2001 INFINITI I30 User Manual

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System Chart

NHEC0013

Input (Sensor) ECM Function Output (Actuator)

I Camshaft position sensor (PHASE)

I Crankshaft position sensor (REF)

I Mass air flow sensor

I Engine coolant temperature sensor

I Heated oxygen sensor 1 (front)

I Ignition switch

I Throttle position sensor

I Closed throttle position switch*3

I Park/neutral position (PNP) switch

I Air conditioner switch

I Knock sensor

I Intake air temperature sensor

I Absolute pressure sensor

I EVAP control system pressure sensor*1

I Battery voltage

I Power steering oil pressure switch

I Vehicle speed sensor

I Fuel tank temperature sensor*1

I Crankshaft position sensor (POS)

I Heated oxygen sensor 2 (rear)*2

I TCM (Transmission control module)

I Refrigerant pressure sensor

I ABS/TCS control unit

I Electrical load

I Fuel level sensor*1

Fuel injection & mixture ratio control Injectors

Electronic ignition system Power transistor

Idle air control system IACV-AAC valve

Fuel pump control Fuel pump relay

On board diagnostic system MIL (On the instrument panel)

Swirl control valve control

Swirl control valve control solenoid

valve

Power valve control VIAS control solenoid valve

Heated oxygen sensor 1 heater (front) con-

trol

Heated oxygen sensor 1 heater

(front)

Heated oxygen sensor 2 heater (rear) control

Heated oxygen sensor 2 heater

(rear)

EVAP canister purge flow control

EVAP canister purge volume con-

trol solenoid valve

Air conditioning cut control Air conditioner relay

Cooling fan control Cooling fan relays

ON BOARD DIAGNOSIS for EVAP system

I EVAP canister vent control valve

I Vacuum cut valve bypass valve

*1: These sensors are not used to control the engine system. They are used only for the on board diagnosis.

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

*3: This switch will operate in place of the throttle position sensor to control EVAP parts if the sensor malfunctions.

IDX

ENGINE AND EMISSION CONTROL OVERALL SYSTEM

System Chart

EC-27

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User Manual - Page 27