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Home >> Toyota >> 2014 >> Highlander LE Plus, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (SFI System [1AR-FE] - Diagnostic Codes - (Except Hybrid) (5 Of 8)) >> SFI System >> DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance [11/2016 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
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Monitor runs whenever the following DTCs are not stored None
Either of the following conditions is met 1 or 2
1. Ignition switch ON
2. Command to electronic throttle actuator power On
Accelerator pedal position sensor circuit fail (P2120, P2122, P2123, P2125, P2127, P2128, P2138) Not detected