GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Firefly (Canada) 🢒 Engine 🢒 Engine Controls - 1.0L 🢒 Engine Controls Component Views
Figure 1:

Information Sensors/Input Devices
Object Number: 440838 Size: LF
(1)IAT Sensor
(2)VSS (part of speedometer)
(3)CTP Switch (part of ISC Motor)
(4)CMP Sensor (inside of distributor)
(5)ECT Sensor
(6)HO2S 1
(7)CKP Sensor
(8)TP Sensor
(9)MAP Sensor
(10)Fuel Tank Pressure Sensor
(11)Fuel Level Sensor (gauge sending unit)
(12)A/C Compressor Control Module
(13)Diode Module (electrical load signal)
(14)HO2S 2
Figure 2:

PCM Controlled Devices
Object Number: 440837 Size: LF
(1)Malfunction Indicator Lamp (MIL)
(2)M/T Upshift Indicator Lamp
(3)Ignition Control Module
(4)Cooling Fan Control Relay
(5)ISC Motor Relay
(6)EFE Heater Relay
(7)Fuel Pump Relay
(8)EGR Solenoid Vacuum Valve
(9)EGR Bypass Valve
(10)EVAP Canister Purge Valve
(11)Fuel Injector
(12)EVAP Canister Vent Solenoid
(13)EVAP Tank Pressure Control Solenoid Valve
(14)ISC Motor
Figure 3:

Other Components
Object Number: 440839 Size: LF
(1)EGR Valve
(2)Ignition Coil
(3)Noise Suppressor Filter (ignition system)
(4)Data Link Connector (DLC)
(5)Junction Block (fuse block)
(6)Fuel Injector Resistor
(7)Main Relay
(8)Battery
(9)EGR Back Pressure Transducer
(10)EFE Heater
(11)PCM
(12)EVAP Canister
(13)Duty Check Data Link Connector
Figure 4:

TBI Assembly and EGR System
Object Number: 445596 Size: MF
(1)Fuel Injector
(2)TP Sensor
(3)EGR Valve
(4)Distributor
(5)EGR Solenoids
(6)EGR Back Pressure Transducer
(7)ISC Motor
Figure 5:

Engine Bulkhead Components
Object Number: 445597 Size: SF
(1)Ignition Coil
(2)Noise Suppressor Filter
(3)Ignition Control Module
(4)Fuel Injector Resistor
(5)Main Harness
(6)MAP Sensor