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Home >> Audi >> 2006 >> A3 Base, Automatic DCT >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Final Drive, Differential - Rear Final Drive 02D, 0AV, 0BR, 0BS, 0BY >> 39 Final Drive, Differential >> Diagnosis And Testing >> HALDEX-Clutch (Generation HALDEX IV), Rear Final Drive 0BR, 0BS And 0BY, Checking Functions

HALDEX-Clutch (Generation HALDEX IV), Rear Final Drive 0BR, 0BS And 0BY, Checking Functions

Identification on Rear Final Drives "0BR" and "0BY"

Fig 1: Identification On Rear Final Drives
GWWA39-10336Courtesy of AUDI OF AMERICA, LLC
NOTE:

The ID -arrow- on the bottom side of the final drive identifies which final drive is installed.

The Haldex clutch test is performed during a road test with the vehicle diagnosis tester.

Rear Final Drive Designation "0BS"

Fig 2: Rear Final Drive Designation "0BS"
GWWA39-10526Courtesy of AUDI OF AMERICA, LLC
WARNING:

To prevent possible injury when performing measuring tests or test drives, always refer to SAFETY PRECAUTIONS .

-- Connect the vehicle diagnosis tester with the ignition on the Data Link Connector (DLC) turned off.

Fig 3: Locating Data Link Connector
GWWN90-10017Courtesy of AUDI OF AMERICA, LLC

Installed location: Front left footwell, near hood opener.

Enter "Guided Fault Finding" :

-- Turn on the ignition.

-- Touch "Guided Fault Finding" on the screen.

-- Select the following in this sequence:

-- Start the output diagnostic test mode and follow the instructions on the tester.