Engine Controls Schematics. Chevrolet Blazer - 4WD

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2002 🢒 Blazer - 4WD - RHD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, Serial Data, and MIL Master Electrical Component List Service Programming System (SPS) Description Engine Data Sensors - Pressure and Temperature OBD II Symbol Description Notice B+ Bus Bar Ign START, RUN and ACC Bus Bar Fuel Controls - Fuel Injectors G103 and G105 Power, Ground and DLC Splice Pack SP201 and Modules Ign START, RUN and ACC Bus Bar Power CLSTR Fuse G103 and G105
Figure 2:	Engine Data Sensors - Pressure and Temperature Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - MAF and VSS Power, Ground, Serial Data, and MIL OBD II Symbol Description Notice
Figure 3:	Engine Data Sensors - MAF and VSS Master Electrical Component List Air Intake System Description Engine Data Sensors - HO2S Engine Data Sensors - Pressure and Temperature OBD II Symbol Description Notice G103 and G105 G103 and G105 Ground and PCM S/T RHD Manual Transmission Schematics Vehicle Speed Sensor
Figure 4:	Engine Data Sensors - HO2S Master Electrical Component List Powertrain Control Module Description Ignition Controls Engine Data Sensors - MAF and VSS OBD II Symbol Description Notice Ign START, RUN and ACC Bus Bar
Figure 5:	Ignition Controls Master Electrical Component List Distributor Ignition (DI) System Description Fuel Controls - Fuel Pump Controls Engine Data Sensors - HO2S OBD II Symbol Description Notice Engine Controls Schematic Icons Engine Controls Schematic Icons Ground and PCM G103 and G105 Ign START, RUN and ACC Bus Bar ECM I Fuse G103 and G105
Figure 6:	Fuel Controls - Fuel Pump Controls Master Electrical Component List Fuel System Description Fuel Controls - Fuel Injectors Ignition Controls OBD II Symbol Description Notice A/C, ABS, ECM B, FOG LP, STOP LP, VECHMSL, and TRCHMSL Fuses G402 and G420 G402 and G420 Ground and PCM
Figure 7:	Fuel Controls - Fuel Injectors Master Electrical Component List Fuel System Description Fuel Controls - EVAP Controls Fuel Controls - Fuel Pump Controls OBD II Symbol Description Notice Ign START, RUN and ACC Bus Bar Power, Ground, Serial Data, and MIL
Figure 8:	Fuel Controls - EVAP Controls Master Electrical Component List Evaporative Emission Control System Description Device Controls and Controlled/Monitored Subsystem References and Transmission Controls - M/T Fuel Controls - Fuel Injectors OBD II Symbol Description Notice Ign START, RUN and ACC Bus Bar Engine Data Sensors - MAF and VSS Ground and PCM
Figure 9:	Device Controls and Controlled/Monitored Subsystem References and Transmission Controls - M/T Master Electrical Component List Powertrain Control Module Description Transmission Controls - A/T Fuel Controls - EVAP Controls OBD II Symbol Description Notice Transfer Case Shift Control Switch Charging Cruise Control Schematics A/C Low and High Pressure Switches, A/C Compressor Clutch , D100, Ground, HVAC Module and PCM EBCM Power and Ground S/T RHD Manual Transmission Schematics Ground and PCM
Figure 10:	Transmission Controls - A/T Master Electrical Component List Powertrain Control Module Description Device Controls and Controlled/Monitored Subsystem References and Transmission Controls - M/T OBD II Symbol Description Notice TFT Sensor, TFP Manual Valve Position Switch and PC SOL Valve TCC SOL, TCC PWM SOL, 3-2 SS, 2-3 SS and 1-2 SS Valves