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Subaru Legacy Service Manual: Basic diagnostic procedure procedure

Subaru Legacy Service Manual / Infotainment system (diagnostics) / Basic diagnostic procedure procedure

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1.PERFORM CUSTOMER INTERVIEW.

Using the Check List for Interview, ask the customer the condition of how trouble occurs.

Did you interview the customer-

Basic Diagnostic Procedure > PROCEDURE

Interview the customer. Check List for Interview > CHECK

2.CHECK SUBARU SELECT MONITOR COMMUNICATION.

Check for communication with the infotainment system.

NOTE:

If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. Subaru Select Monitor > INSPECTION

Is communication possible-

Basic Diagnostic Procedure > PROCEDURE

Check the communication circuit.

3.CHECK DTC.

Using the Subaru Select Monitor, read DTC of the infotainment system. Read Diagnostic Trouble Code (DTC)

Is DTC displayed-

Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC)

After diagnosis, Basic Diagnostic Procedure > PROCEDURE

Basic Diagnostic Procedure > PROCEDURE

4.PERFORM DIAGNOSTICS WITH PHENOMENON.

Check the list of Diagnostics with Phenomenon. Diagnostics with Phenomenon

Does the symptom apply-

Perform diagnosis according to the procedures in the diagnostics with phenomenon.

Basic Diagnostic Procedure > PROCEDURE

5.CHECK TROUBLE PHENOMENON.

1) Perform the basic inspection. General Description > INSPECTION

2) Check the control module I/O signal. Control Module I/O Signal > ELECTRICAL SPECIFICATION

3) Perform check of current data. Read Current Data

Was the trouble cause found-

Perform the Clear Memory after repairing or replacing the cause of trouble. Clear Memory Mode

System is normal.

6.PERFORM DIAGNOSIS.

1) Perform the Clear Memory Mode. Clear Memory Mode

2) Perform the Inspection Mode. Inspection Mode

Is DTC displayed-

Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC)

Finish the diagnosis.

Infotainment system (diagnostics)
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Check list for interview check
• Inspect the following items regarding the vehicle’s state.• Print out this page for interviewing customers.1. MODEL WITH 7 INCH DISPLAYNOTE:For models with 6.2 inch display, refer ...

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