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Home >> Subaru >> 2016 >> WRX Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls (Diagnostics) (H4DOTC) (WRX-STI)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2009 TGV Control Circuit Low Bank 1 >> Wiring Diagram

DTC P2009 TGV Control Circuit Low Bank 1: Wiring Diagram

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

Step Check Yes No
1 CHECK HARNESS BETWEEN ECM AND TUMBLE GENERATOR VALVE ASSEMBLY RH CONNECTOR. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from ECM.
  3. Measure the voltage between ECM connector and chassis ground.

    Connector & terminal 

    (B134) No. 25 (+) - Chassis ground (-): 

    (B134) No. 26 (+) - Chassis ground (-): 

Is the voltage 5 V or more? Repair the short circuit to power in harness between ECM connector and tumble generator valve assembly RH connector. Replace the tumble generator valve assembly RH. < Ref. to TUMBLE GENERATOR VALVE ASSEMBLY . >