Engine Controls Schematics. Chevrolet Tahoe

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2001 🢒 Tahoe - 2WD 🢒 Driveline/Axle 🢒 Transfer Case - NVG 236/246-NP8 (Two Speed Automatic) 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, MIL, and Serial Data Engine Controls Component Views Powertrain Control Module Description Ignition Control Sensors OBD II Symbol Description Notice B+ Bus Bar IGN 1 Relay, and ECM 1, ETC, INJA, INJB Fuses - Gas IGNITION, RUN, and START Bus Bar RTD, RDO AMP, CRANK, and IGN 0 Fuses IGN 1, AIR BAG, and SEO IGN Fuses Power and Ground G103 and G105 - Gas
Figure 2:	Ignition Control Sensors Engine Controls Component Views Powertrain Control Module Description Injectors Power, Ground, and MIL Control 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 IGN 1 Relay, and ECM 1, ETC, INJA, INJB Fuses - Gas G103 and G105 - Gas
Figure 3:	Injectors Engine Controls Component Views Powertrain Control Module Description Fuel Pump Controls Ignition Control Sensors 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 IGN 1 Relay, and ECM 1, ETC, INJA, INJB Fuses - Gas
Figure 4:	Fuel Pump Controls Master Electrical Component List Fuel System Description Throttle Position Sensor, ECT Sensor, MAP Sensor and IAC Motor Injectors OBD II Symbol Description Notice B+ Bus Bar G104 - Gas G104 - Gas G403 G103 and G105 - Gas
Figure 5:	Throttle Position Sensor, ECT Sensor, MAP Sensor, and IAC Motor Master Electrical Component List Distributor Ignition (DI) System Description Secondary AIR Controls Fuel Pump Controls OBD II Symbol Description Notice IGNITION, RUN, and START Bus Bar O2B, O2A, ENG 1, and IGN E Fuses - Gas G103 and G105 - Gas
Figure 6:	Secondary AIR Controls Engine Controls Component Views Secondary Air Injection System Description Vehicle Speed Throttle Position Sensor, ECT Sensor, MAP Sensor and IAC Motor OBD II Symbol Description Notice IGNITION, RUN, and START Bus Bar B+ Bus Bar G104 - Gas
Figure 7:	Vehicle Speed Engine Controls Component Views Powertrain Control Module Description Heated Oxygen Sensor (HO2S) Secondary AIR Controls OBD II Symbol Description Notice
Figure 8:	Heated Oxygen Sensor (HO2S) Engine Controls Component Views Powertrain Control Module Description EVAP Controls and EGR Vehicle Speed OBD II Symbol Description Notice IGNITION, RUN, and START Bus Bar G104 - Gas
Figure 9:	EVAP Controls and EGR Engine Controls Component Views Evaporative Emission Control System Description Engine Oil Level, Coolant Level, CPP and Cruise Control Module Heated Oxygen Sensor (HO2S) OBD II Symbol Description Notice IGNITION, RUN, and START Bus Bar
Figure 10:	Engine Oil Level, Coolant Level, CPP, and Cruise Control Module Engine Controls Component Views Powertrain Control Module Description Knock Sensor (KS) and Shift Solenoids EVAP Controls and EGR OBD II Symbol Description Notice Power, Ground, Serial Data - w/o Traction Assist IGNITION, RUN, ACCESSORY, and RAP Bus Bars, RAP #1 and RAP #2 Fuses Cruise Control Module (CCM), Clutch Pedal Position (CPP) Switch, Stoplamp Switch G104 - Gas G103 and G105 - Gas
Figure 11:	Knock Sensor (KS) and Shift Solenoids Engine Controls Component Views Knock Sensor (KS) System Description TFT Sensor and Pressure Control Solenoid Engine Oil Level, Coolant Level, CPP and Cruise Control Module OBD II Symbol Description Notice RTD, RDO AMP, CRANK, and IGN 0 Fuses
Figure 12:	TFT Sensor and Pressure Control Solenoid Engine Controls Component Views Powertrain Control Module Description Park Neutral Position Switch Knock Sensor (KS) and Shift Solenoids OBD II Symbol Description Notice
Figure 13:	Park Neutral Position Switch Engine Controls Component Views Powertrain Control Module Description TFT Sensor and Pressure Control Solenoid OBD II Symbol Description Notice G103 and G105 - Gas G100 and G110 G103 and G105 - Gas