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Home >> Nissan-Datsun >> 2016 >> Maxima SL >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Introduction) >> System Description >> Component Parts >> Engine Control System >> Component Parts Location >> Engine Room
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Engine Room

Fig 1: Engine Control System Component Parts Location (Engine Room)
GNSALBIA1329ZZ-329WHITE-1WHITE-2WHITE-3WHITE-4WHITE-5WHITE-6WHITE-7WHITE-8WHITE-9WHITE-10WHITE-11WHITE-12WHITE-13WHITE-14WHITE-15WHITE-16WHITE-17WHITE-18WHITE-19Courtesy of NISSAN NORTH AMERICA, INC.
No. Component Function
WHITE-1 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 .
WHITE-2 Mass air flow sensor (with intake air temperature sensor) MASS AIR FLOW SENSOR (WITH INTAKE AIR TEMPERATURE SENSOR) 
WHITE-3 Electric throttle control actuator ELECTRIC THROTTLE CONTROL ACTUATOR 
WHITE-4 Power valve actuator 2 POWER VALVE ACTUATOR 1 AND 2 
WHITE-5 EVAP canister purge volume control solenoid valve EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE 
WHITE-6 VIAS control solenoid valve 2 VIAS CONTROL SOLENOID VALVE 1 AND 2 
WHITE-7 VIAS control solenoid valve 1 VIAS CONTROL SOLENOID VALVE 1 AND 2 
WHITE-8 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 PARTS LOCATION (without ICC), COMPONENT PARTS LOCATION (with ICC) for detailed installation location.
WHITE-9 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 PARTS LOCATION for detailed installation location.
WHITE-10 Electronic controlled engine mount control solenoid valve ELECTRONIC CONTROLLED ENGINE MOUNT 
WHITE-11 Power valve actuator 1 POWER VALVE ACTUATOR 1 AND 2 
WHITE-12 Cooling fan motor-2 COOLING FAN MOTOR 
WHITE-13 Cooling fan motor-1 COOLING FAN MOTOR 
WHITE-14 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 PARTS LOCATION for detailed installation location.
WHITE-15 ECM ECM 
WHITE-16 Refrigerant pressure sensor REFRIGERANT PRESSURE SENSOR 
Refer to COMPONENT PARTS LOCATION for detailed installation location.
WHITE-17 Battery current sensor (with battery temperature sensor) BATTERY CURRENT SENSOR (WITH BATTERY TEMPERATURE SENSOR) 
WHITE-18 Cooling fan relay-2 -
WHITE-19 Cooling fan relay-3