9-3 Coupe (9400) L4-2.0L Turbo (B204) (1999)
The control module sends out a signal on pin 52 with information about the present throttle angle. The information is used by the control module for the
automatic transmission.
The signal is a PWM signal at 100 Hz, which measures:
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approx. 1.3 volts at idling speed
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approx. 2.2 volts at 2500 rpm (without load)
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approx. 12 volts at wide open throttle