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Home >> Scion >> 2005 >> tC Standard >> Repair and Diagnosis >> Engine Performance >> SFI System (2AZ-FE) >> Terminals Of ECM >> Waveform 6

Waveform 6

Heated oxygen sensor

WAVEFORM 6 (HEATED OXYGEN SENSOR)

ECM Terminal Names Between OX1B and E2
Tester Ranges 0.2V/DIV, 200 msec./DIV
Conditions Engine speed maintained 2,500 RPM for 2 minutes after warming up sensor

HINT:

In the DATA LIST, item O2S B1S2 shows the ECM input values from the heated oxygen sensor.

Fig 1: Identifying Heated Oxygen Sensor Waveform
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