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Home >> Mitsubishi >> 1986 >> Mirage Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> ECI CEC System >> Testing & Diagnosis >> Self-Diagnosis Test

Self-Diagnosis Test

  1. Turn ignition switch to "OFF" position.
  2. Turn ignition switch to "ON" position and indication of ECU memory will start. If there is any abnormality in the memory, perform the necessary component repairs. Turn ignition off and disconnect battery negative ground cable for 15 seconds or more to erase ECU memory.
NOTE: Before disconnecting battery terminals, make sure that ignition is off. Disconnecting terminals with ignition on or engine running could damage computer system.
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