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 Identification
TROUBLE CODE IDENTIFICATION
| Code | Circuit Affected | Probable Cause | ||||
|---|---|---|---|---|---|---|
| 11 | Crank Angle Sensor | No Reference Signal | ||||
| 12 | Starter Switch | Open/Short Circuit | ||||
| 13 | TDC Sensor | No Reference Signal | ||||
| 14 | Injector No. 1 | Inoperative Injector | ||||
| 15 | Injector No. 2 | Inoperative Injector | ||||
| 16 | Injector No. 3 | Inoperative Injector | ||||
| 21 | Coolant Temperature Sensor | Open/Short Circuit | ||||
| 23 | Pressure Sensor | Open/Short Circuit | ||||
| 24 | ISC Solenoid Valve | Open/Short Circuit | ||||
| 26 | Air Temperature Sensor | Open/Short Circuit | ||||
| 32 | Oxygen (O2) Sensor | Inoperative O2 Sensor | ||||
| 33 | Vehicle Speed Sensor | No Reference Signal | ||||
| 35 | Purge Control Solenoid | Open/Short Circuit | ||||
| 36 | Igniter Circuit | Open/Short Circuit | ||||
| 41 | Air/Fuel Ratio Control System | Faulty Learning Control Function | ||||
| 42 | Idle Switch | Open/Short Circuit | ||||
| 43 | Throttle Switch | Open/Short Circuit | ||||
| 45 | Atmospheric Pressure Sensor | No Signal | ||||
| 52 | (1) Clutch Switch | Open/Short Circuit | ||||
| 52 | (2) Clutch Switch | Open/Short Circuit | ||||
| 62 | Electric Load Signal | Open/Short Circuit | ||||
| 63 | Blower Fan Switch | Open/Short Circuit | ||||
| 65 | Vacuum Pressure Sensor | Abnormal Signal | ||||
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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.