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Home >> Subaru >> 1991 >> XT Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - PFI >> Diagnostic Code Chart >> Basic Operation Of Self-Diagnostic System >> During "TROUBLE" Conditions
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During "TROUBLE" Conditions

BASIC OPERATION OF SELF-DIAGNOSTIC SYSTEM - TROUBLE MENU

Engine & Connector Conditions "CHECK ENGINE" Light should Be: O2 Monitor Lamp Should Read:
Engine On, Read Memory Connector Disconnected, Test Mode Connector Disconnected On Trouble Code
Engine On, Read Memory Connector Connected, Test Mode Connector Disconnected On Trouble Code (Memory)
Engine On, Read Memory Connector Disconnected, Test Mode Connector Connected (1) Off Vehicle Specification Code Displayed
" (1) On Trouble Code
Engine Off, Ignition Switch On, Read Memory Connector Connected, Test Mode Connector Disconnected On Trouble Code (Memory)
Stall, Ignition Switch On, Read Memory Connector Disconnected, Test Mode Connector Disconnected On Trouble Code
Stall, Ignition Switch On, Read Memory Connector Disconnected, Test Mode Connector Connected On Trouble Code
Stall, Ignition Switch On, Read Memory Connector Connected, Test Mode Connector Connected On Trouble Code
(1) The indication is not changed until the engine is operated at a speed greater than 2000 RPM for at least 40 seconds.