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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Engine Control System (3UR-FBE) - Diagnostic Codes (5 Of 6)) >> SFI System >> DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance [08/2015 - 08/2018] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
ALL (CASE 1 AND CASE 2)

Monitor runs whenever following DTCs not stored P2120, P2122, P2123, P2125, P2127, P2128, P2138 (Accelerator pedal position sensor)
Either of following conditions 1 or 2 met: -
1. Ignition switch ON
2. Throttle actuator power ON
CASE 2

VPA2 voltage Less than 4.84 V
Either of following conditions 1 or 2 met: -
1. VPA voltage - Learned VPA accelerator off position voltage 0.04 V or more
2. VPA2 voltage - Learned VPA2 accelerator off position voltage 0.04 V or more