Engine Controls Schematics. Chevrolet Blazer - 4WD

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2000 🢒 Blazer - 4WD - RHD 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, MIL and VCM Engine Controls Components Vehicle Control Module Description Data Link Connector (DLC) OBD II Symbol Description Notice B+ Bus Bar ECM I Fuse Ign START, RUN and ACC Bus Bar Ign RUN and START Bus Bar Power and Grounding Connector End Views Power and Ground Handling ESD Sensitive Parts Notice Data Link Connector (DLC), VCM and Engine Oil Pressure Gauge Sensor CLSTR Fuse Power, Transfer Case Shift Control Module, and Encoder Motor CLSTR Fuse 4WD and HVAC I Fuses VCM Connector End Views G103 and G105 Handling ESD Sensitive Parts Notice G103 and G105
Figure 2:	Data Link Connector (DLC) Engine Controls Components Serial Data Communications Ignition Controls Power, Ground, MIL and VCM OBD II Symbol Description Notice STUD 2, INT BAT, CIGAR LTR, CTSY LP and PWR LKS Fuses STUD 2, INT BAT, CIGAR LTR, CTSY LP and PWR LKS Fuses G203 and G205 G203 and G205 G103 and G105 S201 Driver Information System Power and Grounding Connector End Views G103 and G105 G103 and G105 Body Control System Connector End Views Handling ESD Sensitive Parts Notice VCM Connector End Views Handling ESD Sensitive Parts Notice
Figure 3:	Ignition Controls Engine Controls Components Enhanced Ignition System Description Fuel Level Sensor Data Link Connector (DLC) OBD II Symbol Description Notice B/U LP, OXYSEN, ENG I, TRL B/U, VEH B/U and BTSI Fuses ECM I Fuse Power and Grounding Connector End Views MAF and IAC Controls Handling ESD Sensitive Parts Notice Data Link Connector (DLC), VCM and Engine Oil Pressure Gauge Sensor G103 and G105 VCM Connector End Views Handling ESD Sensitive Parts Notice G103 and G105
Figure 4:	Fuel Level Sensor Engine Controls Components Fuel Metering System Component Description Fuel Injection Controls Ignition Controls OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Power and Grounding Connector End Views Power, Ground, MIL and VCM VCM Connector End Views Handling ESD Sensitive Parts Notice Engine Sensors G402 and G420 Engine Sensors VCM Connector End Views Handling ESD Sensitive Parts Notice G402 and G420 G102
Figure 5:	Fuel Injection Controls Engine Controls Components Central Sequential Duel Injection Fuel System Description Engine Sensors Fuel Level Sensor OBD II Symbol Description Notice ECM I Fuse Power and Grounding Connector End Views VCM Connector End Views Handling ESD Sensitive Parts Notice
Figure 6:	Engine Sensors Engine Controls Components Information Sensors/Switches Description Heated Oxygen Sensors Fuel Injection Controls OBD II Symbol Description Notice VCM Connector End Views Handling ESD Sensitive Parts Notice EGR Valve and EVAP Valves Fuel Level Sensor EGR Valve and EVAP Valves Automatic Transmission and PNP Switch Inputs Handling ESD Sensitive Parts Notice
Figure 7:	Heated Oxygen Sensors Engine Controls Components Information Sensors/Switches Description MAF and IAC Controls Engine Sensors OBD II Symbol Description Notice B/U LP, OXYSEN, ENG I, TRL B/U, VEH B/U and BTSI Fuses Power and Grounding Connector End Views VCM Connector End Views Handling ESD Sensitive Parts Notice G104, G106, G107, G108 and G118 G102
Figure 8:	MAF and IAC Controls Engine Controls Components Information Sensors/Switches Description Vehicle Speed Outputs and Overhead Console Link Heated Oxygen Sensors OBD II Symbol Description Notice Power and Grounding Connector End Views B/U LP, OXYSEN, ENG I, TRL B/U, VEH B/U and BTSI Fuses VCM Connector End Views Handling ESD Sensitive Parts Notice Ignition Controls G103 and G105 G103 and G105 VCM Connector End Views Handling ESD Sensitive Parts Notice G104, G106, G107, G108 and G118
Figure 9:	Vehicle Speed Outputs and Overhead Console Link Engine Controls Components Information Sensors/Switches Description EGR Valve and EVAP Valves MAF and IAC Controls OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Driver Information Systems Connector End Views Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Antilock Brake System Connector End Views Handling ESD Sensitive Parts Notice Body Control System Connector End Views Handling ESD Sensitive Parts Notice VCM Connector End Views Handling ESD Sensitive Parts Notice
Figure 10:	EGR Valve and EVAP Valves Engine Controls Components Evaporative Emission Control System Operation Description Enhanced 4WD Indicator Signal, and Generator Vehicle Speed Outputs and Overhead Console Link OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice B/U LP, OXYSEN, ENG I, TRL B/U, VEH B/U and BTSI Fuses MAF and IAC Controls Power and Grounding Connector End Views Engine Sensors Engine Sensors VCM Connector End Views Handling ESD Sensitive Parts Notice
Figure 11:	4WD Indicator Signal, and Generator Engine Controls Components Vehicle Control Module Description Automatic Transmission Valve Controls EGR Valve and EVAP Valves OBD II Symbol Description Notice Transfer Case Control Connector End Views Handling ESD Sensitive Parts Notice VCM Connector End Views Handling ESD Sensitive Parts Notice
Figure 12:	Automatic Transmission Valve Controls Engine Controls Components Vehicle Control Module Description Automatic Transmission and PNP Switch Inputs 4WD Indicator Signal, and Generator OBD II Symbol Description Notice B+ Bus Bar EBCM Power and Ground Power CLSTR Fuse EBCM Power and Ground Cruise Control Schematic Cruise Control Schematic VCM Connector End Views Handling ESD Sensitive Parts Notice
Figure 13:	Automatic Transmission and PNP Switch Inputs Engine Controls Components Vehicle Control Module Description A/C Compressor Controls Automatic Transmission Valve Controls OBD II Symbol Description Notice VCM Connector End Views Handling ESD Sensitive Parts Notice Engine Sensors Handling ESD Sensitive Parts Notice G103 and G105 Shift Lock Control Connector End Views
Figure 14:	A/C Compressor Controls Engine Controls Components Vehicle Control Module Description Automatic Transmission and PNP Switch Inputs OBD II Symbol Description Notice B+ Bus Bar Power and Grounding Connector End Views IGN E, GAUGES, and SIR Fuses Handling ESD Sensitive Parts Notice G102 G102 G103 and G105 G103 and G105 VCM Connector End Views Handling ESD Sensitive Parts Notice