Check Body Integrated Unit Power Supply And Ground Circuit

2007 Subaru Outback Limited, 4D Sedan, StandardSECTION Check Body Integrated Unit Power Supply And Ground Circuit
BODY INTEGRATED UNIT POWER SUPPLY AND GROUND CIRCUIT CHECKING PROCEDURE CHART

Step Check Yes No
1 CHECK POWER SUPPLY OF BODY INTEGRATED UNIT. 
  1. Disconnect the harness connector of body integrated unit.
  2. Measure the voltage between harness connector terminal and chassis ground.

    Connector & terminal 

    (B280) No. 7 (+) - Chassis ground (-): 

    (B281) No. 2 (+) - Chassis ground (-): 

Is the voltage more than 10 V? Go to step 2.  Check the harness for open or short between body integrated unit and fuse.
2 CHECK BODY INTEGRATED UNIT GROUND CIRCUIT. 
  1. Disconnect the harness connector of body integrated unit.
  2. Measure the resistance between harness connector terminal and chassis ground.

    Connector & terminal 

    (B280) No. 22 - Chassis ground: 

    (B281) No. 8 - Chassis ground: 

    (B281) No. 9 - Chassis ground: 

Is the resistance less than 10 Ω? Check the body integrated unit. < Ref. to BASIC DIAGNOSTIC PROCEDURE . > Repair the harness.
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.