Buzzers Relays Timers

BUZZERS, RELAYS & TIMERS LOCATION

Component

Location

ACC CUT Relay

Left kick panel. See Fig. 15.

ACC Relay

On instrument panel J/B. See Fig. 22.

A/F Relay

On engine room R/B No. 2. See Fig. 17.

AIR SUS Relay

On engine room R/B No. 2. See Fig. 17.

BACK-UP LIGHT Relay

On instrument panel J/B. See Fig. 22.

BATT CHARGE Relay

On Engine Room R/B No. 3. See Fig. 18.

Brake Inhibit Relay

Behind left center of dash. See Fig. 15.

CDS FAN Relay

On engine room R/B No. 2. See Fig. 17.

C/OPN Relay

On engine room J/B. See Fig. 20.

DEFOG Relay

On engine room J/B. See Fig. 20.

DIMMER Relay

On engine room R/B No. 2. See Fig. 17.

DRL No. 4 Relay

On engine room R/B No. 2. See Fig. 17.

EFI Relay

On engine room J/B. See Fig. 20.

FOG LIGHT Relay

On instrument panel J/B. See Fig. 22.

FUEL PUMP Relay

On engine room J/B. See Fig. 20.

HEAD Relay

On engine room J/B. See Fig. 20.

Heater Relay

In engine room R/B No.4. See Fig. 24.

HORN Relay

On engine room J/B. See Fig. 20.

INVERTER Relay

On driver side R/B. See Fig. 19.

MG CLT Relay

On engine room R/B No. 2. See Fig. 17.

Mirror Heater Relay

Behind left end of dash, beside instrument panel

J/B. See Fig. 15.

POWER MAIN Relay

On instrument panel J/B. See Fig. 22.

RR Heater Relay

In engine room R.B No.4. See Fig. 24.

SEAT HEATER Relay

On driver side R/B. See Fig. 19.

ST Relay

On engine room R/B No. 2. See Fig. 17.

TAILLIGHT Relay

On instrument panel J/B. See Fig. 22.

Towing Converter Relay

On left side of cargo area, behind trim panel. See

Fig. 16.

TOWING TAIL Relay

On Engine Room R/B No. 3. See Fig. 18.

Turn Signal Flasher Relay

Behind left end of dash, below instrument panel J/B.

See Fig. 15.

VSC Warning Buzzer

Behind left end of dash. See Fig. 6.

On left front of engine compartment, behind

2007 TOYOTA Sequoia

Wireless Door Lock Control Buzzer

headlight. See Fig. 2.|

CIRCUIT PROTECTION DEVICES

CIRCUIT PROTECTION DEVICES LOCATION

Component

Location

Driver Side R/B

Behind left end of dash, below instrument panel J/B.

See Fig. 15.

Engine Room J/B

On left side of engine compartment. See Fig. 14.

Engine Room R/B No. 2

On left side of engine compartment. See Fig. 14.

Engine Room R/B No. 3

On left side of engine compartment. See Fig. 14.

Engine Room R/B No. 4

On left side of engine compartment. See Fig. 14.

Fusible Link Block

In engine room J/B. See Fig. 14.

Instrument Panel J/B

Behind left end of dash. See Fig. 15.

Sub J/B No. 3

Behind right side of instrument cluster. See Fig. 15.

Sub J/B No. 4

Behind right side of instrument cluster. See Fig. 15.

CONTROL UNITS

CONTROL UNITS LOCATION

Component

Location

Airbag Sensor Assembly

Below front of center console. See Fig. 15.

Air Injection Control Driver

On left side of engine compartment. See Fig. 1.

Back Door ECU

On left side of liftgate. See Fig. 16.

Body ECU

Behind left end of dash. See Fig. 15.

Driver Door ECU

In left front door. See Fig. 16.

Engine Control Module

Behind right side of dash. See Fig. 15.

Front Passenger Door ECU

In right front door. See Fig. 16.

Glass Breakage Sensor ECU

Inside of steering column. See Fig. 15.

Integration Control & Panel

Behind center of dash. See Fig. 15.

Memory Seat ECU

Side of left front seat. See Fig. 23.

Occupant Classification ECU

Under right front seat. See Fig. 23.

Overhead Module

On center front of roof. See Fig. 16.

Rear Seat Audio Controller

On center of roof, under headliner. See Fig. 16.

Rear Seat Entertainment ECU

Under rear of center console. See Fig. 15.

Skid Control ECU (W/ Actuator)

On right rear of engine compartment. See Fig. 14.

Sliding Roof Control ECU

On center front of roof. See Fig. 16.

Stereo Component Amplifier

Center of dash, below radio. See Fig. 15.

Suspension Control ECU

Center of dash, below radio. See Fig. 15.

Tire Pressure Monitor ECU

Behind right center of dash. See Fig. 15.

Towing Brake Controller

At left kick panel. See Fig. 6.

2007 TOYOTA Sequoia

Translate ECU

Above right kick panel. See Fig. 15.

Transponder Key Amplifier

Inside of steering column. See Fig. 15.

Transponder Key Computer

Inside of steering column. See Fig. 15.

Wireless Door Control Receiver

Center of dash, below radio. See Fig. 15.

4WD Control ECU

Behind right center of dash. See Fig. 15.

MOTORS

MOTORS LOCATION

Component

Location

A/C Condenser Fan Motor

On center front of engine compartment. See Fig. 1.

ADD Actuator

On rear of engine. See Fig. 1.

Air Inlet Control Servo Motor

Behind right side of dash. See Fig. 3.

Air Mix Control Servo Motor (Front)

Behind lower right side of dash. See Fig. 3.

Air Vent Mode Control Servo Motor (Front)

Behind lower left side of dash. See Fig. 3.

Air Vent Mode Control Servo Motor (Rear)

On right rear of vehicle. See Fig. 7.

Blower Motor (Front)

Behind lower right side of dash. See Fig. 3.

Blower Motor (Rear)

On right rear of vehicle. See Fig. 7.

Front Washer Motor

On right front of engine compartment. See Fig. 1.

Front Wiper Motor

On right rear of engine compartment. See Fig. 1.

Fuel Pump & Sender

Inside fuel tank. See Fig. 7.

Rear Washer Motor

On right front of engine compartment, behind headlight. See Fig. 2.

Rear Wiper Motor

Inside lower center of liftgate. See Fig. 8.

Starter

Rear of engine. See Fig. 2.

Transfer Shift Actuator

On transfer case. See Fig. 2.

SENDING UNITS & SENSORS

SENDING UNITS & SENSORS LOCATION

Component

Location

ABS Speed Sensor (Front Left/Front Right)

On respective wheels. See Fig. 1.

ABS Speed Sensor (Rear Left/Rear Right)

On respective wheels. See Fig. 7.

A/C Ambient Temperature Sensor

On left front of engine compartment. See Fig. 1.

Accelerator Pedal Position Sensor

On throttle body. See Fig. 3.

A/C Evaporator Temperature Sensor (Front)

Behind right center of dash. See Fig. 3.

A/C Evaporator Temperature Sensor (Rear)

On right rear of vehicle. See Fig. 7.

A/C Magnetic Clutch & Lock Sensor

On left front of engine compartment. See Fig. 1.

A/C Room Temperature Sensor (Front)

Behind lower left center of dash. See Fig. 3.

A/C Room Temperature Sensor (Rear)

Front of left quarterpanel. See Fig. 7.

A/C Solar Sensor

On top left side of dash. See Fig. 3.

2007 TOYOTA Sequoia

Airbag Sensor Assembly

Below front of center console. See Fig. 15.

Airbag Sensor (Front Left)

On left front of radiator support. See Fig. 1.

Airbag Sensor (Front Right)

On right side of radiator support. See Fig. 1.

Air Fuel Ratio Sensor (Bank 1 Sensor 1)

Top of engine. See Fig. 1.

Air Fuel Ratio Sensor (Bank 2 Sensor 1)

On top rear of engine. See Fig. 1.

Air Pressure Sensor

Top of engine. See Fig. 1.

Automatic Light Control Sensor

On top left side of dash. See Fig. 3.

Buckle SW LH Seat Position Airbag Sensor

Under driver's seat. See Fig. 7.

Camshaft Position Sensor

On front of left cylinder head. See Fig. 1.

Crankshaft Position Sensor

On lower front of engine. See Fig. 1.

Engine Coolant Temperature Sensor

On right front of engine. See Fig. 1.

Fuel Pump & Sender

Inside fuel tank. See Fig. 7.

Heated Oxygen Sensor (Bank 1 Sensor 2)

Rear of catalytic converter. See Fig. 1.

Heated Oxygen Sensor (Bank 2 Sensor 2)

Rear of catalytic converter. See Fig. 1.

Height Control Sensor LH

Behind left rear wheelwell. See Fig. 7.

Knock Sensor (Bank 1)

On top right side of engine. See Fig. 2.

Knock Sensor (Bank 2)

On top left side of engine. See Fig. 2.

Mass Airflow Meter

On right front of engine compartment. See Fig. 2.

Master Cylinder Pressure Sensor No. 1

On brake master cylinder. See Fig. 2.

Master Cylinder Pressure Sensor No. 2

On brake master cylinder. See Fig. 2.

Occupant Classification Sensor Front LH

Left front of seat bottom. See Fig. 25.

Occupant Classification Sensor Front RH

Right front of seat bottom. See Fig. 25.

Occupant Classification Sensor Rear LH

Left rear of seat bottom. See Fig. 25.

Occupant Classification Sensor Rear RH

Right rear of seat bottom. See Fig. 25.

O/D Direct Clutch Speed Sensor

On transmission. See Fig. 2.

Oil Pressure Sender

Left front of engine. See Fig. 2.

Pedal Stroke Speed Sensor

On brake master cylinder. See Fig. 2.

Seat Belt Warning Occupant Detection Sensor Front LH

Under front passenger seat. See Fig. 9.

Seat Belt Warning Occupant Detection Sensor Front RH

Under front passenger seat. See Fig. 9.

Seat Belt Warning Occupant Detection Sensor Rear LH

Under front passenger seat. See Fig. 9.

Seat Belt Warning Occupant Detection Sensor Rear RH

Under front passenger seat. See Fig. 9.

Side Air Bag Sensor (Left)

At base of left "B" pillar, behind trim panel. See

Fig. 8.

Side Airbag Sensor Rear LH

Left "C" pillar. See Fig. 8.

Side Airbag Sensor Rear RH

Right "C" pillar. See Fig. 8.

Side Air Bag Sensor (Right)

At base of right "B" pillar, behind trim panel. See

Fig. 8.

2007 TOYOTA Sequoia

Steering Angle Sensor

Inside of steering column. See Fig. 6.

Throttle Control Motor & Position Sensor

On left front of engine, on throttle body. See Fig. 2.

Vehicle Speed Sensor (Combination Meter) (2WD)

On transmission. See Fig. 2.

Vehicle Speed Sensor (Combination Meter) (4WD)

On transmission. See Fig. 2.

Vehicle Speed Sensor (Electronically Controlled Transmission) (2WD)

On transmission. See Fig. 2.

Vehicle Speed Sensor (Electronically Controlled Transmission) (4WD)

On transmission. See Fig. 2.

VVT Sensor LH

On top left side of engine. See Fig. 2.

VVT Sensor RH

Right side of engine compartment. See Fig. 2.

Washer Level Sensor

On right front of engine compartment. See Fig. 1.

Yaw Rate Sensor

Below rear of center console. See Fig. 6.

SOLENOIDS & SOLENOID VALVES

SOLENOIDS & SOLENOID VALVES LOCATION

Component

Location

A/C Magnetic Clutch & Lock Sensor

On left front of engine compartment. See Fig. 1.

A/C Water Valve (Rear)

On right rear of vehicle. See Fig. 7.

Air Switching Valve

Top of engine. See Fig. 1.

Camshaft Timing Oil Control Valve LH

Top left of engine. See Fig. 1.

Camshaft Timing Oil Control Valve RH

On right front of engine. See Fig. 1.

Electronically Controlled Transmission Solenoid

On transmission. See Fig. 1.

Height Control Valve

Behind left rear wheelwell. See Fig. 7.

Injector No. 1 - 8

Top of engine, above respective cylinder. See Fig.

2.

VSV (ACIS)

Top left of engine. See Fig. 2.

VSV (Air Switching Valve Bank 1)

Top right side of engine. See Fig. 2.

VSV (Air Switching Valve Bank 2)

Top right side of engine. See Fig. 2.

VSV (EVAP)

On top left side of engine. See Fig. 2.

SWITCHES

SWITCHES LOCATION

Component

Location

Brake Fluid Level Warning Switch

On brake fluid reservoir. See Fig. 1.

Buckle Switch (Front Left/Front Right)

Inside respective seat belt buckle. See Fig. 9.

Engine Hood Courtesy Switch

On left center of radiator support. See Fig. 1.

Parking Brake Switch

Behind left side of dash, on parking brake lever. See

Fig. 6.

Park/Neutral Position Switch

On transmission. See Fig. 2.

Pressure Switch

On right front of engine compartment. See Fig. 1.

Stop Light Switch

On bracket above brake pedal. See Fig. 6.

Transfer L4 Position Detection Switch

On transfer case. See Fig. 1.

Transfer Neutral Position Detection Switch

On transfer case. See Fig. 1.

Transfer Position Detection Switch No. 1

On transfer case. See Fig. 1.

Transfer Position Detection Switch No. 2

On transfer case. See Fig. 1.

Was this article helpful?

0 0
Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

Get My Free Ebook


Post a comment