Basic Diagnostic Procedure: Procedure

Ask the customer when and how the trouble occurred using the interview check list. Ref. to Front Relay Control Module (Diagnostics)>Check List for Interview .

Did you interview the customer?

Yes:  Go to  2 .

No:  Perform the interview, and Go to  2 .

Perform basic inspection. Ref. to FRONT RELAY CONTROL MODULE (DIAGNOSTICS)>General Description>INSPECTION .

Is the check result OK?

Yes:  Go to  3 .

No:  Repair the faulty part found in basic inspection, and Go to  3 .

1. Turn the ignition switch to OFF.
2. Connect the Subaru Select Monitor to data link connector. Ref. to COMMON (DIAG)>DATA LINK CONNECTOR .
3. Turn the ignition switch to ON and run the Subaru Select Monitor.
4. Select [Front Relay Control Module].
   NOTE: For detailed operation procedures, refer to "Help" of application.

   Is communication possible?

   Yes:  Go to  4 .

   No:  Check the communication circuit. Ref. to Front Relay Control Module (Diagnostics)>Diagnostic Procedure for Subaru Select Monitor Communication .

1. Read the DTC of [Front Relay Control Module] using the Subaru Select Monitor. Ref. to Front Relay Control Module (Diagnostics)>Diagnostic Trouble Code (DTC) .
2. Record all DTCs and time stamp.
   NOTE: For time stamp, refer to "LAN SYSTEM". Ref. to LAN SYSTEM (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION>TIME STAMP .

   Are any DTCs displayed? (Current malfunction)

   Yes:  Record the DTC, time stamp and freeze frame data, and Go to  5 .

   No:  Perform diagnosis according to the procedures in the diagnostics with phenomenon. Ref. to Diagnostics With Phenomenon .

1. Perform the diagnosis according to the displayed DTC. Ref. to FRONT RELAY CONTROL MODULE (DIAGNOSTICS)>Diagnostic Trouble Code (DTC)>LIST .
2. Repair or replace the cause of trouble.
3. Using the Subaru Select Monitor, perform the clear memory of [Front Relay Control Module]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
4. Execute the inspection mode. Ref. to Front Relay Control Module (Diagnostics)>Inspection Mode .
5. Read the DTC of [Front Relay Control Module] using the Subaru Select Monitor. Ref. to Front Relay Control Module (Diagnostics)>Diagnostic Trouble Code (DTC) .

   Are any DTCs displayed? (Current malfunction)

   Yes:  Repeat step  5 until DTC is not shown.

   No:  Finish the diagnosis.