Engine and Emission Control Input / Output Table

ENGINE AND EMISSION CONTROL INPUT / OUTPUT CHART

Function	Output	Input
Main relay control	Main relay	Ignition switch
Fuel pump control	Fuel pump relay	CMP sensor Ignition switch	Starter switch
Injection control	Injectors	CMP sensor MAF sensor TP sensor	ECT sensor HO2S (sensor-1) Starter switch
Idle air control	IAC valve	CMP sensor MAF sensor TP sensor ECT sensor IAT sensor VSS Starter switch	ABS control module BCM PSP switch HVAC control module TCM Blower motor controller
Ignition control	Ignition coil with igniter	CMP sensor MAF sensor ECT sensor	IAT sensor Starter switch Knock sensor
MIL control	MIL	CMP sensor MAF sensor TP sensor ECT sensor IAT sensor	HO2S (sensor-1) VSS Starter switch Knock sensor TCM
EVAP purge control	EVAP canister purge valve	CMP sensor MAF sensor TP sensor	ECT sensor VSS
EGR control	EGR valve	CMP sensor MAF sensor TP sensor	ECT sensor IAT sensor VSS
HO2S heater control	HO2S	CMP sensor	MAF sensor
A/C control	A/C compressor clutch (if equipped)	CMP sensor TP sensor ECT sensor Starter switch	HVAC control module Refrigerant pressure switch (if equipped) IAT sensor
A/C condenser fan control	A/C condenser fan relay (if equipped)	ECT sensor HVAC control module	Refrigerant pressure switch (if equipped)
IMT valve control	IMT vacuum solenoid valve	TP sensor CMP sensor	ECT sensor