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Home >> Mitsubishi >> 1986 >> Starion ESI-R >> Repair and Diagnosis >> Engine Performance >> System >> ECI CEC System >> Testing >> Self-Diagnosis Test
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Self-Diagnosis Test

  1. Turn ignition switch to "OFF" position. On Starion models, connect voltmeter between Self-Diagnosis Output and Ground of diagnosis connector, located in engine compartment. See Figure .
  2. For all models, 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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