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
How to erase permanent DTC
Description OUTLINE When a DTC is stored in ECM When a DTC is stored in ECM and MIL is ON, a permanent DTC is erased with MIL shutoff if the same malfunction is not detected after performing th ...

Multiport fuel injection system
System Diagram System Description INPUT/OUTPUT SIGNAL CHART *1: This sensor is not used to control the engine system under normal conditions. *2: This signal is sent to the ECM via the ...

Other materials:

Vehicle Dynamic Control (VDC) off switch
The vehicle should be driven with the VDC system on for most driving conditions. If the vehicle is stuck in mud or snow, the VDC system reduces the engine output to reduce wheel spin. The engine speed will be reduced even if the accelerator is depressed to the floor. If maximum engine po ...

Intelligent key battery
Removal and Installation Release the lock knob at the back of the Intelligent Key and remove the mechanical key. Insert a suitable tool (A) wrapped with a cloth into the slit of the corner and twist it to separate the upper part from the lower part. Replace the battery with new o ...

Symptom diagnosis
REFRIGERATION SYSTEM SYMPTOMS WITH COLOR DISPLAY WITH COLOR DISPLAY : Trouble Diagnoses for Abnormal Pressure Whenever system′s high and/or low side pressure is abnormal, diagnose using a manifold gauge. The marker above the gauge scale in the following tables indicates the standard (us ...

Nissan Maxima Owners Manual

Nissan Maxima Service and Repair Manual

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