Computers and Control Systems: Locations

ELECTRICAL COMPONENTS LOCATION





MODULE














(1) Engine control module (ECM)
(2) CHECK ENGINE malfunction indicator lamp (MIL)
(3) Data link connector
(4) Test mode connector





ENGINE SENSORS
























(1) Pressure sensor
(2) Mass air flow sensor
(3) Engine coolant temperature sensor
(4) Throttle position sensor
(5) Knock sensor
(6) Camshaft position sensor
(7) Crankshaft position sensor





EXHAUST SENSORS


















(1) Front oxygen sensor
(2) Rear oxygen sensor (California spec. vehicles)
(3) Rear oxygen sensor (Federal spec. vehicles)
(4) Rear catalytic converter
(5) Front catalytic converter





FUEL SENSORS











(1) Fuel level sensor (Main)
(2) Fuel temperature sensor
(3) Fuel tank pressure sensor
(4) Fuel level sensor (Sub)





SOLENOID VALVE, EMISSION CONTROL SYSTEM PARTS AND IGNITION SYSTEM PARTS

























(1) Pressure sources switching solenoid valve
(2) Purge control solenoid valve
(3) Idle air control solenoid valve
(4) Ignitor
(5) Ignition coil
(6) EGR control solenoid valve
(7) EGR valve





EVAPORATIVE COMPONENTS











(1) Pressure control solenoid valve
(2) Vent control solenoid valve
(3) Canister
(4) Air filter