DTC P2012: Intake Manifold Runner Control Circuit Low (Bank 2): Wiring Diagram

Engine electrical system turbo engine model (without push button start) < Ref. to TURBO MODEL (WITHOUT PUSH BUTTON START) , WIRING DIAGRAM, Engine Electrical System. >
Engine electrical system turbo engine model (with push button start) < Ref. to TURBO MODEL (WITH PUSH BUTTON START) , WIRING DIAGRAM, Engine Electrical System. >

Fig 1: Intake Manifold Runner Control Wiring Diagram
Courtesy of SUBARU OF AMERICA, INC.

DTC PROCEDURE

Step	Check	Yes	No
1 CHECK HARNESS BETWEEN ECM AND TUMBLE GENERATOR VALVE ACTUATOR LH CONNECTOR. Turn the ignition switch to OFF. Disconnect the connector from ECM. Measure the voltage between ECM and engine ground. Connector & terminal (E159) No. 6 (+) - Engine ground (-): (E159) No. 22 (+) - Engine ground (-):	Is the voltage 5 V or more?	Repair the short circuit to power in harness between ECM and tumble generator valve actuator LH connector.	Replace the tumble generator valve actuator LH. < Ref. to TUMBLE GENERATOR VALVE ACTUATOR . >