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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (6 Of 6) (Except HEV) >> DTC P2626: O2 Sensor Pumping Current Trim Circuit/Open (Bank 1 Sensor 1) >> Specification >> Signal Waveform & Data
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Signal Waveform & Data

G12923008Courtesy of KIA MOTORS AMERICA, INC.

CH.1 - Pumping Current - Approx. 2.7V

CH.2 - Trim Resistor - Approx. 2.5V

CH.3 - Nernst Voltage - Approx. 2.7V

CH.4 - Virtual Ground - Approx. 2.9V

G12923009Courtesy of KIA MOTORS AMERICA, INC.

A: Approx. 2000rpm

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

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

B: Fuel Cut

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

CH.2 - Nernst 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 Nernst Voltage and Channel B negative probe to Virtual Ground.