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Home >> Nissan-Datsun >> 2023 >> Maxima SR >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 2) >> System Description >> Component Parts >> Engine Control System >> Component Location
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Component Location

ENGINE ROOM 

GNSDB55701Courtesy of NISSAN
No. Component Function
SYMBOL IPDM E/R
  • IPDM E/R control the internal relays and the actuators. Refer to System Description .
  • When CAN communication with ECM is impossible, IPDM E/R performs fail-safe control. Refer to Fail Safe .
SYMBOL Mass air flow sensor (with intake air temperature sensor) Mass Air Flow Sensor (With Intake Air Temperature Sensor) 
SYMBOL Electric throttle control actuator Electric Throttle Control Actuator 
SYMBOL Power valve actuator 2 Power Valve Actuator 1 and 2 
SYMBOL EVAP canister purge volume control solenoid valve EVAP Canister Purge Volume Control Solenoid Valve 
SYMBOL VIAS control solenoid valve 2 VIAS Control Solenoid Valve 1 and 2 
SYMBOL VIAS control solenoid valve 1 VIAS Control Solenoid Valve 1 and 2 
SYMBOL ABS actuator and electric unit (control unit) Mainly transmits the following signal to ECM via CAN communication.
  • VDC operation signal
  • TCS operation signal

Refer to Component Location for detailed installation location.
SYMBOL Power steering oil pump assembly (with power steering control module) Mainly transmits the following signal to ECM via CAN communication.
  • EPS operation signal

Refer to Component Location for detailed installation location.
SYMBOL Electronic controlled engine mount control solenoid valve Electronic Controlled Engine Mount 
SYMBOL Power valve actuator 1 Power Valve Actuator 1 and 2 
SYMBOL Cooling fan motor-2 Cooling Fan Motor 
SYMBOL Cooling fan motor-1 Cooling Fan Motor 
SYMBOL TCM Mainly transmits the following signal to ECM via CAN communication.
  • Self diagnosis signal
  • Shift position signal
  • Output shaft revolution signal
  • Drive mode signal

Refer to Component Location for detailed installation location.
SYMBOL ECM ECM 
SYMBOL Refrigerant pressure sensor Refrigerant Pressure Sensor  Refer to Component Location for detailed installation location.
SYMBOL Battery current sensor (with battery temperature sensor) Battery Current Sensor (With Battery Temperature Sensor) 
SYMBOL Cooling fan relay-2 -
SYMBOL Cooling fan relay-3

ENGINE 

GNSDB53758Courtesy of NISSAN
SYMBOL Engine rear upper-left SYMBOL Engine top center SYMBOL Engine front lower-right
SYMBOL : Vehicle front        
No. Component Function
SYMBOL Camshaft position sensor (PHASE) (bank 1) Camshaft Position Sensor (PHASE) 
SYMBOL Exhaust valve timing control position sensor (bank 1) Exhaust Valve Timing Control Position Sensor 
SYMBOL Ignition coil (with power transistor) (bank 1) Ignition Coil (With Power Transistor) 
SYMBOL PCV valve Positive Crankcase Ventilation (PCV) 
SYMBOL Intake valve timing intermediate lock control solenoid valve (bank 1) Intake Valve Timing Intermediate Lock Control Solenoid Valve 
SYMBOL Intake valve timing control solenoid valve (bank 1) Intake Valve Timing Control Solenoid Valve 
SYMBOL Exhaust valve timing control solenoid valve (bank 1) Exhaust Valve Timing Control Solenoid Valve 
SYMBOL Engine oil pressure sensor Engine Oil Pressure Sensor 
SYMBOL Exhaust valve timing control solenoid valve (bank 2) Exhaust Valve Timing Control Solenoid Valve 
SYMBOL Intake valve timing control solenoid valve (bank 2) Intake Valve Timing Control Solenoid Valve 
SYMBOL Intake valve timing intermediate lock control solenoid valve (bank 2) Intake Valve Timing Intermediate Lock Control Solenoid Valve 
SYMBOL Crankshaft position sensor (POS) Crankshaft Position Sensor (POS) 
SYMBOL Ignition coil (with power transistor) (bank 2) Ignition Coil (With Power Transistor) 
SYMBOL Exhaust valve timing control position sensor (bank 2) Exhaust Valve Timing Control Position Sensor 
SYMBOL Camshaft position sensor (PHASE) (bank 2) Camshaft Position Sensor (PHASE) 
SYMBOL Engine coolant temperature sensor Engine Coolant Temperature Sensor 
SYMBOL Fuel injector (bank 1) Fuel Injector 
SYMBOL Knock sensor (bank 1) Knock Sensor 
SYMBOL Knock sensor (bank 2) Knock Sensor 
SYMBOL Fuel injector (bank 2) Fuel Injector 
SYMBOL Engine oil temperature sensor Engine Oil Temperature Sensor 

EXHAUST 

GNSDB55087Courtesy of NISSAN
SYMBOL : Vehicle front        
No. Component Function
SYMBOL Air fuel ratio (A/F) sensor 1 (bank 2) Air Fuel Ratio (A/F) Sensor 1 
SYMBOL Heated oxygen sensor 2 (bank 2) Heated Oxygen Sensor 2 
SYMBOL Heated oxygen sensor 2 (bank 1) Heated Oxygen Sensor 2 
SYMBOL Air fuel ratio (A/F) sensor 1 (bank 1) Air Fuel Ratio (A/F) Sensor 1 

BODY 

GNSDB55621Courtesy of NISSAN
SYMBOL Center stack SYMBOL Steering column area SYMBOL Pedal periphery
SYMBOL Inside fuel tank SYMBOL Rear of fuel tank area    
No. Component Function
SYMBOL AC auto amp Mainly transmits the following signal to ECM via CAN communication.
  • A/C ON signal
  • Blower fan ON signal

Refer to Component Location for detailed installation location.
SYMBOL Combination meter Mainly transmits the following signal to ECM via CAN communication.
  • Vehicle speed signal
  • Fuel lever sensor signal
  • Fuel filler cap warning reset signal

Mainly receives the following signal from ECM via CAN communication.
  • Malfunction indicator lamp signal
  • Engine oil pressure warning signal
  • Fuel filler cap warning display signal
  • ASCD status signal

Refer to Component Location for detailed installation location.
SYMBOL ICC steering switch ICC Steering Switch 
SYMBOL Stop lamp switch Stop Lamp Switch and Brake Pedal Position Switch 
SYMBOL Brake pedal position switch Stop Lamp Switch and Brake Pedal Position Switch 
SYMBOL Accelerator pedal position sensor Accelerator Pedal Position Sensor 
SYMBOL Fuel level sensor unit and fuel pump (with fuel tank temperature sensor) Fuel Level Sensor Unit and Fuel Pump (With Fuel Tank Temperature Sensor) Refer to Exploded View for detailed installation location.
SYMBOL Fuel tank temperature sensor
SYMBOL EVAP control system pressure sensor EVAP Control System Pressure Sensor 
SYMBOL EVAP canister vent control valve EVAP Canister Vent Control Valve 
SYMBOL EVAP canister EVAP Canister 
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