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.
1985 Subaru XT DLFACTORY OEM SERVICE PROCEDURE
Exiting Diagnostic Modes
Regular mode test is always active in ECC system. Only test mode can be selected by technicians. Disconnect test mode connector to exit test mode.
LIST OF ECM TROUBLE CODES
| Trouble Code | Component Affected | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11 | Ignition Pulse System (1) (Engine OFF) | ||||||||||||||||||||
| 12 | Ignition Pulse System (2) (Engine OFF) | ||||||||||||||||||||
| 15 | Ignition Pulse System (3) (Engine OFF) | ||||||||||||||||||||
| 71 | Ignition Pulse System (4) (Engine OFF) | ||||||||||||||||||||
| 72 | Ignition Pulse System (5) (Engine OFF) | ||||||||||||||||||||
| 73 | Ignition Pulse System (6) (Engine OFF) | ||||||||||||||||||||
| 74 | Ignition Pulse System (7) (Engine OFF) | ||||||||||||||||||||
| 22 | Speed Sensor | ||||||||||||||||||||
| 23 | O2Sensor | ||||||||||||||||||||
| 24 | Thermosensor | ||||||||||||||||||||
| 25 | Pressure Sensor | ||||||||||||||||||||
| 32 | Duty Solenoid Valve System | ||||||||||||||||||||
| 33 (8) | Main System in Feedback System | ||||||||||||||||||||
| 34 | Back-Up System | ||||||||||||||||||||
| 42 (9) | Clutch Switch System | ||||||||||||||||||||
| 52 | Air Suction Controlling Solenoid Valve | ||||||||||||||||||||
| 53 | Fuel Pump Control System | ||||||||||||||||||||
| 54 | Auto. Choke Control | ||||||||||||||||||||
| 55 (10) | Shift-Up System | ||||||||||||||||||||
| 62 | EGR Solenoid Valve | ||||||||||||||||||||
| 63 | Canister Purge Solenoid Valve | ||||||||||||||||||||
| 64 | Vacuum Sensor Solenoid Valve | ||||||||||||||||||||
| 65 | Fuel Bowl Vent Solenoid Valve | ||||||||||||||||||||
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Factory Service Tools
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.