Nissan Maxima Service and Repair Manual: System description

ENGINE CONTROL SYSTEM

System Diagram

Nissan Maxima. System Diagram

System Description

ECM performs various controls such as fuel injection control and ignition timing control.

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)
  11. Transmission range switch
  12. Refrigerant pressure sensor
  13. ECM
  14. Battery current sensor
  15. Condenser-2
  16. 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 front

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

  • A/F sensor 1 EC-218, "Description"
  • A/F sensor 1 heater EC-170, "Description"
  • Accelerator pedal position sensor EC-467, "Description"
  • ASCD brake switch EC-429, "Description"
  • ASCD steering switch EC-426, "Description"
  • Battery current sensor EC-414, "Description"
  • Camshaft position sensor (PHASE) EC-300, "Description"
  • Crankshaft position sensor (POS) EC-296, "Description"
  • Cooling fan motor EC-486, "Description"
  • Electric throttle control actuator EC-465, "Description"
  • Electronic controlled engine mount EC-493, "Description"
  • Engine coolant temperature sensor EC-201, "Description"
  • Engine oil temperature sensor EC-277, "Description"
  • EVAP canister purge volume control solenoid valve EC-323, "Description"
  • EVAP canister vent control valve EC-333, "Description"
  • EVAP control system pressure sensor EC-343, "Description"
  • Fuel injector EC-496, "Description"
  • Fuel level sensor EC-372, "Description"
  • Fuel pump EC-499, "Description"
  • Fuel tank temperature sensor EC-269, "Description"
  • Heated oxygen sensor 2 EC-230, "Description"
  • Heated oxygen sensor 2 heater EC-173, "Description"
  • Ignition coil with power transistor EC-502, "Description"
  • Intake air temperature sensor EC-198, "Description"
  • Intake valve timing control solenoid valve EC-177, "Description"
  • Knock sensor EC-293, "Description"
  • Mass air flow sensor
  • PCV valve EC-514, "Description"
  • Power steering pressure sensor EC-386, "Description"
  • Power valves 1 and 2 EC-518, "Description"
  • Refrigerant pressure sensor EC-515, "Description"
  • Stop lamp switch EC-448, "Description"
  • TCM EC-397, "Description"
  • Throttle control motor EC-462, "Description"
  • Throttle control motor relay EC-456, "Description"
  • Throttle position sensor EC-207, "Description"
  • VIAS control solenoid valve 1 EC-442, "Description"
  • VIAS control solenoid valve 2
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Multiport fuel injection system
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Other materials:

Service data and specifications (SDS)
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Insufficient cooling
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Nissan Maxima Owners Manual

Nissan Maxima Service and Repair Manual

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