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...Technical Information Housing for rear view camera systems General notes Some time ago, Hella launched two rear view camera systems. The desire was however expressed for the possibility of integration into a lighting function or a housing. In order to offer customers better int...

...Technical Information Idle speed control valve General The idle speed control valve is bypass valve. Example, as shown, is for Opel. It is made of a cast housing with a magnetic valve servo unit. A jet stem is fitted to the servo unit. Through the movement of the servo unit th...

...Technical Information Ignition module (Trigger box) General The ignition module contains the closed -loop primary current control circuit and the dwell-angle control. They are built with hybrid technology. This has the benefit that they can be built together with the igniti...

...Technical Information Injectors General Injectors have the task, during all driving conditions, to inject the correct amount of fuel calculated by the ECU. For good fuel atomisation and small condensation loss an engine specific distance to the inlet valve and injection angle a...

...Technical Information Inlet Air Temperature (IAT) Sensor General IAT sensors sense the air temperature on the inlet side of the engine. The voltage signal, produced by the sensor, is passed to the ECU. The ECU evaluates the signal and influences the fuel injection timing and ignition t...

...Technical Information Knock Sensor General You can find the knock sensor mounted on the side \ of the engine block. It recognises knock or pinging under all engine operating conditions to avoid lack of performance....

...Technical Information Lambda sensor General Due to the increasing strictness of exhaust emission regulations, the vehicle manufacturers are committed to reducing their vehicle emissions. For this reason a 3-way catalytic converter is fitted to nearly all vehicles. To achieve a good conv...

...Technical Information Zirconium dioxide lambda sensor (spring sensor) Manufacturer-specific cable colours The following different cable colours may be used f or the above-mentioned lambda sensors: Manufacturer Hella Bosch Delphi Denso Toyota Signal cable black black pu...

...Technical Information Failure control with LED indicators General points In the case of vehicles approved for use on public roads, the indicators must be monitored. The failure of an indicator must be shown optically or acoustically in the vehicle. This applies in all ECE states. The m...

...Technical Information Level control switch for engine oil General Oil level control switches are fitted in the oil sump. They records the minimum oil level and send a signal to the ECU when there is an engine oil shortage. The ECU activate the warning system, a warning light or...



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