S40 2.4i L5-2.4L VIN 38 B5244S4 (2008)
There is normally a 3 second delay between activation with the light switch or ignition on and the Bi-Xenon lamp coming on.
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As with normal headlamps, Bi-Xenon lamps remain off while the engine is cranking and come on once the engine is running.
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Each time voltage is supplied to the ballast (from the central electronic module (CEM)), 3 1-second attempts are made to light the Bi-Xenon lamp.
Safety
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In the event of a short-circuit on the high tension side the power supply cuts in less than 10 ms
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If the high voltage circuit is broken (such as due to an open circuit, defective bulb or no bulb in the lamp socket), during each activation the system
attempts to light the lamp for a period of 700 ms. During the period, there is high voltage across the ballast.
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Approximate component temperatures during operation: Ballast = 130 °C (266 °F), Lamp holder = 170 °C (338 °F), Bi-Xenon lamp = 400 °C
(752 °F).
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The glass body of the Bi-Xenon-lamp is filled with different gases and metal vapors which are under pressure. The lamp can explode as it is under
gas pressure.
Warning!
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Follow the safety instructions and recommendations in VIDA carefully when working with high voltage.
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Use safety goggles when handling the bulb. Risk of explosion!
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The electrical system must be switched off before starting work.
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Risk of burn injury. The components operate at very high temperatures.
