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Home >> Subaru >> 1993 >> Impreza LS, 4D Sedan, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Trouble Code Definition
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Trouble Code Definition

TROUBLE CODE IDENTIFICATION CHART

Code Circuit Affected Probable Cause
11  Crankshaft Position Sensor No Reference Signal
12  Starter Switch Switch/Wiring Defective
13  Camshaft Position Sensor Open/Short Circuit Or Defective Sensor
14  Fuel Injector No. 1 Injector/Harness Defective
15  Fuel Injector No. 2 Injector/Harness Defective
16  Fuel Injector No. 3 Injector/Harness Defective
17  Fuel Injector No. 4 Injector/Harness Defective
21  Coolant Temperature Sensor Open/Short Circuit Or Defective Sensor
23  Mass Airflow Sensor Open/Short Circuit Or Defective Sensor
24  Idle Air Control Solenoid Valve Open/Short Circuit Or Defective Solenoid
31  Throttle Position Sensor Open/Short Circuit Or Defective Sensor
32  O2 Sensor Open/Short Circuit Or Defective Sensor
33  Vehicle Speed Sensor No. 2 Open/Short Circuit Or Defective Sensor
34  EGR Solenoid Valve Open/Short Circuit Or Defective Solenoid
35  Purge Control Solenoid Valve Open/Short Circuit Or Defective Solenoid
36  Air Suction Solenoid Valve Open/Short Circuit Or Defective Valve
41  Air/Fuel Learning Control Faulty Lean Control Function
51  Neutral Position Switch (M/T) Open/Short Circuit Or Defective Switch
51  Inhibitor Switch (A/T) Open/Short, Cable Adjust, Or Def. Switch
55  Recirculation Gas Temperature Sensor . Open/Short Circuit Or Defective Sensor
56  EGR System Faulty EGR System Function