LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2014 >> IS 250 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (4GR-FSE) - Diagnostic Codes (4 Of 5) >> SFI System >> DTC P2009: Intake Manifold Runner Control Circuit Low (Bank 1); DTC P2010: Intake Manifold Runner Control Circuit High (Bank 1) [04/2013 - 08/2015] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P2009: Intake Manifold Runner Control Circuit Low (Bank 1); DTC P2010: Intake Manifold Runner Control Circuit High (Bank 1) [04/2013 - 08/2015]: Description

The ECM activates the intake air control valve actuator (for swirl control valve), which opens and closes the Swirl Control Valve (SCV). The ECM activates the DC motor based on engine speed, coolant temperature, engine load signal and other conditions.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P2009 Intake Manifold Runner Control Circuit Low (Bank 1) Both of the following conditions continue for 0.5 seconds (1 trip detection logic).
(a) The output duty of the intake air control valve actuator is 100% or higher.
(b) The current of the intake air control valve actuator is less than 0.35 A.
  • Open or short in intake air control valve actuator (for swirl control valve) circuit
  • Intake air control valve actuator (for swirl control valve)
  • Intake manifold
  • ECM
Comes on DTC stored
P2010 Intake Manifold Runner Control Circuit High (Bank 1) Either of the following conditions continues for 6 times or more (1 trip detection logic).
(a) The motor drive IC has overcurrent.
(b) The motor drive IC overheats.
  • Open or short in intake air control valve actuator (for swirl control valve) circuit
  • Intake air control valve actuator (for swirl control valve)
  • Intake manifold
  • ECM
Comes on DTC stored