Signal Waveform & Data

Courtesy of KIA MOTORS AMERICA, INC.

Courtesy of KIA MOTORS AMERICA, INC.

CH.1 - Pumping Current - Approx. 2.7V

CH.2 - Trim Resistor - Approx. 2.5V

CH.3 - Nearmost Voltage - Approx. 2.7V

CH.4 - Virtual Ground - Approx. 2.9V

1. A: Approx. 2000rpm

   CH.1 - Pumping Current & Virtual Ground: - 0.5 to 0.4 V

   CH.2 - Nearmost Voltage & Trim Resistor: -1.0 to -0.0 V

2. B: Fuel Cut

CH.1 - Pumping Current & Virtual Ground: Approx. 0.89V

CH.2 - Nearmost Voltage & Trim Resistor: Approx. 0.64V

* Test Method:

Connect Channel A positive probe to Pumping Current and Channel A negative probe to Trim Resistor.

Connect Channel B positive probe to Nearmost Voltage and Channel B negative probe to Virtual Ground.