Engine Controls Schematics. Buick Park Avenue 2003

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2003 🢒 Park Avenue 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground, Serial Data, and MIL Master Electrical Component List Powertrain Control Module Description 5 Volt and Low Reference OBD II Symbol Description Notice Battery Voltage Supply to Underhood Fuse Blocks Left Underhood Fuse Block- ABS, PCM, HZDT/SG, F/PMP and LP PK Fuses Battery Voltage Supply to Underhood Fuse Blocks Rear Fuse Block- CRK, PCM/CRU and SBM Fuses Left Underhood Fuse Block- OXY SEN and SBM LCM Fuses Left Underhood Fuse Block- OXY SEN and SBM LCM Fuses Rear Fuse Block- CRK, PCM/CRU and SBM Fuses Indicators Class 2 Serial Data Line G100, G101, G102 and G103
Figure 2:	Engine Data Sensors- 5 Volt and Low Reference Master Electrical Component List Powertrain Control Module Description Engine Data Sensors Module Power, Ground, Serial Data, and MIL OBD II Symbol Description Notice
Figure 3:	Engine Data Sensors Master Electrical Component List Powertrain Control Module Description Fuel Controls- EVAP Controls 5 Volt and Low Reference OBD II Symbol Description Notice Battery Voltage Supply to Underhood Fuse Blocks Left Underhood Fuse Block- ABS, PCM, HZDT/SG, F/PMP and LP PK Fuses Fuel Controls- EVAP Controls Device Controls Driver Information Center VSS and Transmission Internal Mode Switch Gages G100, G101, G102 and G103 G202 (1 of 4)
Figure 4:	Engine Data Sensors- Heated Oxygen Sensors Master Electrical Component List Fuel System Description Ignition Controls- Ignition System Engine Data Sensors OBD II Symbol Description Notice Battery Voltage Supply to Underhood Fuse Blocks G100, G101, G102 and G103
Figure 5:	Ignition Controls- Ignition System Master Electrical Component List Electronic Ignition (EI) System Description Ignition Controls- Sensors Fuel Controls- EVAP Controls OBD II Symbol Description Notice Battery Voltage Supply to Underhood Fuse Blocks
Figure 6:	Ignition Controls- Sensors Master Electrical Component List Knock Sensor (KS) System Description Engine Data Sensors- Heated Oxygen Sensors Ignition Controls- Ignition System OBD II Symbol Description Notice
Figure 7:	Fuel Controls- Fuel Pump Controls Master Electrical Component List Fuel System Description Ignition Controls- Ignition System Ignition Controls- Sensors Left Underhood Fuse Block- T/SIG, A/C CLU Fuses and A/C CLU Relay Left Underhood Fuse Block- ABS, PCM, HZDT/SG, F/PMP and LP PK Fuses G100, G101, G102 and G103 G400 (1 of 2)
Figure 8:	Fuel Controls- Fuel Injectors Master Electrical Component List Fuel System Description Fuel Controls- EVAP Controls Engine Data Sensors- Heated Oxygen Sensors OBD II Symbol Description Notice Battery Voltage Supply to Underhood Fuse Blocks
Figure 9:	Fuel Controls- EVAP Controls Master Electrical Component List Evaporative Emission Control System Description Device Controls Ignition Controls- Ignition System OBD II Symbol Description Notice Battery Voltage Supply to Underhood Fuse Blocks Left Underhood Fuse Block- OXY SEN and SBM LCM Fuses Left Underhood Fuse Block- OXY SEN and SBM LCM Fuses Engine Data Sensors 5 Volt and Low Reference
Figure 10:	Device Controls Master Electrical Component List Boost Control System Description Controlled/Monitored Subsystem References Fuel Controls- EVAP Controls OBD II Symbol Description Notice Engine Data Sensors
Figure 11:	Controlled/Monitored Subsystem References Master Electrical Component List Powertrain Control Module Description Transmission Controls Device Controls OBD II Symbol Description Notice Compressor Control Driver Information Center Traction Control (w/NW9) Starter Motor Controls Engine Cooling Schematics Brake Pedal Switches and Indicator
Figure 12:	Transmission Controls Master Electrical Component List Powertrain Control Module Description Controlled/Monitored Subsystem References OBD II Symbol Description Notice VSS and Transmission Internal Mode Switch Sensors Solenoids and Stop Lamp Switch