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 5AT-33, Stall Test. Line pressure test Refer to LINE PRESSURE TEST 5AT-35, Line Pressure Test. Transfer clutch pressure test Refer to TRANSFER CLUTCH PRESSURE TEST 5AT-36, Transfer Clutch Pressure Test. Time lag test Refer to TIME LAG TEST 5AT-34, Time Lag Test. Road test Refer to ROAD TEST 5AT-32, Road Test. Inhibitor switch Refer to INHIBITOR SWITCH 5AT-50, 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 the 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 . NOTE: When the AT OIL TEMP light blinks, check if the learning has completed.
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 .
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 . Read the DTC.	Is DTC displayed on Subaru Select Monitor?	Go to step 7.	Finish the diagnosis.
7 PERFORM DIAGNOSIS. Inspect by referring to "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 . Read the DTC.	Is DTC displayed on Subaru Select Monitor?	Inspect again using Diagnostic Procedure with Diagnostic Trouble Code (DTC). Refer to , DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) .	Finish the diagnosis.