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

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Engine electrical system, turbo model < Refer to appropriate SYSTEM WIRING DIAGRAM.>

Fig 1: Intake Manifold Runner Control Circuit Low - Wiring Diagram (Bank 2)

Courtesy of SUBARU OF AMERICA, INC.

Step	Check	Yes	No
1 CHECK HARNESS BETWEEN ECM AND TUMBLE GENERATOR VALVE ASSEMBLY LH CONNECTOR. Turn the ignition switch to OFF. Disconnect the connector from ECM. Measure the voltage between ECM and chassis ground. Connector & terminal (B134) No. 23 (+) - Chassis ground (-): (B134) No. 24 (+) - Chassis ground (-):	Is the voltage 5 V or more?	Repair the short circuit to power in harness between ECM and tumble generator valve assembly LH connector.	Replace the tumble generator valve assembly LH. < Refer to TUMBLE GENERATOR VALVE ASSEMBLY . >