Basic Diagnostic Procedure: Procedure
- PERFORM CUSTOMER INTERVIEW.
Ask the customer when and how the trouble occurred using the interview check list. Refer to MULTI-FUNCTION DISPLAY (DIAGNOSTICS)>CHECK LIST FOR INTERVIEW .
Did you interview the customer?
Yes: Go to 2.
No: Perform the interview, and Go to 2.
- PERFORM BASIC INSPECTION.
Perform basic inspection. Refer to MULTI-FUNCTION DISPLAY (DIAGNOSTICS)>GENERAL DESCRIPTION>INSPECTION .
Is the check result OK?
Yes: Go to 3.
No: Repair the faulty part found in basic inspection, and Go to 3.
- CHECK SUBARU SELECT MONITOR COMMUNICATION.
- Turn the ignition switch to OFF.
- Connect the Subaru Select Monitor to data link connector. Refer to COMMON (DIAG)>DATA LINK CONNECTOR .
- Turn the ignition switch to ON and run the Subaru Select Monitor.
- Select [Multi-Function Display].NOTE: For detailed operation procedures, refer to "Help" of application.
Is communication possible?
Yes: Go to 4.
No: Check the communication circuit. Refer to MULTI-FUNCTION DISPLAY (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE FOR SUBARU SELECT MONITOR COMMUNICATION .
- CHECK CAN COMMUNICATION.
Perform the diagnosis for LAN system. Refer to LAN SYSTEM (DIAGNOSTICS) (EXCEPT FOR HEV)>BASIC DIAGNOSTIC PROCEDURE . Refer to LAN SYSTEM (DIAGNOSTICS) (HEV)>BASIC DIAGNOSTIC PROCEDURE .
Is the check result OK?
Yes: Go to 5.
No: Perform the inspection according to the diagnosis for LAN system.
- CHECK MFD.
Read the DTC of [Multi-Function Display] using the Subaru Select Monitor. Refer to MULTIFUNCTION DISPLAY (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Are any DTCs displayed? (Current malfunction)
Yes: Record the DTC, time stamp and freeze frame data, and Go to 7.
No: Go to 6.
- CHECK MFD.
Check MFD operation. Refer to MULTI-FUNCTION DISPLAY (DIAGNOSTICS)>ACTIVE TEST .
Is the check result OK?
Yes: System is normal. Refer to MULTI-FUNCTION DISPLAY (DIAGNOSTICS)>ACTIVE TEST .
No: Replace the MFD. Refer to INSTRUMENTATION/DRIVER INFO>MULTI-FUNCTION DISPLAY (MFD) .
- PERFORM DIAGNOSIS.
- Perform the diagnosis for the displayed DTCs.
- Repair or replace the cause of trouble.
- Using the Subaru Select Monitor, perform the clear memory of [Multi-Function Display]. Refer to COMMON (DIAG)>CLEAR MEMORY .
- Execute the inspection mode.
- Read the DTC of [Multi-Function Display] using the Subaru Select Monitor. Refer to MULTIFUNCTION DISPLAY (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Are any DTCs displayed? (Current malfunction)
Yes: Repeat step 7 until DTC is not shown. Go to 7.
No: Finish the diagnosis.