How to measure the pin of the 5-valve 7-wire throttle of Volkswagen Jetta in 2000?

00 Volkswagen Jetta 5-valve 7-wire throttle pin measures the throttle motor voltage. According to relevant public information, when the throttle is closed, there are six lines on the throttle, and two thick lines are motor control lines. According to the measurement, one of these two wires has a voltage of about 1.9, which is the live wire of the motor, and the other one has no voltage and is the ground wire of the motor.