Audi Q7 Owners & Service Manuals

Audi Q7: Adaptive Cruise Control

Component Location Overview - Adaptive Cruise Control (ACC)

Adaptive Cruise Control

1 - Baseplate

  • Removing and installing. Refer to → Chapter "Retaining Plate for Distance Regulation Control Modules -J428-/-J850-, Removing and Installing".

2 - Clip

  • Closed version
  • Cannot be removed without being damaged
  • Note the installation location.

3 - Bolt

  • 2.5 Nm
  • Quantity: 3

4 - Clip

  • Open version
  • Cannot be removed without being damaged

5 - Stud Bolt

  • Quantity: 3
  • Note the adjustment dimension.

6 - Clip

  • Quantity: 3
  • Must be replaced when the stud bolt is removed
  • Replacing. Refer to → Chapter "Distance Regulation Control Module -J428- Clip, Replacing".

7 - Distance Regulation Control Module

  • Right: Distance Regulation Control Module -J428-
  • Left: Distance Regulation Control Module 2 -J850-
  • Removing and installing. Refer to → Chapter "Distance Regulation Control Modules -J428-/-J850-, Removing and Installing".
  • Calibrate the adaptive cruise control. Refer to → Suspension, Wheels, Steering; Rep. Gr.44; Adaptive Cruise Control (ACC); Adaptive Cruise Control (ACC), Adjusting.

8 - Operating Lever for Adaptive Cruise Control

  • Shared component with the steering column switch module. Cannot be replaced separately
  • Removing and installing. Refer to → Chapter "Steering Column Switch Module, Removing and Installing".

9 - Instrument Cluster

  • With Instrument Cluster Control Module -J285-

10 - Front Bumper

11 - Clip

  • Open version
  • Cannot be removed without being damaged

Control Module for Adaptive Cruise Control, Removing and Installing

Distance Regulation Control Modules -J428-/-J850-, Removing and Installing

- If replacing the control module, select the "Replace control module" function for the corresponding control module on the Vehicle Diagnostic Tester.

Removing

- Remove the air intake grille. Refer to → Body Exterior; Rep. Gr.63; Front Bumper; Attachments, Removing and Installing.

- Remove the bolts -1, 3 and 5-.

- Remove the retaining plate -2- with the distance regulation control module from the baseplate -4-.

- Clean and dry the area around the control module connector.

- Disconnect the connector -6-.

A27-10552

Installing

Install in the reverse order of removal while noting the following:

- Check the connector for damage, contact corrosion and water ingress, and service if necessary. Refer to → Electrical Equipment General Information; Rep. Gr.97; Wiring Harness and Connector Repairs.

- Calibrate the adaptive cruise control (ACC). Refer to → Suspension, Wheels, Steering; Rep. Gr.44; Adaptive Cruise Control (ACC).

Tightening Specifications

  • Refer to → Chapter "Component Location Overview - Adaptive Cruise Control (ACC)"

Retaining Plate for Distance Regulation Control Modules -J428-/-J850-, Removing and Installing

Special tools and workshop equipment required

  • Digital Caliper -VAS6335-

Removing

- Remove the distance regulation control module. Refer to → Chapter "Distance Regulation Control Modules -J428-/-J850-, Removing and Installing".

- Place the control module on a soft and clean surface.

- Destroy the clips -arrows-.

- Remove the retaining plate -2- from the Distance Regulation Control Module -J428--1-.

A27-10568

Installing

Install in the reverse order of removal while noting the following:

- Insert the new clips until they engage in the retaining plate.

- Left side of the vehicle: The closed clip -1- must be seated on the bracket -2- below on the inside.

A27-10570

- Right side of the vehicle: The closed clip -1- must be seated on the bracket -2- below on the outside.

A27-10571

- Measure the dimension -a- at all stud bolts using the Digital Caliper -VAS6335- and correct if necessary.

  • Dimension -a- = 17.6 mm.

- Install the retaining plate with the stud bolts on the control module.

  • The stud bolt must be aligned correctly to the clip.

A27-10569

- Push the stud bolt -1- all the way in the clip -2- as shown.

A27-10572

Distance Regulation Control Module -J428- Clip, Replacing

The clips cannot be removed without being damaged.

Procedure

  • Distance Regulation Control Module -J428- removed from the retaining plate.

- Place a screwdriver between the hook and the housing.

- Bend every hook all the way around with the screwdriver until it audibly breaks off.

- To prevent the broken hook from getting caught on the housing, remove it from the inside of the clip using needle nose pliers.

A44-10196

- Insert the new clip in the hole in the housing, as shown and push in by hand until it clicks into place.

  • The tabs on the clip must sit correctly in the recesses.

- Install the stud bolt.

  • The stud bolt must be aligned correctly to the clip.

A44-10197

- Turn the stud bolt into the distance regulation control module up to the dimension -a-.

- Measure the dimension -a- at all stud bolts using the Digital Caliper -VAS6335- and correct if necessary.

  • Dimension -a- = 17.6 mm.

A27-10569

Special Tools

Special tools and workshop equipment required

  • Digital Caliper -VAS6335-

    READ NEXT:

     Instruments

     Overview - Instrument Cluster

    1 - Bolt 3 Nm Quantity: 2 2 - Instrument Cluster - Low With Instrument Cluster Control Module -J285- Do not disassemble If an LED for the indicator lamps or instrument cl

     Instrument Cluster with Instrument Cluster Control Module -J285-, Removing and Installing

    Instrument Cluster with Instrument Cluster Control Module -J285-, Removing and Installing, Low Instrument Cluster Special tools and workshop equipment required Fiber-Optic Repair Set - Connector P

    SEE MORE:

     Component Location Overview - Seat Belts and Mounting Points

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     Automatic Dimming Function, Switching On and Off

    - By briefly pressing the button -2- (less than three seconds), the automatic dimming function is switched on or off automatically. Automatic dimming "ON": the lamp in the display -1- turns on. Automatic dimming "OFF": the lamp in the display -1- turns off. Automatic dimming function is act

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