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.
Read Diagnostic Trouble Code
- Prepare Subaru Select Monitor kit.
- Connect diagnosis cable to Subaru Select Monitor.
- Insert cartridge into Subaru Select Monitor. See PREPARATION TOOL .
- Connect Subaru Select Monitor to data link connector.
- Data link connector located in the lower portion of the instrument panel (on the driver's side).
- Connect diagnosis cable to data link connector.
- Turn ignition switch to ON (engine OFF) and Subaru Select Monitor switch to ON.
- 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 {Brake Control System} and press the [YES] key.
- Press the [YES] key after displayed the information of engine type.
- On the << Brake Diagnosis >> display screen, select the {Diagnostic Code(s) Display} and press the [YES] key.
- On the << Diagnostic Code(s) Displays >> display screen, select the {Current Diagnostic Code(s)} or {History Diagnostic Code(s)} and press the [YES] key.
- For detailed operation procedure, see Subaru Select Monitor .
- For detailed concerning diagnostic trouble codes, see List of Diagnostics Trouble Code .
- A maximum of 3 trouble codes are displayed in order of occurrence.
"a" refers to trouble codes in order of occurrence (Latest, Old, Older).
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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