Engine Controls Schematics. Chevrolet Astro

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2003 🢒 Astro - 2WD 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground, Serial Data, and MIL Master Electrical Component List Powertrain Control Module Description Engine Data Sensors OBD II Symbol Description Notice B+ Bus Ignition Switch - START, RUN/START, and OFF/RUN/START Bus Bars B+ Bus CIG LTR, CRANK, and RADIO BATT Fuses ABS, A/C COMP, ECM-B, HORN, HTD MIR/RR DEFOG, and RAP Fuses ECM-I Fuse Indicators G105 and G107 Data Link Connector (DLC) Schematics
Figure 2:	Engine Data Sensor Master Electrical Component List Air Intake System Description Oxygen Sensors Module Power, Ground, Serial Data, and Ground OBD II Symbol Description Notice Ignition Switch - START, RUN/START, and OFF/RUN/START Bus Bars ENG-I, and IGN-E Fuses Gages G104 G105 and G107 G100, G106, and G302 Engine Controls Schematic Icons
Figure 3:	Oxygen Sensors Master Electrical Component List Powertrain Control Module Description Ignition Controls Engine Data Sensors OBD II Symbol Description Notice Ignition Switch - START, RUN/START, and OFF/RUN/START Bus Bars ENG-I, and IGN-E Fuses
Figure 4:	Ignition Controls Master Electrical Component List Knock Sensor (KS) System Description Fuel Controls Oxygen Sensors OBD II Symbol Description Notice Ignition Switch - START, RUN/START, and OFF/RUN/START Bus Bars ECM-I Fuse G100, G106, and G302 G105 and G107
Figure 5:	Fuel Controls Master Electrical Component List Fuel System Description Fuel Injection Controls Ignition Controls OBD II Symbol Description Notice B+ Bus ABS, A/C COMP, ECM-B, HORN, HTD MIR/RR DEFOG, and RAP Fuses G104
Figure 6:	Fuel Injection Controls Master Electrical Component List Fuel System Description Fuel and Device Controls Fuel Controls OBD II Symbol Description Notice Ignition Switch - START, RUN/START, and OFF/RUN/START Bus Bars ECM-I Fuse
Figure 7:	Fuel And Device Controls Master Electrical Component List Evaporative Emission Control System Description Controlled/Monitored Subsystem References Fuel Injection Controls OBD II Symbol Description Notice Ignition Switch - START, RUN/START, and OFF/RUN/START Bus Bars B+ Bus ENG-I, and IGN-E Fuses ABS, A/C COMP, ECM-B, HORN, HTD MIR/RR DEFOG, and RAP Fuses
Figure 8:	Controlled/Monitored Subsystem References Master Electrical Component List Powertrain Control Module Description Transmission Controls - A/T Fuel and Device Controls OBD II Symbol Description Notice TRANS, and WINDOWS Circuit Breaker Compressor Controls Cruise Control Schematics Charging EBCM Controls
Figure 9:	Transmission Controls - A/T Master Electrical Component List Powertrain Control Module Description Controlled/Monitored Subsystem References OBD II Symbol Description Notice Switch Inputs and PNP Switch Stop Lamp Switch and Valve Controls Stop Lamp Switch and Valve Controls Switch Inputs and PNP Switch Stop Lamp Switch and Valve Controls