LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 1990 >> Loyale RS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - TBI >> Trouble Code Identification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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  Crank Angle Sensor No Position Pulse
14  Fuel Injector Abnormal Injector Output
21  Coolant Temperature Sensor Open/Short Circuit
23  Airflow Meter Circuit Open/Short Circuit
24  Air Control Valve Inoperative Air Control Valve
31  Throttle Position Sensor Open/Short Circuit
32  Oxygen (O2) Sensor Abnormal Sensor Signal
33  Vehicle Speed Sensor No Reference Signal
34  EGR Valve Solenoid Open/Short Circuit Or EGR System
35  Purge Control Solenoid Valve Open/Short Circuit
42  Idle Switch Abnormal Reference Signal
45  Kickdown Control Relay Open/Short Circuit
51  Neutral Switch (A/T & M/T) Shorted Circuit
55  EGR Temp. Sensor (Calif. Only) Open/Short Circuit
61  Parking Brake Switch (A/T) Open/Short Circuit.