GL 450 (164.871) V8-4.6L (273.923) (2007)
Function
The functions of the AIRmatic control unit are divided as follows:
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Signal conditioning
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Function logic component
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Safety circuit
Signal conditioning
The following input signals are processed by the function logic component and used for calculations or to provide information:
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Calculation of vehicle speed
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Wheel speed signal
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Speed status signal
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Calculation for valve actuation
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Left front level sensor (B22/8), right front level sensor (B22/9), left rear level sensor (B22/7) and right rear level sensor (B22/10) signal
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Calculation of compressor control
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Outside temperature, outside air pressure signal
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Reservoir pressure (AIRmatic pressure sensor (Y36b1))
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Vehicle speed signal
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Vehicle level signal
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Duty cycle
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Calculation of vehicle level
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Left front level sensor, right front level sensor, left rear level sensor and right rear level sensor signal
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Information signals (operation)
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Level adjustment switch (N72/1s2) signal
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Right front door rotary tumbler microswitch (M14/5s1) signal
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Left front door rotary tumbler microswitch (M14/6s1) signal
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Left rear door rotary tumbler microswitch (M14/8s1) signal
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Right rear door rotary tumbler microswitch (M14/9s1) signal
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Remote control signal
Function logic component