Removal and installation the junction box in the left side of the engine compartment
Instructions: Currently, only the "Low" version of the switching unit is installed in the Tiguan. The following images show the "High" version. Removal and installation of the "Low" version unit is carried out in a similar manner.
Disconnect the battery. Move the safety clip "1" in the direction of the arrow and remove the cover of the switching unit "2" upwards.
Unscrew the hex nuts "1". Open the "arrows" of the cover "2" of the cable guides on the switching unit. Remove the cables from the connecting bolts. Unclip the cables from their guides.
Unscrew the central fastening screw "arrow" of the switching unit "1".
Instructions: When unscrewing the central fastening screw "arrow", the switching unit "1" will be pressed upwards from the switching unit holder.
Remove the switching block "1" from its holder upwards.
To remove the housing with surface contacts, you need to remove the air filter (only for vehicles with diesel engines), battery and its holder.
Cars with diesel engine
Remove the air filter housing.
All
Remove the battery.
Unscrew the fastening screws "arrows" of the battery holder "1". Remove the battery holder "1" from the car.
Release the pads on the holder of the switching unit "arrow B" and remove the housing with surface contacts, moving the housing "1" to the side "arrow A", from the holder of the switching unit. Unscrew the fastening nuts "arrow" of the holder of the switching unit "1".
Instructions: The presence of an additional relay block depends on the vehicle configuration.
Pull the holder of the switching unit "1" up from the spacer bolt as far as the length of the cables of the additional relay unit allows. Unclip the additional relay unit "1" from the side of the holder of the switching unit "2". Remove the holder of the switching unit "2" from the car.
Installation is carried out in the reverse order. Connect wires "1" in accordance with the marking when removing the accessory from the switching unit. Tighten the threaded connections with the prescribed tightening torques: fastening nuts "1" M5 (by 8): 4.5 Nm fastening nuts "1" M6 (by 10): 6 Nm.
Place cover "2" on the switch unit and move the safety clip "1" in the -direction of the arrow- until cover "2" locks into place.
Instructions: Try to check the correct fixation of cover "2" of the switching unit.
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