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Home >> Subaru >> 2012 >> Outback Base, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Anti-Theft System - Security And Locks) >> Keyless Entry System >> Inspection >> Check Body Integrated Unit Power Supply And Ground Circuit
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Check Body Integrated Unit Power Supply And Ground Circuit

WARNING: This page is about a different car, the 2011 Subaru Tribeca. However, it is still accessible from the selected car via links, so may be relevant.
Step Check Yes No
1 CHECK POWER SUPPLY OF BODY INTEGRATED UNIT. 
  1. Disconnect the harness connector of body integrated unit (i84, B280, B281).
  2. Measure the voltage between harness connector terminal and chassis ground.

Connector & terminal 
(i84) No. 34 (+) - Chassis ground (-): 
(B280) No. 7 (+) - Chassis ground (-): 
(B281) No. 2 (+) - Chassis ground (-): 		 Is the voltage 10 V or more? Go to step 2.  Check the harness between the body integrated unit and fuse for open or short circuits.
2 CHECK BODY INTEGRATED UNIT GROUND CIRCUIT. 
  1. Disconnect the harness connector of body integrated unit (B280, B281).
  2. Measure the resistance between harness connector terminal and chassis ground.

Connector & terminal 
(i84) No. 21 - Chassis ground: 
(B280) No. 22 - Chassis ground: 
(B281) No. 8 - Chassis ground: 
(B281) No. 9 - Chassis ground: 		 Is the resistance less than 10 Ω? Check body integrated unit. Refer to BASIC DIAGNOSTIC PROCEDURE Basic Diagnostic Procedure. Repair the harness.
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