Check Ignition Switch Circuit

2007 Subaru Outback Limited, 4D Sedan, StandardSECTION Check Ignition Switch Circuit
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.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.