Here is a list of some original diagnostic tools for cars, commonly used by manufacturers for specific vehicle brands:

1. OBD-II (On-Board Diagnostics II) – Standardized tool used across most cars for diagnostics and emissions testing.

2. Techstream – Toyota's official diagnostic tool.

3. VAS 6154 – Volkswagen and Audi’s official diagnostic system.

4. BMW ISTA/D (Integrated Service Technical Application - Diagnostic) – BMW's original diagnostic software.

5. Mercedes-Benz Star Diagnostic (SD Connect C4/C5) – Official tool for Mercedes-Benz diagnostics.

6. Honda HDS (Honda Diagnostic System) – Honda's official tool.

7. Ford IDS (Integrated Diagnostic System) – Ford’s diagnostic tool.

8. GM Tech 2 – General Motors’ official diagnostic scanner.

9. Consult III Plus – Nissan’s diagnostic system.

10. Jaguar Land Rover (JLR) SDD – Diagnostic tool for Jaguar and Land Rover.

These tools allow technicians to diagnose, program, and perform maintenance on vehicles accurately and efficiently.