Data Bus On Board Diagnostic Interface -J533-

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Special Tools And Workshop Equipment Required

Protective Cap For Cable Connector VAS 6223/9 from Fiber Optic Plier Repair Set VAS 6223

-- If the control module was replaced, select the "Replace" function for the respective control module in "Guided Fault Finding" or "Guided Functions" using the Vehicle diagnostic tester.

Removal

Fig 1: Identifying Nuts

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-- Remove the rear seat bench. Refer to SEAT BENCH/SINGLE SEAT, REMOVING AND INSTALLING .

-- Fold back the front of the insulation mat.

-- Remove the nuts -arrows-, if equipped.

-- Remove the data bus on board diagnostic interface -3- from the threaded pins.

-- Disconnect the connector -5- and the connector -4- for the fiber-optic cable.

NOTE:

If the ground wire -1- is above the mount on the data bus on board diagnostic interface as illustrated, then it must be loosen on the ground distributor -2-.

-- Seal open wiring harness fiber optic connector -2- with VAS 6223/9 -item 1-.

Fig 2: Fiber-Optic Cable Harness Connector And Protective Cap For Cable Connector VAS 6223/9

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Protective cap prevents contamination of or mechanical damage to end face of fiber optic cable which would impair signal transmission.

-- To disconnect electrical connector, press catch -1-, turn retaining bracket in -direction of arrow- and remove connector.

Fig 3: Identifying Catch And Retainer

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Installation

For the correct tightening specification, refer to DATA BUS ON BOARD DIAGNOSTIC INTERFACE -J533- OVERVIEW and appropriate SYSTEM WIRING DIAGRAMS information.

Install in reverse order of removal, observing the following:

The Data bus on board diagnostic interface -J533- was replaced, then the new one must be coded again using the Vehicle Diagnostic Tester.

-- Install the rear seat bench. Refer to SEAT BENCH/SINGLE SEAT, REMOVING AND INSTALLING .