The Databus Diagnostic Interface -J533- needs to be configured upon Multifunction Steering Control Module -J453 - replacement for vehicles that are not equipped with tiptronic buttons. Service 1. After replacing the Multifunction Steering Wheel Control Module -J453-, …

The multifunction steering wheel control unit -J453- is accommodated underneath the multifunction buttons on right in steering wheel -E441- and these two components can only be replaced as a unit. Airbag coil connector and return ring with slip ring -F138-

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2025年1月12日 · The module could be dead or you could just have lost communication with the J453 which might be a wiring issue. Note that the E440 button module is connected to the E441 and the E441 switch module includes the J453 module.

2023年1月9日 · So it could be the wiring in the clock spring of the J527 is broken, leaving the J453 isolated and unaware "hey, the car is off, stop lighting up the buttons" as well as the J453 unable to pass back to the J527 when buttons are pressed.

Audi A3 Current Flow Diagram No. 97 / 1 Edition 12.2004 Notes: For information concerning Position of relays and fuses Multi-pin connections ... J453 - Multifunction steering wheel control unit J527 - Steering column electronics control unit T4n - 4-pin connector, yellow (connector B)

The Multifunction Steering Wheel Control Module -J453- (under the right button) reads out the button information and transfers them over the LIN bus to the Steering Column Electronics Control Module -J527-.

Multi-function steering wheel control unit -J453- is installed in a twin relay housing and located at positions -7-and -8-of 13-position relay carrier above central electrics. –

The multifunction steering wheel control unit -J453- acquires the signals from the buttons and thumbwheels and converts the signals into digital information.

2024年4月8日 · If you disconnect the J453 at the 6-pin, you should measure 12v, ground, and LIN on the side coming from the J527. If you apply 12v and ground to the 6-pin to the J453, you should shortly measure some LIN voltage activity as the slave wakes, signals "I'm here", gets no response, and then eventually sleeps.