OBD2 Sensors >> Nissan 4.5L VK45DE/DD Engine Sensor Locations

View with engine cover installed.  2003 Infiniti Q45 4.5L VK45DE
  1. Fuel injectors (located on each side of the intake manifold)
  2. Mass airflow sensor (MAF)
  3. Camshaft position sensor (CMP) (located at the rear of driver’s side cylinder head)
  4. Oil pressure sensor (located at the lower front of the engine next to oil filter)
  5. Knock sensors (KS) (located on the rear of the engine under the intake manifold)
  6. Crankshaft position sensor (CKP) (located at front of engine near oil pan)
  7. Engine coolant temperature sensor (ECT) (located at the rear of engine driver side cylinder head)
  8. Ignition coils (on top of each cylinder head cover attached to spark plugs)
  9. Air Fuel Ratio Sensors (AFRS) (located at rear of engine in the exhaust manifold)
  10. Electronic Throttle Body / Throttle Control (top of engine driver’s side)
  11. Intake Valve Timing Control Solenoid Bank 1(driver side front of engine)
  12. Intake Valve Timing Control Solenoid Bank 2 (passenger side front of engine)
  13. Intake Valve Timing Control Position Sensor Bank 1(driver side front of engine)
  14. Intake Valve Timing Control Position Sensor Bank 2 (passenger side front of engine)

Models Found On

  • Nissan 350Z 2007
  • Nissan GT-R 2008-2009
  • Infiniti Q45 2002-2006
  • Infiniti FX45 2003-2008
  • Infiniti M45 2003-2010
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