Maxima SE V6-3.0L (VQ30DE) (1998)
Rear heated oxygen sensor switching frequency
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Front heated oxygen sensor switching frequency
This ratio should be less than 0.5.
If the ratio is greater than 0.5, it means three way catalyst does not operate properly.
NOTE: If the voltage at terminal (50) or (51) does not switch periodically more than 5 times within 10 seconds at step 3, perform TROUBLE
DIAGNOSIS FOR DTC P0130 or P0150 (0503 or 0303) first.
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