Subaru Legacy 2004 Service Manual page 2970

Step
4 PERFORM THE DIAGNOSIS.
1) Refer to the "List of Diagnostic Trouble
Code (DTC)". <Ref. to ABS(diag)-39, LIST, List
of Diagnostic Trouble Code (DTC).>
2) Fix the wrong part.
3) Perform clear memory mode. <Ref. to
ABS(diag)-17, CLEAR MEMORY MODE,
OPERATION, Subaru Select Monitor.>
4) Perform the inspection mode. <Ref. to
ABS(diag)-26, Inspection Mode.>
5) Read the DTC. <Ref. to ABS(diag)-15,
READ DIAGNOSTIC TROUBLE CODE (DTC),
OPERATION, Subaru Select Monitor.>
Basic Diagnostic Procedure
Is DTC displayed?
ABS(diag)-3
Check Yes
Repeat step 1 to 4
until DTC is not
shown.
ABS (DIAGNOSTICS)
No
Finish the diagno-
sis.