Engine Controls Schematics. Oldsmobile Alero 2004

For 1990-2009 cars only

Makes 🢒 Oldsmobile 🢒 2004 🢒 Alero 🢒 Engine 🢒 Engine Mechanical - 2.2L (L61) 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, Serial Data and MIL Master Electrical Component List Powertrain Control Module Description 5 Volt and Low Reference Bussing OBD II Symbol Description Notice L/H BEC BATT1, AUX PWR/CIGAR, PARK LPS, PCM BATT, PWR MIRROR, DR LOCK, TRUNK REL/RFA/RADIO AMP Fuses, and PWR SEAT Circuit Breaker IGN SW-BATT2, AIR BAG, TURN LPS, IGN MOD, B/U LP/BTSI, PCM IGN, F/P INJR, A/C BFC, AUTO TRANS, ABS/EVO/IGN Fuses PCM ACC and IPC/BFC ACC Fuses PCM ACC and IPC/BFC ACC Fuses G102 and G104 G102 and G104 Data Link Connector (DLC) Schematics
Figure 2:	5-Volt and Low Reference Bussing Master Electrical Component List Powertrain Control Module Description Engine Data Sensors- Pressure and Temperature Power, Ground, Serial Data and MIL OBD II Symbol Description Notice
Figure 3:	Engine Data Sensors - Pressure and Temperature Master Electrical Component List Powertrain Control Module Description Heated Oxygen Sensors 5 Volt and Low Reference Bussing OBD II Symbol Description Notice Fuel Level, Oil Level and Oil Pressure
Figure 4:	Heated Oxygen Sensors Master Electrical Component List Powertrain Control Module Description Ignition System Engine Data Sensors- Pressure and Temperature OBD II Symbol Description Notice IGN SW-BATT2, AIR BAG, TURN LPS, IGN MOD, B/U LP/BTSI, PCM IGN, F/P INJR, A/C BFC, AUTO TRANS, ABS/EVO/IGN Fuses IGN SW-BATT1, HTR A/C, ERLS and CRANK Fuses IGN SW-BATT2, AIR BAG, TURN LPS, IGN MOD, B/U LP/BTSI, PCM IGN, F/P INJR, A/C BFC, AUTO TRANS, ABS/EVO/IGN Fuses
Figure 5:	Ignition System Master Electrical Component List Electronic Ignition (EI) System Description Fuel Pump Controls Heated Oxygen Sensors OBD II Symbol Description Notice IGN SW-BATT2, AIR BAG, TURN LPS, IGN MOD, B/U LP/BTSI, PCM IGN, F/P INJR, A/C BFC, AUTO TRANS, ABS/EVO/IGN Fuses Engine Controls Schematic Icons Engine Controls Schematic Icons G103 and G105
Figure 6:	Fuel Pump Controls Master Electrical Component List Fuel System Description Fuel Injectors Ignition System OBD II Symbol Description Notice IGN SW-BATT2, AIR BAG, TURN LPS, IGN MOD, B/U LP/BTSI, PCM IGN, F/P INJR, A/C BFC, AUTO TRANS, ABS/EVO/IGN Fuses G103 and G105 G302 G103 and G105 G103 and G105
Figure 7:	Fuel Injectors Master Electrical Component List Fuel System Description EVAP and IAC Controls Fuel Pump Controls OBD II Symbol Description Notice IGN SW-BATT2, AIR BAG, TURN LPS, IGN MOD, B/U LP/BTSI, PCM IGN, F/P INJR, A/C BFC, AUTO TRANS, ABS/EVO/IGN Fuses
Figure 8:	EVAP and IAC Controls Master Electrical Component List Evaporative Emission Control System Description Controlled/Monitored Subsystem References Fuel Injectors OBD II Symbol Description Notice IGN SW-BATT1, HTR A/C, ERLS and CRANK Fuses
Figure 9:	Controlled/Monitored Subsystem References Master Electrical Component List Powertrain Control Module Description Transmission Controls - A/T EVAP and IAC Controls OBD II Symbol Description Notice Compressor Controls Power and Ground Fuel Level, Oil Level and Oil Pressure Charging System Transmission Solenoids, VSS and TCC Brake Switch Signal Manual Transmission Schematics Cooling Fans
Figure 10:	Transmission Controls - A/T Master Electrical Component List Powertrain Control Module Description Controlled/Monitored Subsystem References OBD II Symbol Description Notice Transmission Solenoids, VSS and TCC Brake Switch Signal Transmission Switches, TFT, and A/T ISS Sensor Transmission Switches, TFT, and A/T ISS Sensor PNP Switch