2016 Audi A8 (D4) Download Service & Repair Manual
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Adaptive Cruise Control, Calibrating
Before starting a calibration check if the vehicle is equipped with
an infrared system. If this is the case depending on the damage
claim the night vision system camera must be calibrated first.
Conditions
– The distance regulation control module must be calibrated
during the following conditions:
The Distance Regulation Control Module -J428-/Distance
Regulation Control Module 2 -J850- was be replaced.
The Distance Regulation Control Module -J428-/Distance
Regulation Control Module 2 -J850- was be removed and
installed.
The front bumper was damaged.
The front bumper was loosened, adjusted, or removed and
installed.
The rear axle toe was adjusted.
The adjustment angle is greater than –0.8° to +0.8°.
Too large of a vertical adjustment for the distance regulation
control module (leads to a blind spot deactivation). Functional
limitations emerge due to limited sensor sight, which is not the
result of a dirty sensor or inclement weather conditions (for
example, heavy rain-/snowfall, iced over sensor, etc.).
The DTC “no or incorrect basic setting/adaptation” is stored in
the DTC memory.
Additional procedures. Refer o → Suspension, Wheels,
Steering; Rep. Gr.44; Adaptive Cruise Control; Adaptive Cruise
Control, Calibrating.
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Distance Regulation Control Module -J428-
/Distance Regulation Control Module 2 -J850-
Retaining Plate, Removing and Installing
Special tools and workshop equipment required
Digital Caliper -VAS6335-
Removing
– Remove the distance regulation control module. Refer o
→ Chapter „Distance Regulation Control Module -J428-
/Distance Regulation Control Module 2 -J850-, Removing and
Installing“.
– Turn the quick release -1-
counterclockwise.
– Remove the quick release from the stud
bolts.
– Remove the retaining plate -2- from the
distance regulation control module -3-.
Installing
Install in the reverse order of removal. Note
the following:
Note
Replace the quick release.
The stud bolts in the bracket are pre-set.
If necessary, correct the setting.
If the stud bolts were removed, then the
clips on the distance regulation control
module must be replaced. Refer o
→ Chapter „Distance Regulation Control
Module -J428-/Distance Regulation
Control Module 2 -J850- Clip, Replacing“.
– Place the control module on a soft and
clean surface.
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– Measure the dimension -a- at all stud bolts
using the Digital Caliper -VAS6335- and
correct if necessary.
Dimension -a- = 43.3 mm.
– Position the retaining plate -3- onto the
distance regulation control module -1-.
– Carefully press the new quick release -4-
onto the stud bolt -2-.
– Turn the quick release clockwise onto the
retaining plate to the stop -arrow-.
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Distance Regulation Control Module -J428-
/Distance Regulation Control Module 2 -J850-,
Removing and Installing
Note
If replacing the control module, select the “Replace Control
Module” function using the Vehicle Diagnostic Tester.
Removing
– Remove the air intake grille. Refer o → Body Exterior; Rep.
Gr.63; Front Bumper; Attachment, Removing and Installing.
– Unclip the cover.
– Remove the bolts -1 to 4-.
– Remove the distance regulation control
module -A- from the bumper cover.
Note
Clean and dry the area around the control
module connector.
– Disconnect the connector -arrow-.
Installing
Install in the reverse order of removal. Note
the following:
Note
Check the connector for damage, contact
corrosion and water ingress, and service if
necessary. Refer o → Electrical Equipment
General Information; Rep. Gr.97; Wring
Harness and Connector Repair.
– Calibrate the adaptive cruise control.
Refer o → Chapter „Adaptive Cruise
Control, Calibrating“.
Tightening Specifications
Refer to → Chapter „Overview - Adaptive
Cruise Control Component Location“.
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Distance Regulation Control Module -J428-
/Distance Regulation Control Module 2 -J850- Clip,
Replacing
Note
If the stud bolts were removed, then the clips on the distance
regulation control module must be replaced.
The clips cannot be removed without being damaged.
Procedure
– Remove the distance regulation control module retaining
plate. Refer o → Chapter „Distance Regulation Control
Module -J428-/Distance Regulation Control Module 2 -J850-
Retaining Plate, Removing and Installing“.
– Remove the stud bolt -1- using a suitable
tool -2-.
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$52.99
Models covered:
- Audi A8 (D4) 2.0L TFSI Hybrid (211 HP)
- Audi A8 (D4) 3.0L V6 TDI Clean Diesel Quattro (250 HP)
- Audi A8 (D4) 3.0L V6 TDI Quattro (204 HP)
- Audi A8 (D4) 3.0L V6 TDI Quattro (250 HP)
- Audi A8 (D4) 4.2L V8 TDI Quattro (351 HP)
- Audi A8 (D4) 3.0L V6 TFSI Quattro 8AT (290 HP)
- Audi A8 (D4) 4.0L TFSI Quattro (420 HP)
- Audi A8 (D4) 4.2L FSI V8 Quattro 8AT (371 HP)
- Audi A8 L 2.0L TFSI Hybrid (245 HP)
- Audi A8 L 3.0L V6 TDi clean diesel Quattro 8AT (250 HP)
- Audi A8 L 3.0L V6 TDi Quattro 8AT (250 HP)
- Audi A8 L 4.2L V8 TDI Quattro 8AT (350 HP)
- Audi A8 L 3.0L V6 TFSI Quattro (290 HP)
- Audi A8 L 3.0L V6 TFSI Quattro (333 HP)
- Audi A8 L 4.0L V8 TFSI Quattro 8AT (420 HP)
- Audi A8 L 6.3L W12 FSI 8AT AWD (500 HP)
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In summary, this 2016 Audi A8 (D4) Service & Repair Manual enables significant cost savings on repairs and maintenance, proving its value after the first oil change.
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