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Check Ignition Switch Circuit

WARNING: This page is about a different car, the 2007 Subaru Outback and 2007 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
IGNITION SWITCH CIRCUIT CHECKING PROCEDURE CHART

Step Check Yes No
1 CHECK IGNITION SWITCH VOLTAGE. 
  1. Connect the Subaru Select Monitor to the data link connector.
  2. Turn the ignition switch to ON.
  3. Select {Integ. unit} from main menu.
  4. Select the {Current Data Display & Save}.
  5. Check the {BATT voltage} and {IG power supply}.
 Is the {IG power supply} 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 harness connector terminal and chassis ground.

    Connector & terminal 

    (i84) No. 1 (+) - Chassis ground (-): 

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