TECHNICAL ARTICLES ON TOYOTA ENGINE SYSTEMS
EXTENSIVE AUTOMOTIVE INFORMATION LINKS
Q: Where can I find technical information on my EGR system? I want to modify it and I'd better understand what's going on there first.
A: A good source of technical articles and automotive information links is Kevin Sullivan's Autoshop 101 site:
http://www.autoshop101.com/
Here are the titles of his technical articles followed by direct links to the articles:
Technical Articles
Toyota Series - Electrical
Electrical Fundamentals with questions.pdf
http://www.autoshop101.com/forms/h1.pdf
Electrical Circuits with questions.pdf
http://www.autoshop101.com/forms/h2.pdf
Electrical Components with questions.pdf
http://www.autoshop101.com/forms/h3.pdf
Analog vs Digital Meters with questions.pdf
http://www.autoshop101.com/forms/h4.pdf
Wire, Terminal and Connector Repair w/qu.pdf
http://www.autoshop101.com/forms/h5.pdf
Automotive Batteries with questions.pdf
http://www.autoshop101.com/forms/h6.pdf
Toyota Starting Systems with questions.pdf
http://www.autoshop101.com/forms/h7.pdf
Toyota Charging Systems with questions.pdf
http://www.autoshop101.com/forms/h8.pdf
Understanding Toyota Wiring Diagram.pdf
http://www.autoshop101.com/forms/h09e.pdf
Electrical Diagnostic Tools.pdf
http://www.autoshop101.com/forms/h10e.pdf
Diagnosing Body Electrical Problems.pdf
http://www.autoshop101.com/forms/h11e.pdf
Semiconductors with questions.pdf
http://www.autoshop101.com/forms/h12.pdf
Transistors with questions.pdf
http://www.autoshop101.com/forms/h13.pdf
Computers / Logic Gates with questions.pdf
http://www.autoshop101.com/forms/h14.pdf
Overview of Sensors & Actuators w/quest.pdf
http://www.autoshop101.com/forms/h15.pdf
Electronic Transmission #1 - Operation.pdf
http://www.autoshop101.com/forms/h16.pdf
Electronic Transmission #2 - Diagnosis w/quest.pdf
http://www.autoshop101.com/forms/h17.pdf
Shift Interlock System.pdf
http://www.autoshop101.com/forms/h18.pdf
Technical Articles
Toyota Series - Engine Performance OBDI (pre-1996 5S-FE/3S-FE and pre-1994 V6)
EFI#1 EFI System Overview.pdf
http://www.autoshop101.com/forms/h20.pdf
EFI#2 Air Induction System.pdf
http://www.autoshop101.com/forms/h21.pdf
EFI#3 Fuel Delivery & Injection Controls.pdf
http://www.autoshop101.com/forms/h22.pdf
EFI#4 Ignition System.pdf
http://www.autoshop101.com/forms/h23.pdf
Engine Controls #1 - Input Sensors.pdf
http://www.autoshop101.com/forms/h24.pdf
Engine Controls #2 - ECU/Outputs.pdf
http://www.autoshop101.com/forms/h25.pdf
Engine Controls #3 - Idle Speed Control.pdf
http://www.autoshop101.com/forms/h26.pdf
Engine Controls #4 - Diagnosis.pdf
http://www.autoshop101.com/forms/h27.pdf
Technical Articles
Toyota Series - Engine Performance OBD-II (1996 and newer 5S-FE, and '94 and newer 1MZ-FE)
Sensors#1 - Mode Sensors and Switches.pdf
http://www.autoshop101.com/forms/h31.pdf
Sensors#2 - Thermistors with questions.pdf
http://www.autoshop101.com/forms/h32.pdf
Sensors#3 - Position Sensors with questions.pdf
http://www.autoshop101.com/forms/h33.pdf
Sensors#4 - Air Flow Sensors with questions.pdf
http://www.autoshop101.com/forms/h34.pdf
Sensors#5 - Pressure Sensors with questions.pdf
http://www.autoshop101.com/forms/h35.pdf
Sensors#6 - Speed Sensors with questions.pdf
http://www.autoshop101.com/forms/h36.pdf
Sensors#6 - Oxygen / Air Fuel Sensors w/ques.pdf
http://www.autoshop101.com/forms/h37.pdf
Sensors#8 - Knock Sensors with questions.pdf
http://www.autoshop101.com/forms/h38.pdf
Ignition#1 - Ignition Overview w/questions.pdf
http://www.autoshop101.com/forms/h39.pdf
Ignition#2 - Electronic Spark Advance w/quest.pdf
http://www.autoshop101.com/forms/h40.pdf
Ignition#3 - Distributor / Distributorless w/qu.pdf
http://www.autoshop101.com/forms/h41.pdf
Fuel System#1 - Overview with questions.pdf
http://www.autoshop101.com/forms/h42.pdf
Fuel System#2 - Injection Duration w/ques.pdf
http://www.autoshop101.com/forms/h43.pdf
Fuel System#3 - Closed Loop /Fuel Trim w/qu.pdf
http://www.autoshop101.com/forms/h44.pdf
OBDII#1 - Overview of On-Board Diagnostics.pdf
http://www.autoshop101.com/forms/h46.pdf
OBDII#2 - Serial Data.pdf
http://www.autoshop101.com/forms/h47.pdf
OBDII#3 - Data Interpretation.pdf
http://www.autoshop101.com/forms/h48.pdf
Emission#1 - Chemistry of Combustion.pdf
http://www.autoshop101.com/forms/h55.pdf
Emission#2 - Emission Analysis.pdf
http://www.autoshop101.com/forms/h56.pdf
Emission#3 - Engine Sub Systems.pdf
http://www.autoshop101.com/forms/h57.pdf
Emission#4 - Closed Loop Feedback Systems.pdf
http://www.autoshop101.com/forms/h58.pdf
Emission#5 - Electronic Spark Advance.pdf
http://www.autoshop101.com/forms/h59.pdf
Emission#6 - Idle Speed Control Systems.pdf
http://www.autoshop101.com/forms/h60.pdf
Emission#7 - Exhause Gas Recirculation.pdf
http://www.autoshop101.com/forms/h61.pdf
Emission#8 - Evaporative Emission Control.pdf
http://www.autoshop101.com/forms/h62.pdf
Emission#9 - Positive Crankcase Ventilation.pdf
http://www.autoshop101.com/forms/h63.pdf
Emission#10 - Catalytic Converter.pdf
http://www.autoshop101.com/forms/h64.pdf
Emission#11 - Secondary Air.pdf
http://www.autoshop101.com/forms/h65.pdf
Don't ignore the information and links in the "Automotive Links" section. Also, the "Online Bookstore" is useful if you want to get ASE certified.