Nissan Altima HL32 Hybrid. Manual - part 260

EC-24

< FUNCTION DIAGNOSIS >

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ENGINE CONTROL SYSTEM

1.

Hood opener handle

2.

Data link connector

3.

Fuel injector harness connector

4.

Condenser-2

5.

Upper radiator hose

6.

EVAP control system pressure sen-
sor

7.

EVAP canister vent control valve

8.

EVAP canister (MAIN)

9.

EVAP canister (SUB)

10. Fuel level sensor unit and fuel pump 

harness connector
(This illustration is view with rear 
seat cushion and inspection hole 
cover removed.)

11. Fuel pump assembly

12. Fuel pressure regulator

13. Fuel tank temperature sensor

: Vehicle front

ALBIA0173ZZ

ENGINE CONTROL SYSTEM

EC-25

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Component Description

INFOID:0000000004211321

JMBIA0118GB

1.

Exhaust manifold cover

2.

Air fuel ratio (A/F) sensor 1

3.

Air fuel ratio (A/F) sensor 1 harness 
connector

4.

Heated oxygen sensor 2 harness 
connector

5.

Heated oxygen sensor 2

6.

Oil pan

7.

Heated oxygen sensor 3

8.

Heated oxygen sensor 3 harness 
connector

: Vehicle front

ALBIA0272ZZ

Component

Reference

A/F sensor 1

EC-179, "Description"

A/F sensor 1 heater

EC-130, "Description"

EC-26

< FUNCTION DIAGNOSIS >

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ENGINE CONTROL SYSTEM

ASCD brake switch

EC-345, "Description"

ASCD steering switch

EC-342, "Description"

Camshaft position sensor (PHASE)

EC-255, "Description"

Crankshaft position sensor (POS)

EC-251, "Description"

Cooling fan motor

EC-382, "Description"

Electric throttle control actuator

EC-365, "Description"

Engine coolant temperature sensor

EC-166, "Description"

EVAP canister purge volume control solenoid valve

EC-268, "Description"

EVAP canister vent control valve

EC-276, "Description"

EVAP control system pressure sensor

EC-284, "Description"

Fuel injector

EC-237, "Description"

Fuel level sensor

EC-304, "Description"

Fuel pump

EC-386, "Description"

Fuel tank temperature sensor

EC-231, "Description"

Heated oxygen sensor 2

EC-195, "Description"

Heated oxygen sensor 2 heater

EC-133, "Description"

Heated oxygen sensor 3

EC-212, "Description"

Heated oxygen sensor 3 heater

EC-137, "Description"

Ignition signal

EC-390, "Description"

Intake air temperature sensor

EC-161, "Description"

Intake valve timing control solenoid valve

EC-74, "System Description"

Knock sensor

EC-249, "Description"

Mass air flow sensor

EC-144, "Description"

PCV valve

EC-401, "Description"

Refrigerant pressure sensor

EC-402, "Description"

Stop lamp switch

EC-353, "Description"

Throttle control motor

EC-362, "Description"

Throttle control motor relay

EC-356, "Description"

Throttle position sensor

EC-169, "Description"

Component

Reference

MULTIPORT FUEL INJECTION SYSTEM

EC-27

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MULTIPORT FUEL INJECTION SYSTEM

System Diagram

INFOID:0000000004211322

System Description

INFOID:0000000004211323

INPUT/OUTPUT SIGNAL CHART

*1: This sensor is not used to control the engine system under normal conditions.

JMBIA0457GB

Sensor

Input Signal to ECM

ECM function

Actuator

Crankshaft position sensor (POS)

Engine speed
Piston position

Fuel injection 
& mixture ratio 
control

Fuel injector

Camshaft position sensor (PHASE)

Mass air flow sensor

Amount of intake air

Intake air temperature sensor

Intake air temperature

Engine coolant temperature sensor

Engine coolant temperature

Air fuel ratio (A/F) sensor 1

Density of oxygen in exhaust gas

Throttle position sensor

Throttle position

Battery

Battery voltage

Knock sensor

Engine knocking condition

Heated oxygen sensor 2*

1

Density of oxygen in exhaust gas

Brake ECU

Vehicle speed*

2

Hybrid vehicle control ECU

Vehicle speed*

2

Accelerator pedal position*

2

Shift position*

2

Engine operation command*

2

(Engine start request, Engine idle re-
quest, Fuel cut request, Engine power 
request, Engine speed request, etc.)