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Check Room Light Operation

WARNING: This page is about a different car, the 2005 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
CHECKING ROOM LIGHT OPERATION

Step Check Yes No
1 : CHECK ROOM LIGHT OPERATION. 
Make sure the room light illuminates when the room light switch is turned ON.		 Does the room light illuminate? Go to step 2.  Check the room light circuit.
2 : CHECK HARNESS BETWEEN ROOM LIGHT AND BODY INTEGRATED UNIT. 
  1. Disconnect the body integrated unit harness connector and room light harness connector.
  2. Measure the resistance between the body integrated unit harness connector terminal and the room light harness connector terminal.

Connector & terminal 
(B280) No. 5 - (R52) No. 2: 		 Is the resistance less than 10 ohm? The room light operation circuit is OK. Check the harness for open circuits and/or shorts between the body integrated unit and room light.
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