Basic Diagnostic Procedure: Procedure

Step	Check	Yes	No
1 CHECK PRE-INSPECTION. Ask the customer when and how the trouble occurred using the interview check list. < Refer to CHECK LIST FOR INTERVIEW . > Check the following items which may be affecting the AT trouble. General inspection < Refer to INSPECTION , General Description. > Oil leakage Stall speed test < Refer to STALL TEST . > Line pressure test < Refer to LINE PRESSURE TEST . > Transfer clutch pressure test < Refer to TRANSFER CLUTCH PRESSURE TEST . > Time lag test < Refer to TIME LAG TEST . > Road test < Refer to ROAD TEST . > Inhibitor switch < Refer to INHIBITOR SWITCH . >	Is the item that might influence the AT problem normal?	Go to step 2 .	Repair or replace items which might affect the AT problem.
2 CHECK AT OIL TEMP LIGHT. Turn the ignition switch to ON and wait for at least 2 seconds.	Does the AT OIL TEMP light illuminate?	Go to step 3 .	Check the AT OIL TEMP light.
3 CHECK AT OIL TEMP LIGHT. Start the engine and wait for 2 seconds or more.	Does the AT OIL TEMP light blink?	Go to step 4 .	Go to step 6 .
4 CHECK DTC. Read the DTC. < Refer to OPERATION , Read Diagnostic Trouble Code (DTC). > NOTE: If the communication function of Subaru Select Monitor cannot be executed normally, check communication circuit. < Refer to COMMUNICATION FOR INITIALIZING IMPOSSIBLE , Diagnostic Procedure for Subaru Select Monitor Communication. >	Is DTC displayed on Subaru Select Monitor?	Record all DTC. Go to step 5 .	Go to step 6 .
5 CHECK FREEZE FRAME DATA. Using the Subaru Select Monitor, check the Freeze Frame Data.	Are freeze frame data recorded?	Record the freeze frame data. Go to step 7 .	Go to step 7 .
6 PERFORM GENERAL DIAGNOSTICS. Inspect using "Diagnostic Procedure without Diagnostic Trouble Code (DTC)". < Refer to DIAGNOSTIC PROCEDURE WITHOUT DIAGNOSTIC TROUBLE CODE (DTC) . > Perform the Clear Memory Mode. Perform the Inspection Mode. < Refer to INSPECTION MODE . > Display the DTC.	Is DTC displayed on Subaru Select Monitor?	Go to step 7 .	Finish the diagnosis.
7 PERFORM DIAGNOSIS. Inspect using "Diagnostic Procedure with Diagnostic Trouble Code (DTC)". < Refer to DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . > NOTE: For the DTC table, refer to "List of Diagnostic Trouble Code (DTC)". < Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > Repair the trouble cause. Perform the Clear Memory Mode. Perform the Inspection Mode. < Refer to INSPECTION MODE . > Display the DTC.	Is DTC displayed on Subaru Select Monitor?	Inspect using "Diagnostic Procedure with Diagnostic Trouble Code (DTC)". < Refer to DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . >	Finish the diagnosis.