Manual sections

Wiring diagrams

• Abbreviations
• ABS with Ebd & Ba & Trac & Vsc System - Diagnostics
• Accessory Drive Belts
• Adjustments
• Air Conditioning System - Diagnostics
• Airbag
• Anti-Lock/traction Control
• Application
• Automatic HVAC System
• Automatic Trans
• Automatic Transmission Electronic Controlled (ECT) - A750E/A750F - Diagnostics: Diagnosis
• Auxiliary Emission Control Systems
• Axle Shafts
• Basic Trouble Shooting
• Brakes
• Cabin Air Filter
• Charging System
• Check Lists
• Communication Devices
• Computer Relearn
• Cooling System (Mechanical)
• Cruise Control Systems
• Diagnostic Connector Locations
• Differentials & Drive Axles
• Door Locks & Anti-Theft Systems
• Drive Cycles
• Driveline/axles
• Driveshaft & Universal Joints
• DTC Index
• Electrical Component Locations
• Emission Applications
• Engine
• Engine Control System Self Diagnostics - 1GR-FE: Diagnosis
• Engine Controls - System & Component Testing - V6 & V8
• Engine Mechanical (1GR-FE): Overhaul
• Engine Mechanical (1GR-FE): Removal & Installation
• Engine Mechanical (2UZ-FE): Overhaul
• Engine Performance
• Entertainment Systems
• Exhaust
• Exterior Body Panels
• Exterior Lights
• Exterior/interior Trim
• Fuel System
• Fuses & Circuit Breakers
• Gauges & Instrument Panels
• General Servicing - All Makes
• Headlights
• Hoist/jack
• Identification
• Ignition Switch/steering Lock
• Ignition System
• Lubrication System
• Manual & Power Steering
• Manual HVAC System
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Mirrors
• Mode 6
• Navigations System - Diagnostics
• Parking Brake System
• Pin Voltage Charts
• Rear Air Suspension System - Diagnostics
• Removal & Installation
• Reset Procedures
• Restraints
• Restraints Control Systems
• Seats
• Sensor Range Charts
• Specifications
• Starter
• Steering
• Steering Column
• Sun Roof/t-Top/convertible Top
• Suspension Control Systems
• Suspension Front
• Suspension Rear
• Testing & Diagnostics
• Theory & Operation
• Timing Belt
• Towing Systems
• Traction Control Disable
• Transfer Case
• Transfer Case (VF4AM, VF4BM): Diagnosis
• Transmission
• Warning System
• Wheel & Tire System
• Wheel Alignment
• Windows
• Wiper/washer Systems

Repair manual

Engine Controls - System & Component Testing - V6 & V8 Toyota 4Runner IV

Step-by-step instructions on "Engine Controls - System & Component Testing - V6 & V8" for Toyota 4Runner IV (2002–2005). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

130subsections

130articles

519illustrations

ENGINE CONTROL SYSTEM

1 article

• ENGINE CONTROL SYSTEM 13

ENGINE CONTROL MODULE

1 article

• ENGINE CONTROL MODULE 9

Sienna

1 article

• Sienna

Camry

1 article

• Camry

ACOUSTIC CONTROL INDUCTION SYSTEM

1 article

• ACOUSTIC CONTROL INDUCTION SYSTEM

Avalon & Sienna

1 article

• Avalon & Sienna 2

Camry (Up To Jan. 2003 Production)

1 article

• Camry (Up To Jan. 2003 Production) 2

Camry (Jan. 2003 & Later Production)

1 article

• Camry (Jan. 2003 & Later Production) 2

Camry Solara

1 article

• Camry Solara 2

Highlander

1 article

• Highlander 1

4Runner 4.0L

1 article

• 4Runner 4.0L 1

ELECTRONIC THROTTLE CONTROL SYSTEM

1 article

• ELECTRONIC THROTTLE CONTROL SYSTEM

Camry, Land Cruiser, Sequoia, Tacoma With ETCS, Tundra & 4Runner

1 article

• Camry, Land Cruiser, Sequoia, Tacoma With ETCS, Tundra & 4Runner

ACOUSTIC CONTROL INDUCTION SYSTEM CONTROL CIRCUIT

1 article

• ACOUSTIC CONTROL INDUCTION SYSTEM CONTROL CIRCUIT

Avalon, Camry, Camry Solara, Highlander & Sienna

1 article

• Avalon, Camry, Camry Solara, Highlander & Sienna 11

CRANKING HOLD FUNCTION CIRCUIT

1 article

• CRANKING HOLD FUNCTION CIRCUIT

Land Cruiser

1 article

• Land Cruiser 11

Sequoia & Tundra 4.7L

1 article

• Sequoia & Tundra 4.7L 12

4Runner

1 article

• 4Runner 12

ENGINE CONTROL MODULE POWER & GROUND CIRCUITS

1 article

• ENGINE CONTROL MODULE POWER & GROUND CIRCUITS

ENGINE CONTROL MODULE POWER SOURCE CIRCUIT

1 article

• ENGINE CONTROL MODULE POWER SOURCE CIRCUIT

Avalon

1 article

• Avalon 25

Sequoia

1 article

• Sequoia 9

Tacoma

1 article

• Tacoma 6

Tundra 3.4L

1 article

• Tundra 3.4L 5

Tundra 4.7L

1 article

• Tundra 4.7L 12

FUEL PUMP CONTROL CIRCUIT

1 article

• FUEL PUMP CONTROL CIRCUIT 58

4Runner 4.7L

1 article

• 4Runner 4.7L 14

STARTER SIGNAL CIRCUIT

1 article

• STARTER SIGNAL CIRCUIT 38

Camry, Land Cruiser, Sequoia, Tundra & 4Runner

1 article

• Camry, Land Cruiser, Sequoia, Tundra & 4Runner

All Vehicles (Except Tacoma)

1 article

• All Vehicles (Except Tacoma) 2

AIR/FUEL SENSOR

1 article

• AIR/FUEL SENSOR

Avalon, Camry Solara, Highlander & Sienna

1 article

• Avalon, Camry Solara, Highlander & Sienna 3

Tacoma & Tundra 3.4L

1 article

• Tacoma & Tundra 3.4L 2

AIRFLOW METER

1 article

• AIRFLOW METER

All Models

1 article

• All Models 8

BRAKELIGHT SWITCH

1 article

• BRAKELIGHT SWITCH

Avalon, Sienna, Tacoma & Tundra

1 article

• Avalon, Sienna, Tacoma & Tundra 1

Camry, Camry Solara, Highlander & Land Cruiser

1 article

• Camry, Camry Solara, Highlander & Land Cruiser 3

CAMSHAFT POSITION SENSOR

1 article

• CAMSHAFT POSITION SENSOR

CRANKSHAFT POSITION SENSOR

1 article

• CRANKSHAFT POSITION SENSOR

Camry & Camry Solara

1 article

• Camry & Camry Solara 6

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

1 article

• Land Cruiser, Sequoia, Tundra 4.7L & 4Runner 4.7L 9

Avalon, Camry, Camry Solara, Highlander, Sienna, Tacoma & Tundra 3.4L

1 article

• Avalon, Camry, Camry Solara, Highlander, Sienna, Tacoma & Tundra 3.4L 5

A/T Models

1 article

• A/T Models 5

Avalon, Camry, Camry Solara, Sienna, Tacoma, Tundra 3.4L & 4Runner 4.0L

1 article

• Avalon, Camry, Camry Solara, Sienna, Tacoma, Tundra 3.4L & 4Runner 4.0L 5

Camry (Up To January 2003 Production)

1 article

• Camry (Up To January 2003 Production) 3

Camry (January 2003 & Later Production)

1 article

• Camry (January 2003 & Later Production) 31

Tacoma (With ETCS)

1 article

• Tacoma (With ETCS) 6

Tacoma (Without ETCS)

1 article

• Tacoma (Without ETCS) 27

VAPOR PRESSURE SENSOR

1 article

• VAPOR PRESSURE SENSOR

Avalon, Camry, Highlander, Sienna & 4Runner 4.0L

1 article

• Avalon, Camry, Highlander, Sienna & 4Runner 4.0L 5

Tundra

1 article

• Tundra

Camry, Land Cruiser, Sequoia, Tacoma With ETCS, Tundra & 4Runner 4.7L

1 article

• Camry, Land Cruiser, Sequoia, Tacoma With ETCS, Tundra & 4Runner 4.7L

A/F HEATER RELAY

1 article

• A/F HEATER RELAY

Avalon, Camry, Camry Solara, Highlander, Sienna & 4Runner 4.0L

1 article

• Avalon, Camry, Camry Solara, Highlander, Sienna & 4Runner 4.0L 15

EFI MAIN RELAY

1 article

• EFI MAIN RELAY 1

Land Cruiser, Sequoia, Tundra 4.7L & 4Runner

1 article

• Land Cruiser, Sequoia, Tundra 4.7L & 4Runner 2

IG2 RELAY

1 article

• IG2 RELAY

FUEL SYSTEM PRESSURE RELEASE

1 article

• FUEL SYSTEM PRESSURE RELEASE

FUEL DELIVERY

1 article

• FUEL DELIVERY

Circuit Opening Relay

1 article

• Circuit Opening Relay

Fuel Pump Relay (Land Cruiser, Sequoia, Tundra 4.7L & 4Runner)

1 article

• Fuel Pump Relay (Land Cruiser, Sequoia, Tundra 4.7L & 4Runner)

Fuel Pump Resistor (Land Cruiser, Sequoia, Tundra 4.7L & 4Runner)

1 article

• Fuel Pump Resistor (Land Cruiser, Sequoia, Tundra 4.7L & 4Runner) 2

Fuel Injectors (Avalon)

1 article

• Fuel Injectors (Avalon) 2

Fuel Injectors (Camry - Up To Jan. 2003 Production)

1 article

• Fuel Injectors (Camry - Up To Jan. 2003 Production) 2

Fuel Injectors (Camry - Jan. 2003 & Later Production)

1 article

• Fuel Injectors (Camry - Jan. 2003 & Later Production) 2

Fuel Injectors (Camry Solara)

1 article

• Fuel Injectors (Camry Solara) 2

Fuel Injectors (Highlander)

1 article

• Fuel Injectors (Highlander) 2

Fuel Injectors (Land Cruiser)

1 article

• Fuel Injectors (Land Cruiser) 3

Fuel Injectors (Sequoia)

1 article

• Fuel Injectors (Sequoia) 2

Fuel Injectors (Sienna)

1 article

• Fuel Injectors (Sienna) 2

Fuel Injectors (Tacoma)

1 article

• Fuel Injectors (Tacoma) 2

Fuel Injectors (Tundra 3.4L)

1 article

• Fuel Injectors (Tundra 3.4L) 2

Fuel Injectors (Tundra 4.7L)

1 article

• Fuel Injectors (Tundra 4.7L) 2

Fuel Injectors (4Runner 4.0L)

1 article

• Fuel Injectors (4Runner 4.0L) 2

Fuel Injectors (4Runner 4.7L)

1 article

• Fuel Injectors (4Runner 4.7L) 2

Fuel Cut System (Avalon, Camry Solara, Land Cruiser, Sequoia, Sienna, Tacoma, Tundra & 4Runner 4.0L)

1 article

• Fuel Cut System (Avalon, Camry Solara, Land Cruiser, Sequoia, Sienna, Tacoma, Tundra & 4Runner 4.0L)

Fuel Cut System (Camry & Highlander)

1 article

• Fuel Cut System (Camry & Highlander) 9

Land Cruiser & Sequoia

1 article

• Land Cruiser & Sequoia 2

Tacoma With ETCS & Tundra

1 article

• Tacoma With ETCS & Tundra 2

Tacoma Without ETCS

1 article

• Tacoma Without ETCS 8

THROTTLE BODY

1 article

• THROTTLE BODY 9

Tacoma With ETCS

1 article

• Tacoma With ETCS 12

IGNITION SYSTEMS

1 article

• IGNITION SYSTEMS

Knock Sensors

1 article

• Knock Sensors

EXHAUST GAS RECIRCULATION SYSTEM

1 article

• EXHAUST GAS RECIRCULATION SYSTEM

System Check (Camry & Camry Solara)

1 article

• System Check (Camry & Camry Solara)

EGR Gas Temperature Sensor (Camry & Camry Solara)

1 article

• EGR Gas Temperature Sensor (Camry & Camry Solara)

EGR Position Sensor (Camry & Camry Solara)

1 article

• EGR Position Sensor (Camry & Camry Solara) 5

EGR Vacuum Control Valve (Camry & Camry Solara)

1 article

• EGR Vacuum Control Valve (Camry & Camry Solara) 1

EGR Vacuum Switching Valve (Camry & Camry Solara)

1 article

• EGR Vacuum Switching Valve (Camry & Camry Solara) 1

EGR Valve (Camry & Camry Solara)

1 article

• EGR Valve (Camry & Camry Solara)

FUEL EVAPORATIVE SYSTEM

1 article

• FUEL EVAPORATIVE SYSTEM

Canister Closed Valve Vacuum Switching Valve (Avalon, Camry, Camry Solara, Highlander & Sienna)

1 article

• Canister Closed Valve Vacuum Switching Valve (Avalon, Camry, Camry Solara, Highlander & Sienna) 2

Canister Closed Valve Vacuum Switching Valve (Land Cruiser & Sequoia)

1 article

• Canister Closed Valve Vacuum Switching Valve (Land Cruiser & Sequoia) 1

Canister Closed Valve Vacuum Switching Valve (Tacoma)

1 article

• Canister Closed Valve Vacuum Switching Valve (Tacoma) 1

Canister Closed Valve Vacuum Switching Valve (Tundra & 4Runner)

1 article

• Canister Closed Valve Vacuum Switching Valve (Tundra & 4Runner) 1

Charcoal Canister (Avalon & Camry Solara)

1 article

• Charcoal Canister (Avalon & Camry Solara)

Charcoal Canister (Camry)

1 article

• Charcoal Canister (Camry) 2

Charcoal Canister (Highlander)

1 article

• Charcoal Canister (Highlander) 2

Charcoal Canister (Land Cruiser & Sequoia)

1 article

• Charcoal Canister (Land Cruiser & Sequoia)

Charcoal Canister (Sienna)

1 article

• Charcoal Canister (Sienna)

Charcoal Canister (Tacoma)

1 article

• Charcoal Canister (Tacoma)

Charcoal Canister (Tundra)

1 article

• Charcoal Canister (Tundra)

Charcoal Canister (4Runner)

1 article

• Charcoal Canister (4Runner) 3

Cut-Off Valve

1 article

• Cut-Off Valve

EVAP Vacuum Switching Valve (All Models)

1 article

• EVAP Vacuum Switching Valve (All Models) 5

Overfill Check Valve

1 article

• Overfill Check Valve

Pressure Switching Valve Vacuum Switching Valve (Avalon, Camry, Camry Solara, Highlander, Land Cruiser, Sequoia, Sienna & Tacoma)

1 article

• Pressure Switching Valve Vacuum Switching Valve (Avalon, Camry, Camry Solara, Highlander, Land Cruiser, Sequoia, Sienna & Tacoma) 2

Vapor Pressure Sensor (Avalon)

1 article

• Vapor Pressure Sensor (Avalon) 1

Vapor Pressure Sensor (Camry-Up To Jan. 2003 Production)

1 article

• Vapor Pressure Sensor (Camry-Up To Jan. 2003 Production) 2

Vapor Pressure Sensor (Camry-Jan. 2003 & Later Production)

1 article

• Vapor Pressure Sensor (Camry-Jan. 2003 & Later Production) 2

Vapor Pressure Sensor (Camry Solara)

1 article

• Vapor Pressure Sensor (Camry Solara) 1

Vapor Pressure Sensor (Highlander)

1 article

• Vapor Pressure Sensor (Highlander) 2

Vapor Pressure Sensor (Land Cruiser)

1 article

• Vapor Pressure Sensor (Land Cruiser) 1

Vapor Pressure Sensor (Sequoia)

1 article

• Vapor Pressure Sensor (Sequoia) 1

Vapor Pressure Sensor (Sienna)

1 article

• Vapor Pressure Sensor (Sienna) 1

Vapor Pressure Sensor (Tacoma)

1 article

• Vapor Pressure Sensor (Tacoma) 1

Vapor Pressure Sensor (Tundra 3.4L)

1 article

• Vapor Pressure Sensor (Tundra 3.4L) 1

Vapor Pressure Sensor (Tundra 4.7L)

1 article

• Vapor Pressure Sensor (Tundra 4.7L) 1

Vapor Pressure Sensor (4Runner 4.0L)

1 article

• Vapor Pressure Sensor (4Runner 4.0L) 1

Vapor Pressure Sensor (4Runner 4.7L)

1 article

• Vapor Pressure Sensor (4Runner 4.7L) 2

Avalon, Camry, Camry Solara, Highlander, Land Cruiser, Sequoia, Sienna, Tundra 4.7L & 4Runner

1 article

• Avalon, Camry, Camry Solara, Highlander, Land Cruiser, Sequoia, Sienna, Tundra 4.7L & 4Runner 3

Avalon, Camry Solara, Sienna & Tacoma Without ETCS

1 article

• Avalon, Camry Solara, Sienna & Tacoma Without ETCS 3

VARIABLE VALVE TIMING SYSTEM

1 article

• VARIABLE VALVE TIMING SYSTEM

Avalon, Camry, Highlander, Sienna & 4Runner 4.0L V6

1 article

• Avalon, Camry, Highlander, Sienna & 4Runner 4.0L V6

VARIABLE VALVE TIMING CAMSHAFT TIMING OIL CONTROL VALVE

1 article

• VARIABLE VALVE TIMING CAMSHAFT TIMING OIL CONTROL VALVE

Avalon, Camry (Jan. 2003 & Later Production), Highlander & Sienna

1 article

• Avalon, Camry (Jan. 2003 & Later Production), Highlander & Sienna 2

4Runner 4.0L V6

1 article

• 4Runner 4.0L V6 13