Overview - MECHATRONIC Circuit Boards

Fig 1: Mechatronic Circuit Boards Overview

Courtesy of AUDI OF AMERICA, LLC

1. DSG Transmission Mechatronic -J743-
   • Removing and installing. Refer to MECHATRONIC, REMOVING AND INSTALLING .
     • Perform "Guided Functions  " using the Vehicle Diagnostic Tester after replacing the DSG Transmission Mechatronic -J743-.
2. Protector
   • Cross-shaped
   • Quantity: 2
   • For Sub-Transmission 1 Valve 3 -N435- and Sub-Transmission 2 Valve 3 -N439-
   • Install also in a transmission that does not have a protector
3. Protector
   • Rectangular
   • Quantity: 4
   • For the Sub-Transmission 1 Valve 4 -N436-, Sub-Transmission 2 Valve 4 -N440-, Cooling Oil Valve -N471-, Main Pressure Valve -N472-
   • Install also in a transmission that does not have a protector
4. Circuit Board 1
   • Removing and installing. Refer to MECHATRONIC CIRCUIT BOARD, REMOVING AND INSTALLING .
   • The contact springs on the circuit board can be connected one time only. A circuit board cannot be used again once it has been removed.
5. Bolt
   • Tightening specification and sequence. Refer to Fig 2
6. Connector
   • Use a 3.5 mm screwdriver to unlock the connector. Refer to REMOVING  (See Figure).
7. Circuit Board 2
   • Removing and installing. Refer to MECHATRONIC CIRCUIT BOARD, REMOVING AND INSTALLING .
   • The contact springs on the circuit board can be connected one time only. A circuit board cannot be used again once it has been removed.
8. Bolt
   • Tightening specification and sequence. Refer to Fig 3
9. Connector
   • Use a 3.5 mm screwdriver to unlock the connector. Refer to REMOVING  (See Figure).

Fig 2: Circuit Board 1 - Tightening Specification And Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts to 3 Nm in the following sequence: -1 to 5-.

Fig 3: Circuit Board 2 - Tightening Specification And Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts to 3 Nm in the following sequence: -1 to 5-.