2012 Subaru Outback Base, Standard TransFACTORY OEM SERVICE PROCEDURE

Check Room Light Operation

Step Check Yes No
1 CHECK ROOM LIGHT OPERATION. 
Make sure the room light illuminates when the room light switch is ON, and goes off when the switch is OFF.		 Does the room light illuminate or go off? Go to step 2.  Check the room light circuit. Refer to LI-64, INSPECTION, Room Light.
2 CHECK ROOM LIGHT OPERATION. 
  1. Turn the room light switch to the "DOOR" position.
  2. Open and close any door.
 Does the room light illuminate ↔ go off (including off delay) when the door is opened and closed? Go to step 3.  Go to step 4  .
3 CHECK KEYLESS ENTRY OPERATION. 
Press the LOCK/UNLOCK button of the keyless transmitter.		 Does it operate properly? Replace the body integrated unit. Refer to , BODY INTEGRATED UNIT . Check the keyless entry control module. Refer to , SYMPTOM CHART , INSPECTION, Keyless Entry System.
4 CHECK ROOM LIGHT. 
  1. Disconnect the room light connector.
  2. Check the room light. Refer to LI-64, INSPECTION, Room Light.
 Is room light normal? Go to step 5.  Replace the bulb or room light assembly.
5 CHECK HARNESS. 
  1. Disconnect the connector of body integrated unit.
  2. Check the harness between body integrated unit connector and room light connector.

    Connector & terminal 

    (i84) No. 4 - (R52) No. 2: 

 Is harness normal? Go to step 6.  Repair or replace the harness.
6 CHECK HARNESS. 
Measure the voltage between room light connector and chassis ground.
Connector & terminal 
(R52) No. 3 (+) - Chassis ground (-): 		 Is the voltage 10 V or more? Replace the body integrated unit. Refer to , BODY INTEGRATED UNIT . Repair or replace the harness.
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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.