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Home >> Infiniti >> 1990 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Optical Ignition System Checks (M30) >> Output Signal Circuit

Output Signal Circuit

Check harness continuity between power transistor terminal "g" and ECU terminal No. 1. Continuity should be present. If continuity is not present, repair or replace wiring harness or connectors.