Upstream Lambda Sensor | Terminal | Inspection Condition | Measured Value | Remarks | |
Pin No. | 1 | Nernst Cell |
•
Ignition switch "ON" & Engine "OFF"
•
Voltage is measured on wiring side(Disconnected) | Approx. 2.8V(Average) | Signal Waveform (Fig. 2) |
2 | Heater Power | B+ | - | ||
3 | Virtual Ground | Approx. 2.5V | - | ||
4 | Current Adjust | Approx. 2.4V | - | ||
5 | Heater Control | Approx. 3.5V | Duty (Fig. 1) | ||
6 | Pumping Cell | Approx. 2.4V | - | ||
