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Home >> Subaru >> 2012 >> Legacy Base, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Diagnostics (H4SO) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0512 Starter Request Circuit >> Wiring Diagram
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DTC P0512 Starter Request Circuit: Wiring Diagram

Fig 1: Starter Request Wiring Diagram
G06650973Courtesy of SUBARU OF AMERICA, INC.
Step Check Yes No
1 CHECK FOR ANY OTHER DTC ON DISPLAY.  Is any other DTC displayed? Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". Refer to , LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . Go to step 2. 
2 CHECK HARNESS BETWEEN ECM AND STARTER RELAY CONNECTOR. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connectors from ECM.
  3. Turn the ignition switch to ON.
  4. Measure the voltage between ECM and chassis ground.

    Connector & terminal 

    (B136) No. 16 (+) - Chassis ground (-): 

NOTE: For CVT model, place the select lever in "P" range or "N" range.
Is the voltage 10 V or more? Repair the short circuit to power supply in harness between ECM and starter relay connector. Repair the poor contact of ECM connector.