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Home >> Mercury >> 1981 >> Lynx LS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> MCU Engine Control System >> Operation >> Engine Sensors >> Self-Test Connector

Self-Test Connector

The MCU can self-diagnosis most common operating problems. In order to initiate and read the diagnostic program, connections are made to the Self-Test connector. It provides voltage pulses which can be read by a specialized tester (Rotunda 07-0004) or a dial-type voltmeter.

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