Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Subaru Forester XT, AutomaticFACTORY OEM SERVICE PROCEDURE
Read Diagnostic Trouble Code (DTC): Operation
- SUBARU SELECT MONITOR (NORMAL MODE)Β
- On the << Main Menu >> display screen, select the {Each System Check} and press the [YES] key.
- On the << System Selection Menu >> display screen, select the {Engine Control System} and press the [YES] key.
- Press the [YES] key after the information of engine type is displayed.
- On the << Engine Diagnosis >> display screen, select the {DTC Display} and press the [YES] key.
- On the << DTC Display >> display screen, select the {Current DTC} or {History DTC} and press the [YES] key.
NOTE:- For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL. .
- For detailed concerning DTC, refer to the List of Diagnostic Trouble Code (DTC). < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC)Β . >
- SUBARU SELECT MONITOR (OBD MODE)Β
- On the << Main Menu >> display screen, select the {2. Each System Check} and press the [YES] key.
- On the << System Selection Menu >> display screen, select the {Engine Control System} and press the [YES] key.
- Press the [YES] key after the information of engine type is displayed.
- On the << Engine Diagnosis >> display screen, select the {OBD System} and press the [YES] key.
- On the << OBD Menu >> display screen, select the {DTC Display} and press the [YES] key.
- Make sure that a DTC is shown on the display screen.
NOTE: For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL. .- For detailed concerning DTC, refer to the List of Diagnostic Trouble Code (DTC). < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC)Β . >
- OBD-II GENERAL SCAN TOOLΒ
Refers to data denoting emission-related powertrain DTC.
For details concerning DTC, refer to the List of Diagnostic Trouble Code (DTC). < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC)Β . >
NOTE: Refer to OBD-II general scan tool manufacturer's instruction manual to access emission-related powertrain DTC (MODE $03).
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
