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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 174 (Engine Control System - SFI System Diagnostics (4 Of 4)) >> DTC P2118 Throttle Actuator Control Motor Current Range / Performance >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

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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