LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0340: CMP Sensor (Phase) >> Diagnostic Procedure >> 1 . Check Starting System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

1 . Check Starting System

Turn ignition switch to START position.

  1. Does the engine turn over? 
  2. Does the starter motor operate? 

Yes or No 

Yes : GO TO 2.

No : Check starting system. (Refer to STARTERS .)