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Check Ignition Switch Circuit

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.
Step Check Yes No
1 CHECK IGNITION SWITCH VOLTAGE. 
  1. Prepare the Subaru Select Monitor kit.
  2. Turn the ignition switch to ON (engine OFF) and run the "PC application for Subaru Select Monitor".
  3. On «System Selection Menu» display, select {Integ. unit mode}.
  4. Select the {Current Data Display & Save}.
  5. Check the {BATT voltage} and {IG power supply}.
 Is the {IG power supply voltage} within ±1 V against {BATT voltage}? The ignition switch input circuit is OK. Go to step 2  .
2 CHECK IGNITION SWITCH CIRCUIT. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the harness connector of body integrated unit.
  3. Turn the ignition switch to ON.
  4. Measure the voltage between body integrated unit and chassis ground.

    Connector & terminal 

    (B280) No. 1 (+) - Chassis ground (-): 

 Is the voltage 10 V or more? Check body integrated unit. < Refer to BASIC DIAGNOSTIC PROCEDURE . > Check the harness for open or short circuit between body integrated unit and fuse.
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