Wiring Diagram Car 4.0

This application presents a comprehensive collection of service manuals, circuit diagrams, and wiring schematics specifically designed for American and European cars. It serves as a valuable resource for automotive technicians, particularly those working with high-end luxury vehicles.

The application's wiring diagrams offer significant insights into automotive electrical systems, making it an ideal tool for individuals with a keen interest in electrical engineering within the automotive sector. As vehicles become increasingly sophisticated, the relevance of detailed wiring diagrams cannot be overstated; they play a crucial role in diagnosing and resolving various electrical issues.

Below is an overview of the sections included in the application:

1. Starting & Charging System
   • Battery, Starter Motor, Generator & NSBU Switch Circuit (Diesel/Gasoline)
   • Ignition Switch Circuit
   • Power Mode Circuit
2. Engine Control Module (ECM)
   • Battery Power Supply, Ground, EI System, Generator & CKP Sensor Circuit
   • Fuel Pump, Injector & Heated O2 Sensor Circuit
   • ETC Module, Various Sensors (MAP, ECT, Knock), Oil Pressure Switch & LEGR Circuit
   • EVAP Canister Purge Solenoid, Additional Sensors & Clutch Switch Circuit
   • Brake Switch, Backup Switch & NSBU Switch Circuit
   • DLC (Data Link Connector) Circuit
3. Transmission Control Module (TCM)
   • Power Supply, Ground, Brake Switch & Solenoid Valve Circuit
   • Sensors (Input Speed, Output Speed), NSBU Switch & High-Speed CAN Circuit
   • Gear Shift Lever & Winter Mode Switch Circuit
4. Body Control Module (BCM)
   • Power Supply, Ground, Ignition Switch Circuit
   • Head Lamp, Illumination & Fog Lamp Circuits
   • Interior Lamp, Backup Lamp & various switch circuits
5. Air Conditioning Systems
   • A/C Control Switch & Blower Motor Circuit
   • Automatic Temperature Control Systems including various sensors and motors
6. Additional Circuits
   • Radiator Cooling Fan Circuit (Diesel/Gasoline)
   • Head Lamp and Illumination Circuits with manual and automatic options
   • Wiper Circuits for front and rear wipers

This application can be downloaded freely and may prove to be a useful tool for automotive professionals and enthusiasts alike.