P0120 · blink 41 – THROTTLE/PEDAL POSITION

System

EFI 1NZ-FE/2NZ-FE

Dashboard light

Malfunction indicator lamp (Check Engine)

Check-engine blink code

41

Applies to

2NZ-FE 1.3 (PK XLi/GLi NZE120) and 1NZ-FE 1.5 (JDM NZE121/NZE124 Corolla/Fielder/Runx)

Description

THROTTLE/PEDAL POSITION

Detection / symptoms

Detection: Condition (a) or (b) continues with more than 5 sec. (a) VTA < 0.1 V (b) VTA > 4.9 V

Possible causes

Open or short in throttle position sensor; Throttle position sensor; Engine ECU

What to check

Workshop check order (RM821E): READ VALUE OF THROTTLE POS -> CHECK HARNESS AND CONNECTOR(CHECK VOLTAGE) -> CHECK THROTTLE POSITION SENSOR -> INSPECT ECU -> CHECK HARNESS AND CONNECTOR(ENGINE ECU−THROTTLE POSITION

Confidence

high (official Toyota RM821E)

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

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