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Engine Controls - System & Component Testing - V6 & V8 Toyota Highlander I

Step-by-step instructions on "Engine Controls - System & Component Testing - V6 & V8" for Toyota Highlander I (2001–2003). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

Sienna

Camry

ACOUSTIC CONTROL INDUCTION SYSTEM

ELECTRONIC THROTTLE CONTROL SYSTEM

Camry, Land Cruiser, Sequoia, Tundra 4.7L V8 & 4Runner

ACOUSTIC CONTROL INDUCTION SYSTEM CONTROL CIRCUIT

ENGINE CONTROL MODULE POWER SOURCE CIRCUIT

Avalon

Camry Solara

Highlander

Land Cruiser

Sequoia

Tacoma

Tundra 3.4L V6

Tundra 4.7L V8

4Runner

FUEL PUMP CONTROL CIRCUIT

Tacoma, Tundra 3.4L V6 & 4Runner

STARTER SIGNAL CIRCUIT

Tundra

Power & Ground Circuits

Land Cruiser, Sequoia, Tundra 4.7L V8 & 4Runner

AIR/FUEL SENSOR

AIRFLOW METER

BRAKELIGHT SWITCH

CAMSHAFT POSITION SENSOR

CRANKSHAFT POSITION SENSOR

Camry & Camry Solara

All Models

Avalon, Camry, Camry Solara, Highlander, Sienna, Tacoma, Tundra 3.4L V6 & 4Runner

VAPOR PRESSURE SENSOR

Avalon, Highlander & Sienna

A/F HEATER RELAY

EFI MAIN RELAY

IG2 RELAY

FUEL SYSTEM PRESSURE RELEASE

FUEL DELIVERY

Circuit Opening Relay

Fuel Pump Electronic Control Unit (Land Cruiser)

Fuel Pump Relay (Sequoia & Tundra 4.7L V8)

Fuel Pump Switch (Land Cruiser)

Fuel Cut System (Avalon, Camry Solara, Land Cruiser, Sequoia, Sienna, Tacoma, Tundra & 4Runner)

Fuel Cut System (Camry & Highlander)

Avalon & Sienna

THROTTLE BODY

IGNITION SYSTEMS

Knock Sensors

EMISSION SYSTEMS & SUB-SYSTEMS

System Check (Camry & Camry Solara)

EGR Gas Temperature Sensor (Camry & Camry Solara)

EGR Position Sensor (Camry & Camry Solara)

EGR Vacuum Control Valve (Camry & Camry Solara)

EGR Valve (Camry & Camry Solara)

FUEL EVAPORATIVE SYSTEM

Charcoal Canister

Cut-Off Valve (Avalon, Camry, Camry Solara, Highlander, Sequoia, Sienna, Tacoma & 4Runner)

Overfill Check Valve (Avalon, Camry, Camry Solara, Highlander, Sequoia, Sienna, Tacoma & 4Runner)

Vapor Pressure Sensor (Camry & Highlander)

Avalon, Camry, Camry Solara, Highlander, Land Cruiser, Sequoia, Sienna, Tacoma & Tundra 4.7L V8

Tundra 3.4L V6 & 4Runner

VARIABLE VALVE TIMING SYSTEM

VARIABLE VALVE TIMING CAMSHAFT TIMING OIL CONTROL VALVE