Search our extensive database by year, make and model to locate OE manufacturer-defined procedures, wiring diagrams and specifications. An essential garage tool, this proprietary information will help you complete any job ahead of schedule. Over 350,000 OEM technical service bulletins (TSBs), 90,000 wiring diagrams and 44 categories of vehicle specifications with just a few clicks of your mouse.
Search Best Practices
Search this library by vehicle systems or product for up-to-date inspection procedures, vehicle specifications and proven diagnostic procedures. Take the guesswork out of your day and save time with our best practices.
Search Tech Tips
Search by vehicle make and model for tips and short cuts to not only do the job faster, but better. Gather insight into customer complaints and pick up helpful tips to address vehicle issues more efficiently.
Browse DENSO Technology News
Catch up on cutting-edge information and articles to stay on top of the latest components and systems from DENSO's research department. Technology News articles give you a glimpse of some of the newest systems and technology in today’s and tomorrow’s automobiles.
Check Basic Technology
Use our Basic Technology articles to brush up on the fundamentals of various automotive parts and their function within vehicles. Enhanced with clear diagrams, our informational articles will give you everything you need to familiarize yourself with major components.
Review Auto Sensors with Making Sense!
Use this comprehensive collection as a guide to the fundamentals of automotive sensors. Covering all types of sensors, these articles describe the function, location and configuration of each part.
Use the SAE Generic P-Series Diagnostic Trouble Codes for common symptoms and corrections.
Find a Training Seminar
Discover upcoming advanced-level technical training in your area and catch up on the most current automotive diagnostic and repair strategies from top-notch DENSO instructors, who are ASE-certified master technicians.
Search Parts Installation Guides
Search by product type, make, model and year and find step-by-step instructions to make your next installation quick and efficient.
Search Tech FAQs
Search by part, make, model and year and find essential answers to our most commonly asked questions.
The DENSO Parts Professional Premium online resource is designed with the small- to medium-sized independent repair facilities in mind. It gives you the same vital information dealerships have at hand.
Parts Professional Basic Library
: FREE
The DENSO Parts Professional Basic online resource was created to help keep technicians on top of the latest information and opportunities in their field.
A/C Components
