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Frequently asked questions about cars and motorcycles
B1809 Active Hood System Sensor Failure


How the Active Hood Works on a Mercedes
Mercedes Classe C (2007-2013 / W204)
.. The active hood system is designed to protect pedestrians in the event of a frontal impact: when sensors.. …
(Various brands) Various .. between the MAP (Manifold Absolute Pressure) sensor and the MAF (Mass Air Flow) sensor. Let's focus on the MAP sensor, which measures absolute pressure.. .. 1 kPa corresponds to 0.01 bar); symptoms of failure include evident problems at low revs, with irregular slowdowns and stalling. It gets dirty due.. .. vapours passing from the crankcase ventilation system. The MAF sensor is located between the air filter and the throttle body, measuring the airflow.. …
Hyundai Tucson (2015-2021 / MK 3, TL) .. The active bonnet closure control system of the Hyundai Tucson monitors, via a sensor, whether the lock of.. …
Mercedes Mercedes Various .. Many Mercedes vehicles feature the Active Brake Assist system, which supports the driver during braking. If the vehicle detects a collision.. .. This is achieved through the analysis of radar sensor information and the stereoscopic camera, reacting to stationary or moving vehicles or crossing.. …
Citroen C6 (2005-2012 / MK 1) .. In this video, we see how the active hood system works, here on a Citroen C6, but the method is the same on all models: it is an innovation.. .. event of a collision. The car is equipped with sensors positioned in the front that constantly monitor the surrounding environment. When these sensors.. …
What does the Honda HR V CTBA light mean?
Answer: The abbreviation CTBA stands for "City Brake Active" and indicates the automatic low-speed braking system, which was designed to avoid small rear-end ... Read all

Posted on 20-06-2021

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How to open the hood of the Peugeot 108?
Answer: To open the bonnet of the Peugeot 108, simply operate the lever that you will find in the lower part of the dashboard to the left of the driver's side... Read all

Posted on 16-05-2021

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What warning lights are there in the dashboard of the Fiat 500?
Answer: In the dashboard of the Fiat 500 we can find many warning lights, each described in detail in the manual. In addition to the classic warning lights ty... Read all

Posted on 25-06-2022

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How to activate the hidden menu of the Opel Meriva B?
Answer: To activate the hidden menu of the Opel Meriva B car radio, perform the following procedure with the engine off: turn on the infotainment system to tu... Read all

Posted on 6-09-2022

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What does the "engine failure" light on my Toyota Yaris mean?
Answer: If the "engine failure" warning light comes on on the dashboard of your Toyota Yaris, you should know that the causes can be multiple. Generally it is... Read all

Posted on 30-10-2021

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