LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Injector Circuit >> Diagnostic Procedure >> 1. Inspection Start
April 5, 2026: LEMON Manuals is launched! Read the announcement.

1. Inspection Start

Turn ignition switch to START.

Is any cylinder ignited? 

Yes or No 

Yes: GO TO 2.

No: GO TO 3.