Wiring Diagram:

WARNING: This page is about a different variant/trim than selected.

Fig 1: Wiring Diagram - DTC P2009 Intake Manifold Runner Control Circuit Low (Bank 1)

Courtesy of SUBARU OF AMERICA, INC.

DTC P2009 DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1. CHECK HARNESS BETWEEN ECM AND TUMBLE GENERATOR VALVE ACTUATOR CONNECTOR. Turn the ignition switch to OFF. Disconnect the connector from tumble generator valve connector. Measure the voltage between tumble generator valve actuator and chassis ground. Connector & terminal (E51) No. 1 (+) - Chassis ground (-): (E51) 2 (+) - Chassis ground (-):	Is the measured value less than 5 V?	Replace the tumble generator valve actuator. < Ref. to TUMBLE GENERATOR VALVE ACTUATOR . >	Repair the battery short circuit between ECM and tumble generator valve actuator.