Audi A4: Dynamic Steering
Overview - Dynamic Steering
1 - Steering Gear
- with Power Steering Control Module -J500-
2 - Electromechanical Power Steering Motor -V187-
- Steering column component
- Do not disconnect or loosen from the steering column
- Replace the steering column if faulty. Refer to
→ Chapter "Steering Column, Removing and Installing".
3 - Steering Column
- Overview. Refer to
→ Chapter "Overview - Steering Column".
- Perform the basic setting after replacing. Refer to
→ Chapter "Dynamic Steering Basic Setting"
4 - Active Steering Safety Lock Actuator -F437-
- Removing and installing. Refer to
→ Chapter "Active Steering Safety Lock (Locking Solenoid), Removing and
Installing".
5 - Active Steering Control Module -J792-
- Component location: in front of the driver seat
- Removing and installing. Refer to
→ Chapter "Active Steering Control Module -J792-, Removing and
Installing".
- Perform the basic setting after replacing. Refer to
→ Chapter "Dynamic Steering Basic Setting"
6 - Bolt
7 - Nut
8 - Bracket
- For the Active Steering Control Module -J792-
Active Steering Control Module -J792-, Removing and Installing
Special tools and workshop equipment required
- Torque Wrench 1783 - 2-10Nm -VAG1783-
Removing
- Remove the footrest. Refer to
→ Body Interior; Rep. Gr.70; Vehicle Interior Trim Panels;
Footrest, Removing and Installing.
- Remove the A-pillar lower trim panel. Refer to
→ Body Interior; Rep. Gr.70; Vehicle Interior Trim Panels;
A-Pillar Trim Panel, Removing and Installing.
- Free up the left front carpet and lift up slightly.
- Remove the bolts -arrows- and
disconnect the connector -1-.
- Remove the Active Steering Control Module -J792--2-.
Installing
Install in reverse order of removal and note the following:
- Activate the control module after installing a new Active
Steering Control Module -J792-.
- Connect the Vehicle Diagnostic Tester.
- Switch the ignition on.
- Select and start the Diagnostic
operating mode.
- Select the Test plan tab.
- Select the Select individual test
button and select the following tree structure consecutively:
- Chassis
- Suspension control
- 01 - OBD-capable systems
- 1B - Active Steering Control Module J792
- 1B - Active Steering Control Module functions J792
- 1B - Replacing the control module
- Start the selected program and follow the instructions on
the Vehicle Diagnostic Tester display.
- The basic setting must be performed if the Active Steering
Control Module -J792- was replaced. Refer to
→ Chapter "Dynamic Steering Basic Setting".
Tightening Specifications
- Refer to
→ Chapter "Overview - Dynamic Steering"
Dynamic Steering Basic Setting
Special tools and workshop equipment required
- Vehicle Diagnostic Tester
- Wheel Alignment Computer
Requirements
- Steering Angle Sensor -G85- is calibrated. Refer to
→ Chapter "Steering Angle Sensor -G85- Basic Setting".
- There are no entries in the DTC memory for the Active
Steering Control Module -J792-.
Procedure
There are two choices for performing a basic setting on the
dynamic steering:
The "quick access"
Select this procedure for the following operations if only
the basic setting should be performed:
- The Steering Angle Sensor -G85- was calibrated.
- The Active Steering Control Module -J792- was replaced,
- The steering column was replaced.
- The steering wheel is crooked when driving straight.
The "complete alignment"
Select this procedure for the following operations if a
basic setting and a wheel alignment should be performed.
- The front axle toe was adjusted.
- The rear axle toe was adjusted.
- The Steering Angle Sensor -G85- was calibrated.
- The Active Steering Control Module -J792- was replaced,
- The steering column was replaced.
- The steering wheel is crooked when driving straight.
- The vehicle suspension was changed, for example changing
from standard to sport suspension.
Both procedures are programmed in the wheel alignment
computer.
- The respective procedure is performed automatically.
- It is only necessary to select the appropriate program for
the procedure that will be performed.
Preparation Work for Calibrating and Adjusting Driver Assist
Systems. Refer to
→ Chapter "Preparation Work for Calibrating and Adjusting Driver Assist
Systems".
- Select the basic setting procedure for dynamic steering in the
alignment computer.
- Install the quick-action clamps on all four wheels.
- Install the measurement sensors on the front and rear wheels.
- Perform wheel run-out compensation. Refer to
→ Chapter "Wheel Run-Out Compensation".
Note
- Disregard the steering wheel position when doing this.
- Only the display on the wheel alignment computer applies.
Perform any subsequent work using the
Vehicle Diagnostic Tester.
- Switch the ignition on.
- Select and start the Diagnostic
operating mode.
- Select the Test plan tab.
- Select the Select individual test
button and select the following tree structure consecutively:
- Chassis
- Steering
- 01 - OBD-capable systems
- 1B - Active Steering Control Module J792
- 1B - Active Steering Control Module functions J792
- 1B - Basic setting
- Start the selected program and follow the instructions on
the Vehicle Diagnostic Tester display.
READ NEXT:
Adaptive Cruise Control (ACC), Adjusting
Special tools and workshop equipment required
Vehicle Diagnostic Tester
Wheel Alignment Computer
Screwdriver with T-bar -VAS272001-, not illustrated
Setti
Driver Assistance Systems Front Camera, Calibrating
Special tools and workshop equipment required
Vehicle Diagnostic Tester
Wheel Alignment Computer
Setting Device Basic Set -VAS6430-
Setting Dev
SEE MORE:
General Information
Note
This list outlines the testers, tools and materials required
for expert refrigerant circuit repair work.
For tools and materials available from the distribution
center or importer. Refer to
→ Chapter "Tools and Materials Available from Distribution
Cente
Removing
- Remove the headliner and lay it on the seats. It is not
necessary to remove it from the vehicle. Refer to
→ Chapter "Headliner, Removing and Installing".
- Press the cap toward the rear, remove the screw
-arrow- that is located behind it
and then remove the screen separ