Engine Control Module -J623-: Overview

Conditions 

• Ignition is turned off.

Removing 

-- Remove the E-box cover inside the engine compartment -arrows-.

Fig 1: Identifying Engine Control Module (E-Box) Cover

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

ECM with Anti-Theft Protection

Fig 2: Identifying Connectors, Bolts, Bracket And Locking Mechanism

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the shear bolts -2-.

-- Remove the locking mechanism bracket -5-.

-- Disconnect the connectors -1 and 3- from the ECM.

-- Remove the shear bolts -6- and the lock mechanism bracket -4-.

ECM without Anti-Theft Protection

Fig 3: Identifying ECM, Screwdriver And Side Guides

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Disconnect the connectors -1 and 3- from the ECM.

Continuation for all Vehicles

-- Push the tabs on the side guides -3- carefully toward the outside with a screwdriver -2-.

-- Remove the ECM -1- from the guides -3-.

Installing 

-- Install the ECM -1- into the guides -3- until it locks.

Fig 4: Identifying ECM, Screwdriver And Side Guides

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

ECM with Anti-Theft Protection

Fig 5: Identifying Connectors, Bolts, Bracket And Locking Mechanism

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- At Tach the locking mechanism bracket -4- to the ECM with the shear bolts -6-.

-- Install the shear bolts until the bolt heads break off.

-- Connect the connectors -1 and 3- to the ECM.

-- Install the locking mechanism bracket -5- with the shear bolts -6-.

-- Install the shear bolts until the bolt heads break off.

ECM without Anti-Theft Protection

-- Connect the connectors -1 and 3- to the ECM.

Continuation for all Vehicles

Fig 6: Identifying Engine Control Module (E-Box) Cover

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the E-box cover -arrows-.