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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - SFI System Diagnostics (4 Of 4) >> DTC P2118 Throttle Actuator Control Motor Current Range / Performance >> Monitor Description

Monitor Description

The ECM monitors the battery supply voltage applied to the throttle actuator

When the power supply voltage (+BM) drops below 4 V for 0.8 seconds or more, the ECM interprets this as an open in the power supply circuit (+BM) The ECM illuminates the MIL and sets the DTC If the malfunction is not repaired successfully, the DTC is set 5 seconds after the engine is next started

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