VDO CONTISYS OBD - V3.0 Instruction Manual

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FastCheck75TPMS Trouble shootingIf a valve appears to not respond when stimulated with a TPMS Valve Activator Tool,check the following:• The tyre valve is a TPMS valve.• The TPMS activator tool is not pointing directly at the valve stem. The valve stemis metal and will prevent a good RF signal. On low profile tyres, the area for the RFto penetrate the tyre sidewall is small, carefully aim the TPMS Valve Activator Toolhalf-way between the tyre rim and the tread.• Check the batteries are not low in the TPMS Valve Activator Tool and the TPMSvalve.• If there is no response from the valve after the checks have been made then it couldbe that the TPMS valve itself is faulty.Manual TPMS ProcessBMWRun-flat Reset (RPA – Tyre Deflation Detection)The run-flat system monitors the pressure in the four mounted tyres while the vehicleis being driven.The system will provide an alert whenever the inflation pressure in a tyre dropssignificantly in relation to the pressure of another tyre.The following BMW vehicles have the RPA system fitted:BMW 3 Series (E90/E91/E92/E93)BMW 5 Series (E60/E61)BMW 7 Series (E65/E66/E67/E68)BMW X3 (E83)BMW X5 (E53)It is necessary to initiate the RPA reset process IMMEDIATELY after every tyrepressure correction, after a tyre or wheel change or after a trailer has been attachedor detached. The reset MUST be started before driving the vehicle for the first timeafter one of the above events.When a reset is required (due to a pressure change in one of the tyres) the vehicle willinform the driver by turning on the RPA Warning Lamp, which will glow red, andsounding an acoustic signal.When the RPA Warning Lamp is on but the colour is yellow this indicates that the RPAsystem has failed or is malfunctioning. In this case the system must be diagnosedusing the scan function of the service tool.The RPA reset process can be started in two different ways depending on the model.