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Home >> Toyota >> 2009 >> Tundra Base, 4.0 U >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Control System (2TR-FE)) >> SFI System >> DTC P0121 Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem >> Typical Enabling Conditions
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Typical Enabling Conditions

WARNING: This page is about a different car, the 2009 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not present None
Either of following conditions A or B set -
A. Ignition switch ON
B. ETCS power ON
TP sensor open/short malfunction (P0120, P0122, P0123, P0220, P0222, P0223 and P2135) Not detected