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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 173 (Engine Control System - SFI System Diagnostics (3 Of 4)) >> DTC P1023 Camshaft Position Signal Output "B" Circuit; DTC P2614 Camshaft Position Signal Output Circuit / Open >> 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.

This DTC is output when a malfunction in the intake side camshaft timing control motor's rotation sensor is detected The camshaft timing control motor is equipped with a self diagnostic function, which is used to output the duty ratio (when normal. 80%) as a signal (VTM) to the ECM. If the ECM receives a duty signal of 40%, a DTC is output immediately (1 trip detection logic). If the engine is idled for 10 seconds, a DTC is detected

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