Nissan Maxima Service and Repair Manual: Intake valve timing control

System Diagram

Nissan Maxima. System Diagram

System Description

INPUT/OUTPUT SIGNAL CHART

Nissan Maxima. INPUT/OUTPUT SIGNAL CHART

*: This signal is sent to the ECM via the CAN communication line

SYSTEM DESCRIPTION

Nissan Maxima. SYSTEM DESCRIPTION

This mechanism hydraulically controls cam phases continuously with the fixed operating angle of the intake valve.

The ECM receives signals such as crankshaft position, camshaft position, engine speed, and engine coolant temperature. Then, the ECM sends ON/OFF pulse duty signals to the intake valve timing (IVT) control solenoid valve depending on driving status. This makes it possible to control the shut/open timing of the intake valve to increase engine torque in low/mid speed range and output in high-speed range.

Component Parts Location

Nissan Maxima. Component Parts Location

  1. Intake valve timing control solenoid valve (bank 1)
  2. Electronic controlled engine mount control solenoid valve
  3. Exhaust valve timing control magnet retarder (bank 2)
  4. Intake valve timing control solenoid valve (bank 2)
  5. Knock sensor (bank 1 and 2)
  6. Fuel injector (bank 2)
  7. Ignition coil (with power transistor) and spark plug (bank 2)
  8. Exhaust valve timing control position sensor (bank 2)
  9. Crankshaft position sensor (POS)
  10. Engine coolant temperature sensor
  11. Camshaft position sensor (PHASE) (bank 2)
  12. Transmission range switch
  13. Refrigerant pressure sensor
  14. ECM
  15. Battery current sensor
  16. Condenser-2 17. EVAP canister purge volume control solenoid valve
  17. Mass air flow sensor (with intake air temperature sensor)
  18. Camshaft position sensor (PHASE) (bank 1)
  19. EVAP service port
  20. Power valve actuator 2
  21. Electric throttle control actuator
  22. Exhaust valve timing control position sensor (bank 1)
  23. Ignition coil (with power transistor) and spark plug (bank 1)
  24. Fuel injector (bank 1)
  25. VIAS control solenoid valve 1 and 2
  26. Power valve actuator 1
  27. Exhaust valve timing control magnet retarder (bank 1)
  28. Power steering pressure sensor

Nissan Maxima. Component Parts Location

  1. Mas air flow sensor (with intake air temperature sensor)
  2. Air cleaner case
  3. Engine coolant temperature sensor (view with engine cover removed)
  4. EVAP canister purge volume control solenoid valve (view with engine cover removed)
  5. Power valve actuator 1 (view with engine cover removed)
  6. VIAS control solenoid valve 1
  7. VIAS control solenoid valve 2
  8. Power valve actuator 2
  9. Power steering pressure sensor
  10. Tie rod (RH)
  11. Camshaft position sensor (PHASE) (bank 1) (view with air cleaner case removed)
  12. Exhaust valve timing control position sensor (bank 1)
  13. Camshaft position sensor (PHASE) (bank 2) (view with air cleaner case removed)
  14. Exhaust valve timing control position sensor (bank 2)
  15. Engine oil temperature sensor
    : Vehicle fron

Nissan Maxima. Component Parts Location

  1. A/F sensor 1 (bank 1) (view with engine removed)
  2. A/F sensor 1 (bank 2)
  3. HO2S2 (bank 1) harness connector (view with engine removed)
  4. HO2S2 (bank 2) harness connector
  5. Front engine mount
  6. Crankshaft position sensor (POS)
    : Vehicle front

Nissan Maxima. Component Parts Location

  1. Electronic controlled engine mount control solenoid valve (view with engine cover removed)
  2. EVAP control system pressure sensor (view with rear suspension member removed)
  3. EVAP canister vent control valve
  4. EVAP canister
  5. Fuel injector harness connector (view with intake manifold collector removed)
  6. Exhaust valve timing control magnet retarder (bank 1) (view with engine removed)
  7. Intake valve timing control solenoid valve (bank 1)
  8. Intake valve timing control solenoid valve (bank 2)
  9. Exhaust valve timing control magnet retarder (bank 2)
    : Vehicle front

Nissan Maxima. Component Parts Location

  1. Knock sensor (bank 2) (view with intake manifold removed)
  2. Knock sensor (bank 1)
  3. Transmission range switch (view with CVT removed)
  4. Battery
  5. IPDM E/R
  6. ECM
  7. Refrigerant pressure sensor (view with front grille removed)
  8. Accelerator pedal position sensor
    : Vehicle front

Nissan Maxima. Component Parts Location

  1. Stop lamp switch
  2. ASCD brake switch
  3. ASCD steering switch

Component Description

Component Reference

  • Camshaft position sensor (PHASE) EC-300, "Description"
  • Crankshaft position sensor (POS) EC-296, "Description"
  • Engine coolant temperature sensor EC-201, "Description"
  • Intake valve timing control solenoid valve
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