Brake switch, cruise control (134), E39
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Brake switch, cruise control (134), E39
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Brake switch, cruise control (134), E39
Brake switch information is used by the SCM control module (587) to disengage cruise control. The switch breaks when the pedal is depressed.
Breaking switch.
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134 pin no.
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Signal type
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Description
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3
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Signal
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Connected to control module, SCM (587), pin 27(A).
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4
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+15
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Power supply from fuse 21 in the dashboard fuse box (22).
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When the brake pedal is depressed, +15 to the SCM control module (587) pin 27(A) is interrupted, at which point the control module pin drops to ground potential.
Diagram
