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Typical Enabling Conditions

WARNING: This page is about a different car, the 2006 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs are not present P0120 - P0223, P2135 (TP sensor)
Either of following conditions A or B is met: -
A. Engine switch ON
B. Electric throttle motor power ON
TP sensor malfunction (P0120, P0122, P0123, P0220, P0222, P0223, P2135) Not detected