Engine Controls Schematics. Chevrolet Blazer - 4WD

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2001 🢒 Blazer - 4WD - RHD 🢒 Body and Accessories 🢒 Body Control System 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, MIL and VCM Master Electrical Component List Powertrain Control Module Description Data Link Connector (DLC) OBD II Symbol Description Notice A/C, ABS, ECM B, FOG LP, STOP LP, VECHMSL, and TRCHMSL Fuses ECM I Fuse Fuel Injection Controls Power and Ground Ign START, RUN and ACC Bus Bar Power CLSTR Fuse CLSTR Fuse G103 and G105 G103 and G105
Figure 2:	Data Link Connector (DLC) Master Electrical Component List Powertrain Control Module Description Ignition Controls Power, Ground, MIL and VCM OBD II Symbol Description Notice STUD 2, INT BAT, CIGAR LTR, CTSY LP and PWR LKS Fuses Cigar Lighter/Auxiliary Outlets Schematics G203 and G205 G203 and G205 G103 and G105 Driver Information Schematics Splice Pack SP201 and Modules G103 and G105 G103 and G105
Figure 3:	Ignition Controls Master Electrical Component List Distributor Ignition (DI) System Description Fuel Level Sensor Data Link Connector (DLC) OBD II Symbol Description Notice Engine Controls Schematic Icons Engine Controls Schematic Icons Ign START, RUN and ACC Bus Bar ECM I Fuse Data Link Connector (DLC), VCM and Engine Oil Pressure Gauge Sensor G103 and G105 G103 and G105
Figure 4:	Fuel Level Sensor Master Electrical Component List Fuel System Description Fuel Injection Controls Ignition Controls OBD II Symbol Description Notice A/C, ABS, ECM B, FOG LP, STOP LP, VECHMSL, and TRCHMSL Fuses Engine Sensors G402 and G420 G402 and G420 G102
Figure 5:	Fuel Injection Controls Master Electrical Component List Fuel System Description Engine Sensors Fuel Level Sensor OBD II Symbol Description Notice ECM I Fuse Power, Ground, MIL and VCM
Figure 6:	Engine Sensors Master Electrical Component List Powertrain Control Module Description Heated Oxygen Sensors Fuel Injection Controls OBD II Symbol Description Notice Fuel Level Sensor
Figure 7:	Heated Oxygen Sensors Master Electrical Component List Powertrain Control Module Description MAF and IAC Controls Engine Sensors OBD II Symbol Description Notice Ign START, RUN and ACC Bus Bar G104, G106, G107, G108 and G118 G102
Figure 8:	MAF and IAC Controls Master Electrical Component List Powertrain Control Module Description Vehicle Speed Outputs and Overhead Console Link Heated Oxygen Sensors OBD II Symbol Description Notice Engine Controls Schematic Icons B/U LP, OXYSEN, ENG I, TRL B/U, VEH B/U and BTSI Fuses G103 and G105 G103 and G105 Engine Controls Schematic Icons G104, G106, G107, G108 and G118
Figure 9:	Vehicle Speed Outputs and Overhead Console Link Master Electrical Component List Powertrain Control Module Description EGR Valve and EVAP Valves MAF and IAC Controls OBD II Symbol Description Notice
Figure 10:	EGR Valve and EVAP Valves Master Electrical Component List Powertrain Control Module Description 4WD Indicator Signal, and Generator Vehicle Speed Outputs and Overhead Console Link OBD II Symbol Description Notice B/U LP, OXYSEN, ENG I, TRL B/U, VEH B/U and BTSI Fuses MAF and IAC Controls
Figure 11:	4WD Indicator Signal, and Generator Master Electrical Component List Powertrain Control Module Description Automatic Transmission Valve Controls EGR Valve and EVAP Valves OBD II Symbol Description Notice
Figure 12:	Automatic Transmission Valve Controls Master Electrical Component List Powertrain Control Module Description Automatic Transmission and PNP Switch Inputs 4WD Indicator Signal, and Generator OBD II Symbol Description Notice Ign RUN and START Bus Bar EBCM Power and Ground EBCM Power and Ground Cruise Control Schematics Power CLSTR Fuse
Figure 13:	Automatic Transmission and PNP Switch Inputs Master Electrical Component List Powertrain Control Module Description A/C Compressor Controls Automatic Transmission Valve Controls OBD II Symbol Description Notice G103 and G105
Figure 14:	A/C Compressor Controls Master Electrical Component List Powertrain Control Module Description Automatic Transmission and PNP Switch Inputs OBD II Symbol Description Notice B+ Bus Bar IGN E, GAUGES, and SIR Fuses G102 G102 G103 and G105 G103 and G105