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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?

    Yes:  Go to  2.

    No:  Interview the customer. Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>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. Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>SUBARU SELECT MONITOR>INSPECTION .

    Is communication possible?

    Yes:  Go to  3.

    No:  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. Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>READ DIAGNOSTIC TROUBLE CODE (DTC) . Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>READ CANCEL CODE .

    Are any DTCs displayed?

    Yes:  Perform the diagnosis for the displayed DTCs and cancel code. (Perform the diagnosis to the side that displayed the DTC.) Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>READ CANCEL CODE .

    After diagnosis, Go to  6.

    No:  Go to  4.

  4. PERFORM DIAGNOSTICS WITH PHENOMENON. 

    Check the list of Diagnostics with Phenomenon. Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON .

    Does the symptom apply?

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

    No:  Go to  5.

  5. CHECK TROUBLE PHENOMENON. 
    1. Perform the basic inspection. Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>GENERAL DESCRIPTION>INSPECTION .
    2. Check the radar sensor. Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>CONTROL MODULE I/O SIGNAL .
    3. Perform check of current data. Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>READ CURRENT DATA .

    Was the trouble cause found?

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

    No:  System is normal.

  6. PERFORM DIAGNOSIS. 
    1. Perform the Clear Memory Mode. Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>CLEAR MEMORY MODE .
    2. Perform the Inspection Mode. Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>INSPECTION MODE .

    Are any DTCs displayed?

    Yes:  Perform the diagnosis for the displayed DTCs. Ref. to BLIND SPOT DETECTION/REAR CROSS TRAFFIC ALERT (DIAGNOSTICS)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .

    No:  Finish the diagnosis.