LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2018 >> WRX Base >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Telematics System (Diagnostics) >> Basic Diagnostic Procedure >> Procedure

Basic Diagnostic Procedure: Procedure

  1. PERFORM CUSTOMER INTERVIEW  .

    Using the Check List for Interview, ask the customer the condition of how the trouble occurred. Ref. to TELEMATICS SYSTEM(DIAGNOSTICS)>Check List for Interview>CHECK 

    Did you interview the customer?

    Yes: Go to  2

    No: Interview the customer. Ref. to TELEMATICS SYSTEM(DIAGNOSTICS)>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".) Ref. to TELEMATICS SYSTEM(DIAGNOSTICS)>Subaru Select Monitor>INSPECTION 

    Is communication possible?

    Yes: Go to  3

    No: Check the communication circuit.

  3. CHECK TELEMATICS  .

    Using the Subaru Select Monitor, read DTC of the telematics system. Ref. to TELEMATICS SYSTEM(DIAGNOSTICS)>Diagnostic Code(s) Display>OPERATION 

    NOTE: If DTC is detected, only RED LED will illuminate. For details, refer to "LED operation status list". Ref. to TELEMATICS SYSTEM(DIAGNOSTICS)>Check List for Interview>CHECK>LED ILLUMINATION STATUS LIST 

    Are any DTCs displayed?

    Yes: Perform the diagnosis for the displayed DTCs. Ref. to TELEMATICS SYSTEM(DIAGNOSTICS)>Diagnostic Code(s) Display>LIST 

    No: Go to  4

  4. CHECK DIAGNOSTICS WITH PHENOMENON  .

    Check the list of Diagnostics with Phenomenon. Ref. to TELEMATICS SYSTEM(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 and function check. Ref. to TELEMATICS SYSTEM(DIAGNOSTICS)>General Description>INSPECTION 
    2. Check the data communication module. Ref. to TELEMATICS SYSTEM(DIAGNOSTICS)>Control Module I/O Signal 
    3. Perform check of current data. Ref. to TELEMATICS SYSTEM(DIAGNOSTICS)>Read Current Data 
    4. Perform a unit check.

    Was the trouble cause found?

    Yes: Perform the Clear Memory after repairing or replacing the cause of trouble. Ref. to TELEMATICS SYSTEM(DIAGNOSTICS)>Clear Memory Mode 

    No: System is normal.

scientia non olet · About LEMON Manuals