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...Throttle Potentiometer General The throttle potentiometer senses the opening angle of the throttle valve. It send the information to the ECU to assist in calculating the correct fuel injection. The throttle potentiometer is fitted at the throttle valve axle. Function...

...Throttle Valve Switch General A throttle valve switch records the position of the throttle valve. It is fitted to the throttle valve spindle and send the information about the position to the ECU to assist in the calculating the fuel injection. Function Inside the...

...Technical Information Transmission Sensor General Transmission sensors record the transmission speed. This information is needed by the ECU to adjust the shifting pressure and for the decision which gear must be chosen. Function There are two different type s of...

...Technical Information Vehicle Speed Sensor General Vehicle speed sensors record the driving speed. It is assembled on the transmission (e.g. VW/Audi) or on the rear axle(e.g. BMW). This information are needed for the speed indication, cruise control and torque convert er slip c...

...Technical Information Wheel Speed Sensor General Wheel speed sensor are fitted near the wheel hubs or differentials and records the wheels speed. They work with the anti -lock -brake system, traction control system and the GPS. In a combination of systems the anti -lock -b rake...

...Expansion valve General points The expansion valve is the point of separation between high pressure and low-pressure areas in the cooling cycle. It is mounted upstream from the evaporator. In order to achieve optimum cooling capacity in the evaporator, the flow of refrigerant is regulate...

...Headlamp beam setter 1-2 Technical Information Headlamp beam setter An important safety aspect in traffic are correctly adjusted headlamps, to provide good exact illumination of the road, with the lowest possible glare to the oncoming traffic. To adjust the headlamps...

...\ Transformer 1-1 Technical Information Transformer Safety note for Xenon transformer 3. generation Incorrect handling of Xenon Headlamps with 3 rd generation electronics can lead to a voltage spike or even electric shock . When the transformer (12 or 2 4V) is switc...

...Fault diagnosis Cooling performance check Every workshop needs, besides special tools, technical knowledge to do a professional job. This can be purchased by special training. This applies particularly to air -conditioning systems. The followin g instructions can merely serve a...

...Light bulbs H4+30 / H1+30 1-1 Technical Information Light bulbs H4+30 / H1+30 The new H4 +30 and H1 +30 light bulbs produce up to 30% more light onto the road. They are a further development of the approved H4 and H1 bulbs. The glowing spiral was optimised and positioned d...



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