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Home >> Nissan-Datsun >> 1995 >> Sentra GLE, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes 1.6L >> Self-Diagnostic System >> Self-Diagnostic System >> Notes

Self-Diagnostic System: Notes

Self-diagnostic system will operate in 2 modes which are manually selected using a screwdriver through access port on ECM. With ignition switch in ON position and engine not running, use screwdriver to turn switch fully clockwise. Wait at least 2 seconds. Turn screwdriver fully counterclockwise. MIL will begin to flash.

NOTE: Modes cannot be switched while engine is running. When ignition switch is turned to OFF position while in Mode II, ECM switches to Mode I.
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