Subaru Crosstrek Service Manual: Basic diagnostic procedure Procedure

1.PERFORM CUSTOMER INTERVIEW.

Using the Check List for Interview, ask the customer the condition of how the trouble occurred. Check List for Interview > CHECK">

Did you interview the customer?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 2.

Interview the customer. Check List for Interview > CHECK">

2.CHECK SUBARU SELECT MONITOR COMMUNICATION.

Using the Subaru Select Monitor, check whether communication to the telematics system can be executed.

NOTE:

If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. (Refer to "Communication for initializing impossible".) Subaru Select Monitor > INSPECTION">

Is communication possible?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 3.

Check the communication circuit.

3.CHECK TELEMATICS.

Using the Subaru Select Monitor, read DTC of the telematics system. Diagnostic Code(s) Display > OPERATION">

NOTE:

If DTC is detected, only RED LED will illuminate. For details, refer to "LED operation status list". Check List for Interview > CHECK">

Is DTC displayed?

Perform the diagnosis for the displayed DTCs. Diagnostic Code(s) Display > LIST">

Basic Diagnostic Procedure > PROCEDURE">Go to Step 4.

4.CHECK 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">Go to Step 5.

5.CHECK TROUBLE PHENOMENON.

1) Perform the basic inspection and function check. General Description > INSPECTION">

2) Check the data communication module. Control Module I/O Signal">

3) Perform check of current data. Read Current Data">

4) Perform a unit check.

Was the trouble cause found?

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

System is normal.

Operation

Check list for interview Check

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