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.
1992 Subaru Justy BaseFACTORY OEM SERVICE PROCEDURE
Trouble Code Definition
TROUBLE CODE IDENTIFICATION
| Code | Circuit Affected | Probable Cause | ||
|---|---|---|---|---|
| 14 | Duty Solenoid (Fuel Control) | Open/Short Circuit | ||
| 15 | Coasting Fuel-Cut (CFC) System | Open/Short Circuit | ||
| 16 | Feedback System | D-CHECK Improperly Performed | ||
| 17 | Fuel Pump & Automatic Choke | Unit Failure | ||
| 21 | Coolant Temperature Sensor | Open/Short Circuit | ||
| 22 | VLC Solenoid Valve (1) | Open/Short Circuit | ||
| 23 | Pressure Sensor | Open/Short Circuit | ||
| 24 | Idle-Up Solenoid Valve | Open/Short Circuit | ||
| 25 | Float Chamber Vent Sol. Valve | Open/Short Circuit | ||
| 32 | Oxygen (O2) Sensor | Open/Short Ckt Or Defective Sensor | ||
| 33 | Vehicle Speed Sensor (VSS) | Faulty Sensor Or Control Unit | ||
| 34 | EGR Solenoid | Open/Short Ckt Or Defective Valve | ||
| 35 | Purge Control Solenoid | Open/Short Ckt Or Faulty Valve | ||
| 46 | Radiator Fan Control | Fan Motor, Relay, Open/Short Circuit | ||
| 52 | Clutch Switch | Open/Short Circuit | ||
| 53 | High Altitude Compensator Valve | Open/Short Ckt Or Faulty Valve | ||
| 62 | Idle-Up System | Faulty Headlight/Defogger Switch | ||
| 63 | Idle-Up System | Faulty Fan/Radiator Switch | ||
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NOTE:
The following diagnostic flow charts and mini-schematics are courtesy of Subaru of America, Inc.
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:
- • 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.