P0120 · blink 41 – THROTTLE/PEDAL POSITION

System

EFI 1ZZ-FE

Dashboard light

Malfunction indicator lamp (Check Engine)

Check-engine blink code

41

Applies to

1ZZ-FE 1.8 (PK Altis 2005-08 ZZE122; JDM ZZE122/124, Allex/Runx/Fielder 1.8)

Description

THROTTLE/PEDAL POSITION

Detection / symptoms

Detection: Condition (1) or (2) continues with more than 5 sec.: 1. VTA < 0.1 V 2. VTA > 4.9 V

Possible causes

Open or short in throttle position sensor; Throttle position senor; 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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