LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2018 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (SFI System [2GR-FE] - Diagnostic Codes - (Except Hybrid) (1 Of 5)) >> SFI System >> DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance [12/2013 - 11/2016] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
CASE 1

Difference between VPA voltage and VPA2 voltage (learned value of accelerator off position) Less than 0.4 V, or higher than 1.2 V
CASE 2

All of the following conditions are met -
[(VPA voltage - Learned VPA accelerator off position voltage) - (VPA2 voltage - Learned VPA2 accelerator off position voltage)] 0.165 V or higher (varies with accelerator position)
VPA2 voltage Less than 4.84 V
Either of the following conditions met a or b
a) VPA voltage - Learned VPA accelerator off position voltage 0.04 V or higher
b) VPA2 voltage - Learned VPA2 accelerator off position voltage 0.04 V or higher