2017 Subaru Outback 2.5iFACTORY OEM SERVICE PROCEDURE

Basic Diagnostic Procedure: Procedure: Engine

WARNING: This page is about a different variant/trim than selected.
Step Check Yes No
1 CHECK ENGINE START FAILURE. 
  1. Ask the customer when and how the trouble occurred using the interview check list. Ref. to CHECK , Check List for Interview.
  2. Start the engine.
 Does the engine start? Go to step 2  Inspection using "Diagnostics for Engine Starting Failure" Ref. to DIAGNOSTICS FOR ENGINE STARTING FAILURE 
2 CHECK ILLUMINATION OF MALFUNCTION INDICATOR LIGHT.  Does the malfunction indicator light illuminate? Go to step 3  Inspection using "General Diagnostic Table". Ref. to INSPECTION , General Diagnostic Table.
3 CHECK COMMUNICATION STATUS. 
  1. Turn the ignition switch to OFF.
  2. Connect the Subaru Select Monitor or general scan tool to the data link connector.
  3. Turn the ignition switch to ON, and run the Subaru Select Monitor or general scan tool.
NOTE:
  • Subaru Select Monitor For detailed operation procedures, refer to the "Subaru Select Monitor". Ref. to SUBARU SELECT MONITOR 
  • General scan tool For detailed operation procedures, refer to the general scan tool operation manual.
 Does Subaru Select Monitor or general scan tool communicate with vehicle normally? Go to step 4  Inspection using LAN system "Diagnostic Procedure with Diagnostic Trouble Code (DTC)". Ref. to BASIC DIAGNOSTIC PROCEDURE
4 CHECK DTC. 
Read DTC using Subaru Select Monitor or general scan tool.
NOTE:
  • Subaru Select Monitor For detailed operation procedures, refer to "Read Diagnostic Trouble Code (DTC)". Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) 
  • General scan tool For detailed operation procedures, refer to the general scan tool operation manual.
 Is DTC displayed on Subaru Select Monitor or general scan tool? Record the DTC and freeze frame data. Repair the trouble cause. Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . After repair, go to the next step.
Go to step 5  .		 Repair the related parts.
NOTE: If DTC is not shown on display although the malfunction indicator light illuminates, perform the diagnosis of malfunction indicator light circuit or combination meter. Ref. to MALFUNCTION INDICATOR LIGHT 
5 PERFORM DIAGNOSIS. 
  1. Perform the Clear Memory Mode. Ref. to CLEAR MEMORY MODE 
  2. Perform the Inspection Mode or Drive Cycle. Ref. to INSPECTION MODE . Ref. to DRIVE CYCLE 
 Is DTC displayed on Subaru Select Monitor or general scan tool? Inspect using "Diagnostic Procedure with Diagnostic Trouble Code (DTC)". Ref. to DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) Finish the diagnosis.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.