Audi Q7 Owners & Service Manuals

Audi Q7: Trailer Hitch

Component Location Overview - Trailer Hitch

Component Location Overview - Trailer Hitch

1 - Towing Recognition Control Module -J345-

  • Overview. Refer to → Chapter "Overview - Trailer Hitch".
  • Removing and Installing. Refer to → Chapter "Towing Recognition Control Module -J345-, Removing and Installing".

2 - Frame

  • For Towing Recognition Control Module -J345-

3 - Information Label

  • On the left side of the body at the rear

4 - Power Pivoting Trailer Hitch Button -E474-

  • Component Location Overview. Refer to → Electrical Equipment; Rep. Gr.96; Controls; Component Location Overview - Luggage Compartment Controls

5 - Trailer Hitch Bend Angle Sensor -G820-

  • Overview. Refer to → Chapter "Overview - Trailer Hitch".
  • Removing and Installing. Refer to → Chapter "Trailer Hitch Bend Angle Sensor -G820-, Removing and Installing".

6 - Trailer Socket -U10-

  • Overview. Refer to → Chapter "Overview - Trailer Hitch".
  • Removing and installing. Refer to → Electrical Equipment General Information; Rep. Gr.96; Trailer Hitch.

7 - Connector

  • For Trailer Hitch Bend Angle Sensor -G820-

Overview - Trailer Hitch

Overview - Trailer Hitch

1 - Trailer Hitch

  • Component Location Overview. Refer to → Chapter "Component Location Overview - Trailer Hitch".
  • Only removable with the impact member
  • Removing and Installing. Refer to → Chapter "Impact Member, Removing and Installing, Vehicles with Trailer Hitch".

2 - Trailer Socket -U10-

  • Removing and installing. Refer to → Electrical Equipment General Information; Rep. Gr.96; Trailer Hitch.

3 - Ring on Trailer Hitch Bend Angle Sensor -G820-

  • Removing and Installing. Refer to → Chapter "Trailer Hitch Bend Angle Sensor -G820-, Removing and Installing".

4 - Trailer Hitch Bend Angle Sensor -G820-

  • Removing and Installing. Refer to → Chapter "Trailer Hitch Bend Angle Sensor -G820-, Removing and Installing".

5 - Towing Recognition Control Module -J345-

  • Removing and Installing. Refer to → Chapter "Towing Recognition Control Module -J345-, Removing and Installing".

Trailer Hitch Bend Angle Sensor -G820-, Removing and Installing

Ring on Trailer Hitch Bend Angle Sensor -G820-, Removing and Installing

Removing

- Push the ring covering -1- at the separating point -arrow A- to the side and release the locking mechanism -2-.

- Open the ring at the separating point -arrow A- and remove it from the ball head -5-.

A66-11744

Installing

Install in reverse order of removal and note the following:

  • The smaller ring diameter must face upward.
  • The ring locking mechanism must engage audibly.

Trailer Hitch Bend Angle Sensor -G820-, Removing and Installing

Removing

- Remove the ring on Trailer Hitch Bend Angle Sensor -G820-.

- Disconnect the cable tie -3- along the connector -4-.

- Disconnect the connector -4- and disconnect the wires near the housing -arrow B-.

A66-11744

- Turn the bend angle sensor -1- 90º -arrow A- and pull it with the wire out of the ball head -2- for the trailer hitch -arrow B-.

A66-11745

Installing

Install in reverse order of removal and note the following:

  • The bend angle sensor must rest flush with the ball head.

- Crimp the wires. Refer to → Electrical System General Information; Rep. Gr.97; Wiring Harness and Connectors, Repairing.

Connector Assignment on Connector Housing for Trailer Hitch Bend Angle Sensor -G820-

  • Pin 1: red
  • Pin 2: black
  • Pin 3: yellow

Towing Recognition Control Module -J345-, Removing and Installing

Removing

- Remove the luggage compartment left trim panel. Refer to → Body Interior; Rep. Gr.70; Luggage Compartment Trim Panels; Luggage Compartment Side Trim Panel, Removing and Installing.

- Release the retainers -arrows- and remove the towing recognition control module -1- from the frame -2-.

- Disconnect the connectors -3 through 6-.

A96-11405

Installing

Install in reverse order of removal and note the following:

  • If the control module is being replaced, the "Replace control module" function for the respective control module must be selected. Use the → Vehicle diagnostic tester, Diagnose.

Special Tools

Special tools and workshop equipment required

  • Engine/Gearbox Jack - Gearbox Support -T10337-

W00-10418

  • Wedge Set -T10383-

W00-11251

  • Socket - Torx T50 -T10470-

W00-10985

  • Double Suction Lifter -VAG1344-

W00-0530

  • Wiring Harness Repair Set - Hot Air Blower -VAS1978/14A-

W00-11403

  • Container of the Coolant Collection System -VAS5014- or the Shop Crane - Drip Tray -VAS6208-

W00-11209

  • Engine Bung Set -VAS6122-

W00-11228

  • Hose Clip Pliers -VAS6340-

W00-11220

  • Angled Screwdriver -VAS6416-

W00-10739

  • Engine and Gearbox Jack -VAS6931-

W00-11607

  • Hose Clamps - Up To 25 mm -3094-

W00-11130

  • Roller -3356-

W00-0202

  • Trim Removal Wedge -3409-
  • Hand drill
  • 5 mm drill bit

W00-11118

Revision History

DRUCK NUMBER: A005A011121

Revision History

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     Body  Interior

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    Overview - Exterior Rearview Mirror 1 - Mirror Trim Removing and Installing. Refer to → Chapter "Mirror Trim, Removing and Installing". 2 - Bolt 1.5 Nm 3 - Mirror Adjusting Unit Removing and Installing. Refer to → Chapter "Mirror Adjusting Unit,

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