Engine Controls Schematics. Chevrolet Tahoe

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2001 🢒 Tahoe - 2WD 🢒 Engine 🢒 Engine Mechanical - 8.1L 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground, Serial Data, and MIL Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - Pressure and Temperature OBD II Symbol Description Notice B+ Bus Bar IGNITION, RUN, and START Bus Bar IGNITION, RUN, and START Bus Bar RTD, RDO AMP, CRANK, and IGN 0 Fuses RTD, RDO AMP, CRANK, and IGN 0 Fuses Indicators and Serial Data IGN 1, AIR BAG, and SEO IGN Fuses IGN 1, AIR BAG, and SEO IGN Fuses G103 and G105 - Gas SP205
Figure 2:	Engine Data Sensors - Pressure and Temperature Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - MAF and VSS Module Power, Ground, Serial Data, and MIL OBD II Symbol Description Notice TFT Sensor, Pressure Control Solenoid, and ISS Sensor TFT Sensor and Pressure Control Solenoid
Figure 3:	Engine Data Sensors - MAF and VSS Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - HO2S 4.8L, 5.3L w/Case Grounded Sensors Engine Data Sensors - Pressure and Temperature OBD II Symbol Description Notice IGNITION, RUN, and START Bus Bar Gauges, VSS, and Engine Oil Signals Vehicle Speed Signal and 4WD Low Signal G103 and G105 - Gas
Figure 4:	Engine Data Sensors - HO2S 4.8L, 5.3L w/Case Grounded Sensors Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - HO2S 4.8L, 5.3L w/Isolated Grounded Sensors Engine Data Sensors - MAF and VSS OBD II Symbol Description Notice IGNITION, RUN, and START Bus Bar G104 - Gas
Figure 5:	Engine Data Sensors - HO2S 4.8L, 5.3L w/Isolated Grounded Sensors Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - HO2S 6.0L w/Isolated and Case Grounded Sensors Engine Data Sensors - HO2S 4.8L, 5.3L w/Case Grounded Sensors OBD II Symbol Description Notice IGNITION, RUN, and START Bus Bar IGNITION, RUN, and START Bus Bar G104 - Gas
Figure 6:	Engine Data Sensors - HO2S 6.0L w/Isolated and Case Grounded Sensors Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - HO2S 6.0L w/Isolated Grounded Sensors Engine Data Sensors - HO2S 4.8L, 5.3L w/Isolated Grounded Sensors OBD II Symbol Description Notice IGNITION, RUN, and START Bus Bar G104 - Gas
Figure 7:	Engine Data Sensors - HO2S 6.0L w/Isolated Grounded Sensors Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - Electronic Throttle Controls, TAC Motor, and TP Sensor Engine Data Sensors - HO2S 6.0L w/Isolated and Case Grounded Sensors OBD II Symbol Description Notice IGNITION, RUN, and START Bus Bar G104 - Gas
Figure 8:	Engine Data Sensors - Electronic Throttle Controls, TAC Motor, and TP Sensor Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - Electronic Throttle Controls, Accelerator Pedal Position Sensor Engine Data Sensors - HO2S 6.0L w/Isolated Grounded Sensors OBD II Symbol Description Notice IGN 1 Relay, and ECM 1, ETC, INJA, INJB Fuses - Gas G103 and G105 - Gas
Figure 9:	Engine Data Sensors - Electronic Throttle Controls, Accelerator Pedal Position Sensor Master Electrical Component List Powertrain Control Module Description Ignition Controls - Ignition System Coils 1, 3, 5, 7 Engine Data Sensors - Electronic Throttle Controls, TAC Motor, and TP Sensor OBD II Symbol Description Notice Cruise Control ON/OFF Switch, STOP LPS Fuse, and Accelerator Pedal Position(APP) Sensor
Figure 10:	Ignition Controls - Ignition System Coils 1, 3, 5, 7 Master Electrical Component List Powertrain Control Module Description Ignition Controls - Ignition System Coils 2, 4, 6, 8 Engine Data Sensors - Electronic Throttle Controls, Accelerator Pedal Position Sensor OBD II Symbol Description Notice IGN 1 Relay, and ECM 1, ETC, INJA, INJB Fuses - Gas G103 and G105 - Gas
Figure 11:	Ignition Controls - Ignition System Coils 2, 4, 6, 8 Master Electrical Component List Powertrain Control Module Description Ignition Controls - Sensors Ignition Controls - Ignition System Coils 1, 3, 5, 7 OBD II Symbol Description Notice IGN 1 Relay, and ECM 1, ETC, INJA, INJB Fuses - Gas G104 - Gas
Figure 12:	Ignition Controls - Sensors Master Electrical Component List Powertrain Control Module Description Fuel Controls - Fuel Pump Controls Ignition Controls - Ignition System Coils 2, 4, 6, 8 OBD II Symbol Description Notice Gauges, VSS, and Engine Oil Signals
Figure 13:	Fuel Controls - Fuel Pump Controls Master Electrical Component List Powertrain Control Module Description Fuel Controls - Fuel Injectors Ignition Controls - Sensors OBD II Symbol Description Notice B+ Bus Bar O2B, O2A, ENG 1, and IGN E Fuses - Gas O2B, O2A, ENG 1, and IGN E Fuses - Gas G103 and G105 - Gas Fuel Gauge and Fuel Pump and Sender Assembly
Figure 14:	Fuel Controls - Fuel Injectors Master Electrical Component List Powertrain Control Module Description Fuel Controls - EVAP Controls Fuel Controls - Fuel Pump Controls OBD II Symbol Description Notice IGN 1 Relay, and ECM 1, ETC, INJA, INJB Fuses - Gas IGN 1 Relay, and ECM 1, ETC, INJA, INJB Fuses - Gas
Figure 15:	Fuel Controls - EVAP Controls Master Electrical Component List Powertrain Control Module Description Device Controls - EGR and IAC Fuel Controls - Fuel Injectors OBD II Symbol Description Notice IGNITION, RUN, and START Bus Bar O2B, O2A, ENG 1, and IGN E Fuses - Gas O2B, O2A, ENG 1, and IGN E Fuses - Gas
Figure 16:	Device Controls - EGR and IAC Master Electrical Component List Powertrain Control Module Description Controlled/Monitored Subsystem References Fuel Controls - EVAP Controls OBD II Symbol Description Notice
Figure 17:	Controlled/Monitored Subsystem References Master Electrical Component List Powertrain Control Module Description Transmission Controls - A/T Device Controls - EGR and IAC OBD II Symbol Description Notice A/C Compressor Controls A/C Compressor Controls Primary Air Delivery Controls - Recirculation Actuator (Uplevel Pickup and All Utilities) Cruise Control Module (CCM) and Cruise Control On/Off Switch Speed Sensor Signals and Traction Control Switch - w/Traction Assist Charging - Except Diesel Dual Generator 4WD and ATC Fuse, Transfer Case Encoder Motor Speed Sensor Signals - w/o Traction Assist Power, Ground, Serial Data - w/o Traction Assist Power, Ground, Serial Data - w/Traction Assist Gauges, VSS, and Engine Oil Signals Engine Cooling Schematics
Figure 18:	Transmission Controls - A/T Master Electrical Component List Powertrain Control Module Description Controlled/Monitored Subsystem References OBD II Symbol Description Notice TFT Sensor, Pressure Control Solenoid, and ISS Sensor TFT Sensor and Pressure Control Solenoid Brake Switch Signal and Valve Controls Knock Sensor and Shift Solenoids TFT Sensor and Pressure Control Solenoid TFT Sensor, Pressure Control Solenoid, and ISS Sensor Park/Neutral Position (PNP) Switch Park/Neutral Position (PNP) Switch