LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis >> Steering >> Power Steering >> Power Steering System >> Power Steering Control Module >> Inspection >> Check Motor Unit
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Check Motor Unit

  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from power steering unit.
  3. Using a tester and test harness, check the internal resistance of the harness terminals.

    Preparation tool: 

    Circuit tester 

    Fig 1: Power Steering Unit Circuit Diagram
    G10270227Courtesy of SUBARU OF AMERICA, INC.
    Between connector and terminal Standard
    (PS2) No. 1 - No. 2
    (PS2) No. 1 - No. 3
    (PS2) No. 2 - No. 3    		 Less than 10 Ω
    (PS2) No. 1 - Steering gearbox body
    (PS2) No. 2 - Steering gearbox body
    (PS2) No. 3 - Steering gearbox body    		 1 MΩ or more
scientia non olet · About LEMON Manuals