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Home >> Subaru >> 1991 >> Legacy LSi, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Code Charts >> Basic Operation Of Self-Diagnostic System >> During "TROUBLE" Condition

During "TROUBLE" Condition

BASIC OPERATION OF SELF-DIAGNOSTIC SYSTEM - TROUBLE MENU

Engine & Connector Conditions CHECK ENGINE Light should Be: (O2 Monitor) Should Read:
U-Check, Engine Off, Ignition Switch On, Read Memory Connector Disconnected, Test Mode Connector Disconnected On Vehicle Specifications Code Displayed
Read Memory, Ignition Switch On, Read Memory Connector Connected, Test Mode Connector Disconnected Trouble Code (Memory) Trouble Code (Memory)
D-Check, Engine On, Read Memory Connector Disconnected, Test Mode Connector Connected (1) Trouble Code (1) Trouble Code
Clear Memory, Engine On, Read Memory Connector Connected, Test Mode Connector Connected (1) Trouble Code (1) Trouble Code
(1) When the engine operates at a speed greater than 2000 RPM for more than 40 seconds, a trouble code is displayed.