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Home >> Toyota >> 2006 >> RAV4 Base, 2.4 D, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System (2AZ-FE) >> SFI System >> Terminals Of ECM >> Waveform 2
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Waveform 2

Heated oxygen sensor 

HEATED OXYGEN SENSOR WAVEFORM REFERENCE

ECM Terminal Names Between OX1B and EX1B
Tester Ranges 0.2 V/DIV., 200 msec./DIV.
Conditions Engine speed maintained at 2,500 rpm for 2 minutes after warming up sensor

HINT:

In DATA LIST, item O2S B1 S2 shows the ECM input values from the heated oxygen sensor.

Fig 1: Checking Waveform 2 Using An Oscilloscope
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