mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Oxygen Sensor|Service and Repair > < Component Tests and General Diagnostics|Page 1964
Page 1
background image

Oxygen Sensor: Oscilloscope Patterns and Waveforms

Front HO2S heater control signal

PCM terminals

-

2BG (+)-Negative battery terminal (-)

Oscilloscope setting

-

5 V/DIV (Y), 50 ms/DIV (X), DC range

Vehicle condition

-

Idle after warm-up (no load)

Oxygen Sensor|Service and Repair > < Component Tests and General Diagnostics|Page 1964