Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Subaru >> 2012 >> Outback Base, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Anti-Theft System - Security And Locks) >> Door Lock Control System >> Inspection >> Check Power Supply & Ground Circuit

Check Power Supply & 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. 
  1. Disconnect the harness connector of body integrated unit.
  2. Measure the voltage between harness connector terminal and chassis ground.

Connector & terminal 
(i84) No. 34 (+) - Chassis ground (-): 
(B281) No. 2 (+) - Chassis ground (-): 
(B280) No. 7 (+) - Chassis ground (-): 		 Is the voltage 10 V or more? Go to step 2.  Check the harness for open or short circuit between body integrated unit and fuse.
2 CHECK GROUND CIRCUIT. 
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? The power supply and ground circuit are OK. Repair the harness.
scientia non olet · About Mike's Workshop Manuals