Adaptive Cruise Control, General Information; Acc Setting Device Vas6190 , Converting For Adjustment Procedure - Audi Q7 2007 Repair Manual

6.2 Adaptive Cruise Control, General Infor‐
mation
Distance Regulation Sensor and Distance Regulation Control
Module - J428- are installed in one housing. If sensor/control
module is faulty, entire unit must be replaced.
In the following description, the sensor/control module unit is
identified as the "sensor".
The sensor is located behind the front bumper license plate hold‐
er. The license plate holder consists of material that can be
penetrated by radar and changes such as painting, applying stick‐
ers, etc. can lead to malfunctions.
Malfunctions can also occur due to contamination on the sensor.
Remove license plate holder from sensor according to repair
manual and clean inner part of license plate holder and sensor.
Before performing ACC adjustment, DTC memory must be inter‐
rogated and malfunctions corrected.
ACC control module "measured value block 2" shows whether
sensor is only slightly misaligned.
The ACC adjustment may only be set using a VW/Audi-approved
wheel alignment tester and adjustment device!
A correct adjustment is required for perfect ACC function.
Note
A new adjustment is necessary if:
♦
The rear axle toe was adjusted.
♦
The complete Adaptive Cruise Control Sensor - G550- was
♦
replaced.
Cross member for bumper was loosened or adjusted.
♦
The frontend was loosened or adjusted.
♦
There is damage on the front end.
♦
The adjustment angle is greater than – 0.8° to + 0.8°.
♦
6.3 ACC Setting Device - VAS6190- , Con‐
verting for Adjustment Procedure
Special tools and workshop equipment required
♦ ACC Setting Device - VAS6190-
Before performing adjustment, check in which mount the vertical
slits on the ACC Setting Device - VAS6190- are located. ACC
Setting Device - VAS6190- may have to be adapted before per‐
forming adjustment.
The ACC Setting Device - VAS6190- must be adapted before ad‐
justment procedure. If this is done during the adjustment proce‐
dure, the pre-calibration on the ACC Setting Device - VAS6190-
must be repeated.
Suspension, Wheels, Steering - Edition 01.2014
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Audi Q7 2007 ➤
6. Adaptive Cruise Control
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