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Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL MALFUNCTION THRESHOLDS

Either of following conditions is met -
"Difference of TP sensor voltage between VTA1 and VTA2 x 0.8" Higher than 1.6 V
"Difference of TP sensor voltage between VTA1 and VTA2 x 0.8" Lower than 0.8 V