O2S Test Result

Refer to O2S TEST RESULT  detailed information.

Front O2S voltage monitor 

If the time required to change is out of the standard value, the ECM interprets this as a malfunction.

Fig 1: O2S Test Result Table

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Front O2S frequency monitor during engine idling 

If the $38 is out of the standard value, the ECM interprets this as a malfunction.

Fig 2: O2S Test Result Table (Front O2S Frequency Monitor During Engine Idling)

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Front O2S frequency monitor during vehicle running 

If the $90 is out of the standard value, the ECM interprets this as a malfunction.

Fig 3: O2S Test Result Table (Front O2S Frequency Monitor During Vehicle Running)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002