in this manual.

M

OVERALL ELECTRICAL WIRING DIAGRAM

Provides circuit diagrams showing the circuit connections.

This manual provides information on the electrical circuits installed on vehicles by dividing them into a circuit for each system.

The actual wiring of each system circuit is shown from the point where the power source is received from the battery as far as each ground point. (All circuit diagrams are shown with the switches in the OFF position.)

When troubleshooting any problem, first understand the operation of the circuit where the problem was detected (see System Circuit section), the power source supplying power to that circuit (see Power Source section), and the ground points (see Ground Point section). See the System Outline to understand the circuit operation.

When the circuit operation is understood, begin troubleshooting of the problem circuit to isolate the cause. Use Relay Location and Electrical Wiring Routing sections to find each part, junction block and wiring harness connectors, wiring harness and wiring harness connectors and ground points of each system circuit. Internal wiring for each junction block is also provided for better understanding of connection within a junction block.

Wiring related to each system is indicated in each system circuit by arrows

(from_, to_). When overall connections are required, see the Overall Electrical

Diagrams

Wiring Diagram at the end of this manual.

The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION.

Stop Light

[G]

System Title

Indicates a Relay Block. No shading is used and only the Relay Block No. is shown to distinguish it from the J/B

Example: © Indicates Relay Block No.1

( ) is used to indicate different wiring and connector, etc. when the vehicle model, engine type, or specification is different.

Indicates related system.

Indicates the code for the (male and female) connectors which are used to join two wire harnesses. The connector code consists of two alphabetical and one numerical characters.

Female

2010 Toyota Camry Wiring Diagrams Download Pdf

Female

The first character of the connector code indicates the alphabetical code allocated to the wire harness which has the female connector, and the second shows that of the wire harness which has the male connector.

The third character indicates a serial number used to distinguish between the wire harness combinations in cases when more than one of the same combination of wire harnesses exist (e.g. CH1 and CH2).

Symbol ( ^ ) indicates the male terminal connector. Numbers outside connector codes indicate the pin numbers of both male and female connectors.

[F] : Represents a part (all parts are shown in sky blue).

The code is the same as the code used in parts position.

[G] : Junction Block (The number in the circle is the J/B

No. and the connector code is shown beside it). Junction Blocks are shaded to clearly separate them from other parts.

Example:

3C indicates that it is inside Junction Block No.3

Indicates the wiring color.

Wire colors are indicated by an alphabetical code.

Y = Yellow

= Orange

The first letter indicates the basic wire color and the second letter indicates the color of the stripe.

[I] : Indicates a shielded cable.

: Indicates the pin number of the connector. The numbering system is different for female and male connectors.

Toyota Camry 2014 Wiring Diagram

Example:

Numbered in other from upper left to lower right

Numbered in other from upper right to lower left n=n

Female

Male

Indicates the ground point. The code consists of the two characters: A letter and number. The first character of the code indicates the alphabetical code allocated to the wire harness. The second character indicates a serial number used to distinguish between the ground points in cases when more than one ground point exist on the same wire harness.

[M] : Indicates the ignition key position(s) when the power is supplied to the fuse(s).

[N] : Indicates a wiring Splice Point.

Example:

System Outline

Current is applied at all times through the STOP fuse to TERMINAL 2 of the stop lamp SW.

When the ignition SW is turned on, current flows from the GAUGE fuse to TERMINAL 8 of the light failure sensor, and also flows through the rear lights warning light to TERMINAL 4 of the light failure sensor.

Stop Light Disconnection Warning

Wiring

When the ignition SW is turned on and the brake pedal is pressed (Stop lamp SW on), if the stop light circuit is open, the current flowing from TERMINAL 7 of the light failure sensor to TERMINALS 1, 2 changes, so the light failure sensor detects the disconnection and the warning circuit of the light failure sensor is activated.

As a result, the current flows from TERMINAL 4 of the light failure sensor to TERMINAL 11 to GROUND and turns the rear lights warning light on. By pressing the brake pedal, the current flowing to TERMINAL 8 of the light failure sensor keeps the warning circuit on and holds the warning light on until the ignition SW is turned off.

[P] O : Parts Location

Code

See Page

Code

See Page

Code

See Page

H4

36

H7

36

H17

38

H6

36

H9

38

J7

38

Code

See Page

Relay Blocks (Relay Block Location)

1

18

R/B No.1 (Instrument Panel Brace LH)

[R] O : Junction Block and Wire Harness Connector

Code

See Page

Junction Block and Wire Harness (Connector Location)

3C

22

Instrument Panel Wire and J/B No.3 (Instrument Panel Brace LH)

IB

20

Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel)

[S] □ : Connector Joining Wire Harness and Wire Harness

Code

See Page

Joining Wire Harness and Wire Harness (Connector Location)

CH1

42

Engine Room Main Wire and Instrument Panel Wire (Left Kick Panel)

HJ1

50

Instrument Panel Wire and Floor Wire (Right Kick Panel)

: Ground Points

Code

See Page

Ground Points Location

H1

50

Under the Left Center Pillar

H2

50

Back Panel Center

[O] : Explains the system outline.

[P] : Indicates reference pages showing the parts locations in the system circuit on the vehicle.

Example : Code 'H4' (Light Failure Sensor) is on page 36 of the manual.

* The first character of the code indicates the alphabetical code allocated to the wire harness, and the second character indicates the serial number of the parts connected to the wire harness.

T'1--Serial number for the connected parts

-Code for the wire harness

[Q] : Indicates the reference page showing the position on the vehicle of Relay Block Connectors in the system circuit.

Example : Connector '1' is described on page 18 of this manual and is installed on the left side of the instrument panel.

Toyota Camry Electrical Wiring Diagram

[R] : Indicates the reference page showing the position on the vehicle of J/B and Wire Harness in the system circuit.

Example : Connector '3C' connects the Instrument Panel Wire and J/B No.3. It is described on page 22 of this manual, and is installed on the instrument panel left side.

[S] : Indicates the reference page describing the wiring harness and wiring harness connector (the female wiring harness is shown first, followed by the male wiring harness).

Example : Connector 'CH1' connects the Engine Room Main Wire (female) and Instrument Panel Wire (male). It is described on page 42 of this manual, and is installed on the left side kick panel.

[T] : Indicates the reference page showing the position of the ground points on the vehicle.

Example : Ground point 'H2' is described on page 50 of this manual and is installed on the back panel center.

The ground points circuit diagram shows the connections from all major parts to the respective ground points. When troubleshooting a faulty ground point, checking the system circuits which use a common ground may help you identify the problem ground quickly. The relationship between ground points ( , and oy shown below) can also be checked this way.

I GROUND POINT

H23

(SG)

2010 Toyota Camry Wiring Diagrams Download

Junction Connector

6 (Shielded)

Headlamp Leveling Motor (LH)

(LH E)

L5

Power Window

(E)

Master SW

A22

Cooling Fan

(E)

Motor No.3

6 (Shielded)

2008 Toyota Camry Wiring Diagrams

Throttle (L) Position SW

Injection (EI> Pump Assembly

Brake Fluid Level <E> Warning SW

Power Window (E> Master SW

Throttle (L) Position SW

Injection (EI> Pump Assembly

Headlamp Leveling Motor (RH) (RH E)

W - B

W - B

Pressure SW

(-S)

A23

Turn Signal Lamp

W - B

(Front LH)

A11

Windshield

(E)

Wiper Motor

I9

Headlamp

(E)

Leveling SW

Free Toyota Wiring Diagrams

A6

W - B

g

Clearance Lamp

(Front RH)

A21

Clearance Lamp

W - B

(Front LH>

(E1)

D2

(E01)

Engine ECU

(E02)

W - B

Fog Lamp (E) (Front LH)

W - B

Fog Lamp (E) (Front RH)

-

Brake Fluid Level <E> Warning SW

12 7

A1

W - B

Turn Signal Lamp

(E) (Front RH)

Power Window (E> Master SW

Option Connector (Vacuum)

(GND1)

(GND)

B19

Skid Control ECU

with Actuator

* The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION.

The 'Current Flow Chart' section, describes which parts each power source (fuses, fusible links, and circuit breakers) transmits current to. In the Power Source circuit diagram, the conditions when battery power is supplied to each system are explained. Since all System Circuit diagrams start from the power source, the power source system must be fully understood.

J POWER SOURCE (Current Flow Chart)_

The chart below shows the route by which current flows from the battery to each electrical source (Fusible Link, Circuit Breaker, Fues, etc.) and other parts

Fusible Link Block

10A ECU-B

2

Short Pin

7.5A DOME

15A EFI

10A HAZARD

2

20A RADIO NO.1

10A HORN

EsO-pC

Engine Room R/B (See Page 20)

Fuse

System

Page

ABS

194

ABS and Traction Control

1B7

20A

STOP

Cruise Control

1B0

Electronically Controlled Transmission

166

Multiplex Communication System

210

10A

DOME

Cigarette Lighter Combination Meter Headlight Interior Light

Light Auto Turn Off System

214 230 112 122

Power Source

1.25B FL MAIN

1.25B FL MAIN

15A HAZ-RADIO

15A HAZ-RADIO

gma nu

Ignition SW

Battery

Starter

7.5A DOME

20A DEFOG

The system shown here is an EXAMPLE ONLY It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION.

K CONNECTOR LIST

Black

Gray

mill

ll 1

2

3

4 J

5

6

7

8 I

EU^rPrPrPrPrfl r

Gray

n /n

l|0

Vv n

1

2

3

4

5

6

7

8

9|10|11

12

BA1 I Black

BA1 I Black

r

4

3

1

11

10

9 8 7

6

5

[A] : Indicates connector to be connected to a part. (The numeral indicates the pin No.)

[B] : Junction Connector

Indicates a connector which is connected to a short terminal.

Junction Connector

Junction connector in this manual include a short terminal which is connected to a number of wire harnesses. Always perform inspection with the short terminal installed.

Short Terminal

The first letter of the code is taken from the first letter of part, and the numbers indicates its order in parts which start with the same letter.

[D] : Connector Color

Connectors not indicated are milky white in color.

[E] : Indicates the connector shapes which are used to join wire harnesses.

On Left : Female connector shapes On Right : Male connector shapes Numbers indicate pin numbers.

[F] : Indicates connector colors. (Connectors with not indicated colors are white) 10

Short Terminal

L PART NUMBER OF CONNECTORS

Code

Part Name

Part Number

Code

Part Name

Part Number

A1

Turn Signal Lamp (Front RH)

90980-11019

B22

Door Courtesy SW (Front LH)

90980-12470

A2

Inlet Air Temp. Sensor

90980-11163

B23

Front Seat Outer Belt (LH)

90980-12253

A3

Air Flow Meter

90980-12292

B24

Blower SW (Rear Heater)

90980-10463

A4

A/C Pressure Sensor

90980-10845

B25

Front Seat Outer Belt (RH)

90980-12253

A5

Pressure SW

90980-10943

B26

Door Courtesy SW (Front RH)

90980-12470

A6

Clearance Lamp (Front RH)

90980-11156

B27

Cooling Fan ECU No.1

90980-10841

[A]

Headla [B] H)

9098 [C] 314

B28

Cooling Fan ECU No.2

A8

Headlamp Leveling Motor (RH)

90980-11016

B29

Water Temp. Sensor (Radiator)

90980-10735

A9

Brake Vacuum Warning SW

90980-11252

B30

Fuel Filter Warning SW

90980-11003

A10

Brake Fluid Level Warning SW

90980-11207

B32

Door Control Relay (LH)

90980-10789

A11

Windshield Washer Motor

90980-11599

B33

Step Lamp (LH)

90980-10121

A12

Airbag Sensor (Front RH)

90980-11856

B34

Junction Connector

90980-11398

A13

-------—-—____^

90980-12490

B35

Junction Connector

Toyota Part Number are indicated.

Not all of the above part numbers of the connector are established for the supply.

To Ignition SW

To Ignition SW

VOLTAGE CHECK

(a) Establish conditions in which voltage is present at the check point.

Example:

(b) Using a voltmeter, connect the negative lead to a good ground point or negative battery terminal, and the positive lead to the connector or component terminal.

This check can be done with a test light instead of a voltmeter.

CONTINUITY AND RESISTANCE CHECK

(a) Disconnect the battery terminal or wire so there is no voltage between the check points.

(b) Contact the two leads of an ohmmeter to each of the check points.

Ohmmeter ,

oo 0

©knG

LJ L_l

Diode

—M—

<

y

/

-V-

©kQ©

LJ LJ

—N—

Digital Type Analog Type

If the circuit has diodes, reverse the two leads and check again.

When contacting the negative lead to the diode positive side and the positive lead to the negative side, there should be continuity.

When contacting the two leads in reverse, there should be no continuity.

(c) Use a volt/ohmmeter with high impedance (10 kQ/V minimum) for troubleshooting of the electrical circuit.

FINDING A SHORT CIRCUIT

(a) Remove the blown fuse and disconnect all loads of the fuse.

(b) Connect a test light in place of the fuse.

(c) Establish conditions in which the test light comes on.

Example:

Relay) and SW 2 off (or Disconnect SW 2)

(d) Disconnect and reconnect the connectors while watching the test light.

The short lies between the connector where the test light stays lit and the connector where the light goes out.

(e) Find the exact location of the short by lightly shaking the problem wire along the body.

CAUTION:

(a) Do not open the cover or the case of the ECU unless absolutely necessary. (If the IC terminals are touched, the IC may be destroyed by static electricity.)

(b) When replacing the internal mechanism (ECU part) of the digital meter, be careful that no part of your body or clothing comes in contact with the terminals of leads from the IC, etc. of the replacement part (spare part).

DISCONNECTION OF MALE AND FEMALE CONNECTORS

To pull apart the connectors, pull on the connector itself, not the wire harness.

HINT: Check to see what kind of connector you are disconnecting before pulling apart.

HOW TO REPLACE TERMINAL

(with terminal retainer or secondary locking device)

1. PREPARE THE SPECIAL TOOL

HINT: To remove the terminal from the connector, please construct and use the special tool or like object shown on the left.

2. DISCONNECT CONNECTOR

Terminal Retainer

[Retainer at Full Lock Position]

Terminal

StoPPer Retainer

Terminal

StoPPer Retainer

[Retainer at Temporary Lock Position]

Terminal Retainer

3. DISENGAGE THE SECONDARY LOCKING DEVICE OR

TERMINAL RETAINER.

(a) Locking device must be disengaged before the terminal locking clip can be released and the terminal removed from the connector.

(b) Use a special tool or the terminal pick to unlock the secondary locking device or terminal retainer.

NOTICE:

Do not remove the terminal retainer from connector body.

[A] For Non-Waterproof Type Connector

HINT : The needle insertion position varies according to the connector's shape (number of terminals etc.), so check the position before inserting it.

'Case 1'

Raise the terminal retainer up to the temporary lock position.

[Retainer at Temporary Lock Position]

'Case 2'

Open the secondary locking device.

[B] For Waterproof Type Connector

HINT: Terminal retainer color is different according to connector body.

Example:

Terminal Retainer : Connector Body Black or White : Gray Black or White : Dark Gray Gray or White : Black

'Case 1'

Type where terminal retainer is pulled up to the temporary lock position (Pull Type).

Insert the special tool into the terminal retainer access hole (^Mark) and pull the terminal retainer up to the temporary lock position.

HINT: The needle insertion position varies according to the connector's shape (Number of terminals etc.), so check the position before inserting it.

'Case 2'

Type which cannot be pulled as far as Power Lock insert the tool straight into the access hole of terminal retainer as shown.

Push the terminal retainer down to the temporary lock position.

(c) Release the locking lug from terminal and pull the terminal out from rear.

4. INSTALL TERMINAL TO CONNECTOR

(a) Insert the terminal. HINT:

1. Make sure the terminal is positioned correctly.

2. Insert the terminal until the locking lug locks firmly.

3. Insert the terminal with terminal retainer in the temporary lock position.

(b) Push the secondary locking device or terminal retainer in to the full lock position.

5. CONNECT CONNECTOR

ABBREVIATIONS

The following abbreviations are used in this manual.

A/C

= Air Conditioning

A/T

= Automatic Transaxle

ABS

= Anti-Lock Brake System

ACIS

= Acoustic Control Induction System

ACM

= Active Control Engine Mount

CAN

= Controller Area Network

EC

= Electrochromic

ECU

= Electronic Control Unit

ESA

= Electronic Spark Advance

ETCS-i :

= Electronic Throttle Control System

FL

= Fusible Link

IC

= Integrated Circuit

J/B

= Junction Block

LCD

= Liquid Crystal Display

LH

= Left-Hand

M/T

= Manual Transaxle

R/B

= Relay Block

RH

= Right-Hand

SFI

= Sequential Multiport Fuel Injection

SRS

= Supplemental Restraint System

SW

= Switch

TEMP.

= Temperature

TRAC

= Traction Control

VSC

= Vehicle Stability Control

VSV

= Vacuum Switching Valve

VVT

= Variable Valve Timing

VVT-i

= Variable Valve Timing-intelligent

w/

= With

w/o

= Without

* The titles given inside the components are the names of the terminals (terminal codes) and are not treated as being abbreviations.

BATTERY

Stores chemical energy and converts it into electrical energy. Provides DC current for the auto's various electrical circuits.

GROUND

The point at which wiring attaches to the Body, thereby providing a return path for an electrical circuit; without a ground, current cannot flow.

CAPACITOR (Condenser)

A small holding unit for temporary storage of electrical voltage.

CIGARETTE LIGHTER

An electric resistance heating element.

HEADLIGHTS 1. SINGLE Current flow causes a headlight FILAMENT filament to heat up and emit light. A headlight may have either a single (1) filament or a double (2) filament

2. DOUBLE FILAMENT

CIRCUIT BREAKER

Basically a reusable fuse, a circuit breaker will heat and open if too much current flows through it. Some units automatically reset when cool, others must be manually reset.

HORN

An electric device which sounds a loud audible signal.

DIODE

A semiconductor which allows current flow in only one direction.

IGNITION COIL

Converts low-voltage DC current into high-voltage ignition current for firing the spark plugs.

DIODE, ZENER

A diode which allows current flow in one direction but blocks reverse flow only up to a specific voltage. Above that potential, it passes the excess voltage. This acts as a simple voltage regulator.

LIGHT

Current flow through a filament causes the filament to heat up and emit light.

PHOTODIODE

The photodiode is a semiconductor which controls the current flow according to the amount of light.

LED (LIGHT EMITTING DIODE)

Upon current flow, these diodes emit light without producing the heat of a comparable light.

DISTRIBUTOR, IIA

Channels high-voltage current from the ignition coil to the individual spark plugs.

METER, ANALOG

Current flow activates a magnetic coil which causes a needle to move, thereby providing a relative display against a background calibration.

FUSE

A thin metal strip which burns through when too much current flows through it, thereby stopping current flow and protecting a circuit from damage. FUSIBLE LINK (for Medium Current Fuse) a heavy-gauge wire placed in high amperage circuits which burns through on overloads, thereby protecting the circuit. The numbers indicate the crosssection surface area of the wires.

METER, DIGITAL

Current flow activates one or many LED's, LCD's, or fluorescent displays, which provide a relative or digital display.

(for High Current Fuse or Fusible Link)

MOTOR

A power unit which converts electrical energy into mechanical energy, especially rotary motion.

FUEL

RELAY

Basically, an electrically operated

1. NORMALLYswitch which may be normally CLOSED closed (1) or open (2).

Current flow through a small coil creates a magnetic field which either opens or closes an attached switch.

2. NORMALLY OPEN

SPEAKER

An electromechanical device which creates sound waves from current flow.

SWITCH, MANUAL

1. NORMALLY OPEN

RELAY, DOUBLE THROW

A relay which passes current through one set of contacts or the other.

RESISTOR

An electrical component with a fixed resistance, placed in a circuit to reduce voltage to a specific value.

RESISTOR, TAPPED

A resistor which supplies two or more different non adjustable resistance values.

Opens and closes circuits, thereby stopping (1) or allowing (2) current flow.

2. NORMALLY CLOSED

RESISTOR, VARIABLE or RHEOSTAT

A controllable resistor with a variable rate of resistance. Also called a potentiometer or rheostat.

SWITCH, DOUBLE THROW

A switch which continuously passes current through one set of contacts or the other.

SWITCH, IGNITION

A key operated switch with several positions which allows various circuits, particularly the primary ignition circuit, to become operational.

SENSOR (Thermistor)

A resistor which varies its resistance with temperature.

SENSOR, SPEED

Uses magnetic impulses to open and close a switch to create a signal for activation of other components.

TRANSISTOR

A solidstate device typically used as an electronic relay; stops or passes current depending on the voltage applied at 'base'.

SWITCH, WIPER PARK

Automatically returns wipers to the stop position when the wiper switch is turned off.

TRANSISTOR

A solidstate device typically used as an electronic relay; stops or passes current depending on the voltage applied at 'base'.

SHORT PIN

Used to provide an unbroken connection within a junction block.

SOLENOID

An electromagnetic coil which forms a magnetic field when current flows, to move a plunger, etc.

(2) SPLICED

WIRES

Wires are always drawn as (1) NOT straight lines on wiring

CONNECTED diagrams.

Crossed wires (1) without a black dot at the junction are not joined;

crossed wires (2) with a black dot or octagonal ( O ) mark at the junction are spliced (joined) connections.

(2) SPLICED

[Engine Compartment]

[Instrument Panel]

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