Basic Diagnostic Procedure: Procedure

DIAGNOSTIC 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 Descriptions. 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 is thought to influence the AT problem working properly?	Go to step 2 .	Repair or replace each item.
2 CHECK AT OIL TEMP LIGHT. After the ignition switch is turned to ON, wait for at least 2 seconds.	Does the AT OIL TEMP light illuminate?	Go to step 4 .	Go to step 3 .
3 CHECK AT OIL TEMP LIGHT. Turn the ignition switch to OFF. Check the AT OIL TEMP light. Refer to INSPECTION , AT OIL TEMP Warning Light Display. After the ignition switch is turned to ON, wait for at least 2 seconds.	Does the AT OIL TEMP light blink?	Go to step 4 .	Go to step 5 .
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?	Go to step 6 . NOTE: Record all DTC.	Go to step 5 .
5 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 DTC.	Is DTC displayed?	Go to step 6 .	Inspect using GENERAL DIAGNOSTIC TABLE .
6 PERFORM DIAGNOSIS. Inspect using DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . NOTE: For DTC table, 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 DTC.	Is DTC displayed?	Inspect using DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) .	Inspect using GENERAL DIAGNOSTIC TABLE .