P0120 · blink 41 – Throttle/Pedal Position Sensor

System: Engine control (EFI)
Dashboard light: Check engine light (MIL)
Check-engine blink code: 41
Applies to: 1KR-FE: M300 (Sirion export = JDM Boon M300S/M301S(4WD? see gaps) & Passo KGC10/KGC15). JDM-spec ECU not separately documented | K3-VE: M301 (Sirion 1.3 = JDM Boon M310S? / Passo QNC10)
Description: Throttle/Pedal Position Sensor
Detection / symptoms: Detection: 1.When the signals from the throttle position are not outputted continuously after starting over a certain length of time.
Possible causes: Trouble area: 1.Open wire or short circuit in the throttle position sensor circuit. 2.Throttle position sensor 3.EFI ECU
What to check: Checking points: 1.Are the signals from the throttle position sensor inputted to the EFI ECU? 2.Is the harness between the throttle position sensor and the EFI ECU normal? 3.Is the power supply voltage of the throttle position sensor normal? 4.Is the output of the throttle position sensor normal?; Unit check B8-221: VC-E2 2.5-6.0 kohm; VTH-E2 ~0.4k closed to ~3.4k open, rising linearly
Confidence: high (factory manual, export spec)

From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights