Basic Diagnostic Procedure: Procedure

2014 Subaru Outback 2.5i, Standard TransSECTION Procedure
NOTE: For diagnosis of model with keyless access, refer to BASIC DIAGNOSTIC PROCEDURE .
Step Check Yes No
1 CHECK SECURITY INDICATOR LIGHT. 
  1. Turn the ignition switch to "OFF" or "ACC".
  2. Wait at least 60 seconds.
Does the security indicator light blink? Go to step . Check the security indicator light circuit. Refer to CHECK SECURITY INDICATOR LIGHT CIRCUIT .
2 CHECK KEY SWITCH. 
Remove the key from ignition switch.
Does the security indicator light begin to blink within 1 second after the key is removed? Go to step . Check the key switch circuit. Refer to CHECK KEY SWITCH CIRCUIT .
3 CHECK SECURITY INDICATOR LIGHT. 
Turn the ignition switch to ON.
Does the security indicator light go off? Go to step . Go to step .
4 CHECK ENGINE START. 
Turn the ignition switch to START.
Does the starter operate? Check the LAN communication system. Refer to BASIC DIAGNOSTIC PROCEDURE . Go to step .
5 CHECK ENGINE START. 
Turn the ignition switch to START.
Does the starter operate? Go to step . Check the LAN communication system. Refer to BASIC DIAGNOSTIC PROCEDURE .
6 CHECK ENGINE START. 
Turn the ignition switch to START.
Does the engine start? Immobilizer system is normal. Go to step .
7 CHECK DTC. 
Read the DTC of body integrated unit using Subaru Select Monitor. Refer to SUBARU SELECT MONITOR .
Is the DTC displayed on screen? Go to step 10  . Replace the body integrated unit. Refer to BODY INTEGRATED UNIT . Register all ignition keys (transponders). Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER".
8 CHECK DTC. 
Read the DTC relating the ECM using the Subaru Select Monitor. Refer to SUBARU SELECT MONITOR .
Is the DTC displayed on screen? Go to step . Perform the diagnosis for engine system. Refer to PROCEDURE .
9 CHECK FREEZE FRAME DATA. 
Using the Subaru Select Monitor, check the Freeze Frame Data.
Was the Freeze Frame Data recorded? Record the data. Go to step 10  . Go to step 10  .
10 PERFORM DIAGNOSIS. 
  1. Inspect using the "Diagnostic Procedure with Diagnostic Trouble Code (DTC)". Refer to DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) .
  2. Repair the trouble cause.
  3. Perform the Clear Memory Mode.
  4. Read DTCs again.
Is the DTC displayed on screen? Inspect using the "Diagnostic Procedure with Diagnostic Trouble Code (DTC)". Refer to DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . Finish the diagnosis.
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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.