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 trouble occurs.

Did you interview the customer?

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

Interview the customer. Check List for Interview">

2.CHECK SUBARU SELECT MONITOR COMMUNICATION.

Check for communication with the radar sensor.

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">Go to Step 3.

Check the communication circuit.

3.CHECK RADAR SENSOR.

Read the DTC and cancel code of the radar sensors LH and RH using the Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)"> Read Cancel Code">

Is DTC displayed?

Perform the diagnosis according to DTC and cancel code. (Perform the diagnosis to the side that displayed the DTC.) List of Diagnostic Trouble Code (DTC)"> Read Cancel Code">

After diagnosis, Basic Diagnostic Procedure > PROCEDURE">Go to Step 6.

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

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">Go to Step 5.

5.CHECK TROUBLE PHENOMENON.

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

2) Check the radar sensor. Control Module I/O Signal">

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.

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.

Operation

Check list for interview Check

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