2013 Subaru TribecaFACTORY OEM SERVICE PROCEDURE

Basic Diagnostic Procedure: Procedure

NOTE:
  • To check the harness for open or short circuits, shake problem spot or connector.
  • Refer to "Check List for Interview". < Refer to CHECK LIST FOR INTERVIEW . >
Step Check Yes No
1 CHECK PRE-INSPECTION. 
  1. Ask the customer when and how the trouble occurred using the interview check list. < Refer to CHECK LIST FOR INTERVIEW . >
  2. Before performing diagnostics, check the component which might affect VDC problems. < Refer to INSPECTION , General Description. >
 Is the component that might influence the VDC problem normal? Go to step 2  . Repair or replace each component.
2 CHECK INDICATION OF DTC. 
  1. Turn the ignition switch to OFF.
  2. Connect the Subaru Select Monitor to data link connector.
  3. Turn the ignition switch to ON and run the Subaru Select Monitor.
  4. Read the DTC. < Refer to OPERATION , Read Diagnostic Trouble Code (DTC). >
    NOTE: If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. < Refer to COMMUNICATION FOR INITIALIZING IMPOSSIBLE , INSPECTION, Subaru Select Monitor. >
 Is DTC displayed? Record the DTC. Go to step 4  . Go to step 3  .
3 PERFORM GENERAL DIAGNOSTICS. 
  1. Perform the inspection by referring to "General Diagnostic Table". < Refer to INSPECTION , General Diagnostic Table. >
  2. Perform the Clear Memory Mode. < Refer to OPERATION , Clear Memory Mode. >
  3. Perform the Inspection Mode. < Refer to PROCEDURE , Inspection Mode. >
  4. Read the DTC. < Refer to OPERATION , Read Diagnostic Trouble Code (DTC). >
  5. Check the DTC is not displayed.
 Do the VDC warning light and ABS warning light go off after starting the engine? Finish the diagnosis. Check the combination meter circuit. < Refer to ABS WARNING LIGHT DOES NOT GO OFF , Warning Light Illumination Pattern. > < Refer to VDC WARNING LIGHT AND TCS OFF INDICATOR LIGHT DO NOT GO OFF , Warning Light Illumination Pattern. > < Refer to VDC WARNING LIGHT AND VDC INDICATOR LIGHT DO NOT GO OFF , Warning Light Illumination Pattern. >
4 CHECK FREEZE FRAME DATA. 
Using the Subaru Select Monitor, check the freeze frame data of the VDC control module.		 Are freeze frame data recorded? Record the freeze frame data. Go to step 5  . Go to step 5  .
5 PERFORM DIAGNOSIS. 
  1. Refer to "LIST OF DIAGNOSTIC TROUBLE CODE (DTC) ".
    NOTE: For the DTC list, refer to "LIST OF DIAGNOSTIC TROUBLE CODE (DTC) ". < Refer to LIST , List of Diagnostic Trouble Code (DTC). >
  2. Correct the cause of trouble.
  3. Perform the Clear Memory Mode. < Refer to OPERATION , Clear Memory Mode. >
  4. Perform the Inspection Mode. < Refer to PROCEDURE , Inspection Mode. >
  5. Read the DTC. < Refer to OPERATION , Read Diagnostic Trouble Code (DTC). >
 Is DTC displayed? Repeat step 5 until DTC is not shown. Finish the diagnosis.
Factory Service Tools

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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.

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