Diagramxpert - wiring diagram

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514 reviews
Content rating
Everyone
100K+
Downloads
Content rating
Everyone
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About this app

Diagramxpert: Electrical Diagrams & Technical Consultation Tools
Optimize your diagnostics and repairs with the most comprehensive workshop application. Diagramxpert combines a vast library of technical information with the power of Artificial Intelligence to provide precise solutions in seconds.
What will you find in Diagramxpert?
1. AI-Powered OBD2 Diagnostics Stop guessing! Our specialized AI analyzes fault codes (P0122, P0300, etc.) and provides a detailed technical report including:

Real meaning of the code based on make and model.

Common causes specific to your vehicle.

Step-by-step diagnostic guide to fix the root cause.
2. Automotive Diagrams Library Access thousands of electrical diagrams and technical guides from the market's leading brands. Designed to be clear and easy to interpret directly from your device.
3. Technical & Mechanical Converters Integrated precision tools to facilitate your daily workflow:

Unit Converter: Millimeters (mm) to decimal inches and mechanical fractions (ideal for socket and wrench selection).

Pressure & Torque: Convert PSI to Bar, Nm to Foot-pounds, and more.

Temperature & Vacuum: Everything you need for precise engine tuning.
4. Workshop Equivalency Table Quick reference for socket and wrench sizes (Metric vs. SAE). Never hesitate again about which tool to use on a specific bolt.
Main Features:

Multilingual AI: Perform your queries in Spanish or English with correct technical terminology.

Favorites: Save your most-used diagrams in the bookmarks section for quick access.

Constant Updates: New content and AI improvements added regularly.

Premium Mode: Enjoy an uninterrupted experience and unlimited access.
Whether you are a professional mechanic, an automotive engineering student, or a DIY enthusiast, Diagramxpert is the technical assistant you need in your pocket.
Automotive diagrams, and mechanic technical tools, AI-powered OBD2 codes
Updated on
Sep 4, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    App info and performance and Device or other IDs
  • This app may collect these data types
    Personal info
  • Data isn’t encrypted
  • You can request that data be deleted

Ratings and reviews

471 reviews
David Warner
August 17, 2026
Only has some diagrams, worth checking though
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Mike Rice
March 15, 2026
I'm a real certified tech. I use all data and identifix everyday. But I have to run back and forth to my computer to get the diagrams. This app has helped alot. they don't have all wiring for every car but they add new stuff everyday. And for being free it is awesome love this app thanks Mike
4 people found this review helpful
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Works Apps
March 15, 2026
Thank you for your comment, it makes us very happy and motivates us to keep improving
Aziz Faiz
July 14, 2026
it's very helpful for me thank you diagram expert
1 person found this review helpful
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What’s new

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