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Home >> Subaru >> 2006 >> B9 Tribeca Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (Diagnostics) 5AT >> Basic Diagnostic Procedure >> Procedure

Basic Diagnostic Procedure: Procedure

DIAGNOSIS PROCEDURE

Step Check Yes No
1 CHECK PRE-INSPECTION. 
  1. Ask the customer when and how the trouble occurred using the interview checklist. < Ref. to CHECK LIST FOR INTERVIEW . >
  2. Before performing diagnosis, inspect the following item which might influence the AT problems.
Is the unit that might influence the AT problem normal? Go to step 2.  Repair or replace each item.
2 CHECK SPORT INDICATOR LIGHT. 
After the ignition switch is turned to ON, wait for at least 2 seconds.
Does the SPORT indicator light illuminate? Go to step 4.  Go to step 3. 
3 CHECK SPORT INDICATOR LIGHT. 
  1. Turn the ignition switch to OFF.
  2. Check the SPORT indicator light. < Ref. to INSPECTION , SPORT INDICATOR LIGHT DISPLAY. >
  3. After the ignition switch is turned to ON, wait for at least 2 seconds.
Does the SPORT indicator light blink? Go to step 4.  Go to step 5. 
4 CHECK DTC. 
Read the DTC. < Ref. to OPERATION , READ DIAGNOSTIC TROUBLE CODE (DTC). >
NOTE: If the communication function of Subaru Select Monitor cannot be executed normally, check communication circuit. < Ref. to COMMUNICATION FOR INITIALIZING IMPOSSIBLE , DIAGNOSTIC PROCEDURE FOR SUBARU SELECT MONITOR COMMUNICATION. >
Is DTC displayed? Go to step 6. 
NOTE: Record all DTCs.
Go to step 5. 
5 PERFORM GENERAL DIAGNOSTICS. 
  1. Inspect using "Diagnostic Procedure without Diagnostic Trouble Code (DTC)". < Ref. to DIAGNOSTIC PROCEDURE WITHOUT DIAGNOSTIC TROUBLE CODE (DTC) . >
  2. Perform the clear memory mode.
  3. Perform the inspection mode. < Ref. to INSPECTION MODE . >
  4. Display DTC.
Is DTC displayed? Go to step 6.  Inspect using "General Diagnostic Table". < Ref. to GENERAL DIAGNOSTIC TABLE . >
6 PERFORM THE DIAGNOSIS. 
  1. Inspect using the "Diagnostic Procedure with Diagnostic Trouble Code (DTC)". < Ref. to DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . >
    NOTE: For DTC table, refer to "List of Diagnostic Trouble Code (DTC)." < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . >
  2. Repair the trouble cause.
  3. Perform the clear memory mode.
  4. Perform the inspection mode. < Ref. to INSPECTION MODE . >
  5. Display DTC.
Is DTC displayed? Inspect using the "Diagnostic Procedure with Diagnostic Trouble Code (DTC)". < Ref. to DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . > Inspect using "General Diagnostic Table". < Ref. to GENERAL DIAGNOSTIC TABLE . >