Automatic transmission electrical diagram for Volkswagen Golf 3

General information

* The automatic transmission on the Golf 3 was controlled by an electronic transmission control module (TCM).
* The TCM interacts with various sensors and solenoids to ensure proper transmission operation.
* The electrical circuit of an automatic transmission is complex and requires special knowledge to understand and troubleshoot.

Scheme

The attached diagram is a simplified representation of the automatic transmission electrical circuit for the Golf 3. It includes the main components and connections.

[Electric circuit diagram of automatic transmission Golf 3]

Components

* Electronic Transmission Control Module (TCM): Controls the operation of the automatic transmission based on signals from sensors.
* Gear selector position sensor (PRNDL): Detects the position of the gear selector and transmits information to the TCM.
* Input Shaft Speed ​​Sensor (ISS): Measures the speed of rotation of the automatic transmission input shaft.
* Output Shaft Speed ​​Sensor (OSS): Measures the speed of rotation of the automatic transmission output shaft.
* Engine Speed ​​Sensor (RPM): Measures engine speed.
* Shift Solenoids: Controls hydraulic pressure to shift gears.
* Torque Converter Lockup Solenoid: Controls torque converter lockup for improved efficiency.
* Battery: Provides power to the system.

Connections

* The components are connected by wire harnesses.
*Wiring harnesses have connectors to connect to components.
* The diagram shows the main connections between components.

Note:

This is just a simplified representation of the automatic transmission wiring diagram for the Golf 3. For more detailed and accurate information, please refer to the repair manual for your specific vehicle.

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