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

Removing 

• Remove rubber seal for plenum chamber cover.

Fig 1: Identifying Plenum Chamber Cover & Removing Rubber Seal

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Remove plenum chamber cover -1- toward front -arrows-.

Fig 2: Removing Securing Clips And Cowl

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Use a screwdriver to pry off the two caps -3-.
• Loosen hex nuts -4- by several turns.
• Loosen wiper arm -2- from wiper shaft by lightly tilting.
• Remove hex nuts completely and remove wiper arms.

• Disconnect securing clips -1- and remove cowl panel grill -5-.

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

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Remove cover for E-box, plenum chamber -arrows-.

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

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Using a screwdriver, pry off retaining bracket -arrow-.
• Set aside Engine Control Module (ECM) with cables connected.
• Unclip Transmission Control Module (TCM) retaining bar.
• Set aside Transmission Control Module (TCM) with cables connected.

Fig 5: Locating Auxiliary Relay Carrier Catches

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Disengage catches -arrows- and remove auxiliary relay carrier in E-Box toward top.
• Unclip fuse carrier at 4-way relay carrier.
• Remove relays, control modules, and then unclip appropriate relay carrier.

NOTE:

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

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Check the exact assignment of 4-way relay carrier, E-Box plenum chamber in the current wiring diagram.

Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations

Installing 

Installation is reverse of removal, paying attention to the following: