06-18-2012, 06:33 PM
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Stock
Join Date: Jun 2012
Location: ny
Posts: 26
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hey cre this is what i found on the kvafm. "To properly test the 7mgte AFM, one needs an oscilloscope. I suppose thats why Toyota didn't publish the test procedures in the TSRM. I took my car to a local shop where they hooked up an oscilloscope and checked the wave pattern. Its supposed to be a constant square wave that gets higher frequency as the rpms go up. A bad AFM will show an erratic signal, sometimes just flatline or much lower frequency than normal. The test in the TSRM is just for air temperature." have not got around to wiring the wideband sensor into the computer. have to calibrate the wideband also.
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