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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Ignition Signal >> Diagnostic Procedure >> 1. Check Engine Start
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1. Check Engine Start

Turn ignition switch OFF, and restart engine.

Is engine running? 

Yes or No 

Yes (With CONSULT-II): GO TO 2.

Yes (Without CONSULT-II): GO TO 3.

No: GO TO 4.