4-way relay carrier in electronics box in plenum chamber, removing and installing

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Removing

CAUTION:

Switch off all electrical consumers.
Switch ignition off and remove ignition key.

Fig 1: Identifying Plenum Chamber Cover & Removing Rubber Seal

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove rubber seal of plenum chamber cover in direction of - arrow -.
Remove plenum chamber cover - 1 - to front.

Fig 2: Removing Securing Clips And Cowl

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Use screwdriver to pry off the two caps - 3 -.
Loosen nuts - 4 - (do not remove).
Remove wiper arms - 2 - from wiper shaft by tilting slightly.
Remove nuts completely and remove wiper arms.

Pull off retaining clips - 1 - and detach cowl panel grille - 5 -.

Fig 3: Removing Screws And Cover From E-Box In Plenum Chamber

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove cover for electronics box in plenum chamber - arrows -.

Fig 4: Using Screwdriver To Remove Retainer Bar And Engine Control Module (ECM) J623

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Use screwdriver to pry off retaining strap - arrows -.
Lay aside engine control module with wires attached.
Where applicable, release the retaining clip for the transmission control module.
Lay aside transmission control module with wires attached.

Fig 5: Releasing Retaining Clips And Lifting Auxiliary Relay Carrier Out Of Electronics Box

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Release retaining clips - arrows - and lift auxiliary relay carrier out of electronics box.
Unclip the fuse carriers at the 4-position relay carrier.
Remove relays and control modules and then unclip appropriate relay carrier.

Fig 6: Removing Motronic Engine Control Module (ECM) Power Supply Relay J271 From E-Box

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

NOTE:

Refer to the applicable wiring diagram for exact identification of connections on electronics box Wiring Diagrams.

Installing

Install in reverse order of removal.