mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 3086 > < Component Tests and General Diagnostics|Page 3084
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Oxygen Sensor: Oscilloscope Patterns and Waveforms

HO2S (front) heater control signal

PCM terminals

-

2C (+) - body ground (-)

Oscilloscope setting

-

2 V/DIV (Y), 20 ms/DIV (X), DC range

Vehicle condition

-

Idle after warm up (no load, P/S off, A/C off)

Component Tests and General Diagnostics|Page 3086 > < Component Tests and General Diagnostics|Page 3084