Audi / Q7 (4L) / 65 – tyre pressure monitoring (TPM) / Test of the main aerial

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Model

Control unit Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Diagnostic operation Select the desired diagnostic procedure.

Diagnostic procedure

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Audi AX, Audi QX

connect with the control unit XX - TPM

XX - Measured values group XXX - voltage shift

aerial voltage shift responds especially in case of interference from faults induction appliances (e.g. ignition system, alternator, wiper engine, etc.). if the value voltage shift value is high, this especially indicates a faulty, loose or damaged connector connection, respectively, cables.

you localise the interference source on the vehicle by starting the engine and changing engine speed several times - switch the lights or wipers on and off, etc., monitor the voltage shift of the aerial in the process - RXX

Created on: XX.XX.XXXX XX:XX:XX (hnz) Copyright © XXXX-XXXX, AutoComSoft Ltd All rights reserved.

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