Signal Waveform & Data

Fig 1: Oxygen Sensor (Upstream) Inspection

Courtesy of KIA MOTOR AMERICA, INC.

Fig 2: Waveform - Front (Upstream) Heated Oxygen Sensor (Bank 1, Sensor 1)

Courtesy of KIA MOTOR AMERICA, INC.

(Fig.1) Normal waveform of front Heated Oxygen Sensor upstream (Bank 1, Sensor 1) with engine at idle.

Oscilloscope - CH A1 (Nernst Cell), CH A2 (Pumping Cell), CH B1 (Virtual Ground), CH B2 (Compensative Resistance).