Engine Controls Component Views. Chevrolet Avalanche

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2002 🢒 Avalanche - 4WD 🢒 Engine 🢒 Engine Controls - 8.1L 🢒 Engine Controls Component Views

Figure 1:

Powertrain Control Module (PCM)


(1)	Powertrain Control Module (PCM)
(2)	PCM Connector C1 and C2

Figure 2:

Evaporative Emissions (EVAP) Canister Vent Solenoid


(1)	Evaporative Emissions (EVAP) Canister Vent Solenoid Connector
(2)	Evaporative Emissions (EVAP) Canister Vent Solenoid

Figure 3:

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


(1)	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2

Figure 4:

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


(1)	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1

Figure 5:

Park/Neutral Position (PNP) Switch


(1)	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
(2)	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
(3)	Vehicle Speed Sensor (VSS)
(4)	Park/Neutral Position (PNP) Switch Connectors C1 and C2
(5)	Park/Neutral Position (PNP) Switch
(6)	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2

Figure 6:

Fuel Pump and Sender Assembly - Primary


(1)	Fuel Pump and Sender Assembly Connector
(2)	Fuel Pump and Sender Assembly - Primary

Figure 7:

Fuel Pump and Sender Assembly Components


(1)	Fuel Pump and Sender Assembly
(2)	Fuel Tank Pressure (FTP) Sensor
(3)	Fuel Level Sensor

Figure 8:

Crankshaft Position (CKP) Sensor


(1)	Exhaust Gas Recirculation (EGR) Connector
(2)	Exhaust Gas Recirculation (EGR) Valve
(3)	Crankshaft Position (CKP) Sensor Connector
(4)	Crankshaft Position (CKP) Sensor
(5)	Engine Oil Pressure (EOP) Sensor
(6)	Engine Oil Pressure (EOP) Sensor Connector

Figure 9:

Fuel Pump and Sender Assembly - Secondary - w/Dual Tanks


(1)	Fuel Pump and Sender Assembly - Secondary
(2)	Fuel Pump and Sender Assembly Connector

Figure 10:

Fuel Pump Relay - Secondary - w/Dual Tanks


(1)	Fuel Pump Relay - Secondary

Figure 11:

Throttle Actuator Control (TAC) Module


(1)	Throttle Actuator Control (TAC) Module
(2)	Throttle Actuator Control (TAC) Connector
(3)	Fuse Block - Underhood

Figure 12:

Right Front of Engine Compartment


(1)	Clamp
(2)	Air Duct
(3)	Clamp
(4)	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(5)	Air Cleaner Assembly
(6)	Air Restriction Indicator

Figure 13:

Engine View-Upper Left


(1)	Engine
(2)	Injector Connector
(3)	Ignition Coil
(4)	Ignition Coil Connector
(5)	Throttle Position (TP) Sensor Connector
(6)	Throttle Actuator Control (TAC) Motor Connector
(7)	Evaporative Emissions (EVAP) Canister Purge Solenoid Connector
(8)	Generator Connector

Figure 14:

Camshaft Position (CMP) Sensor


(1)	Engine
(2)	Camshaft Position (CMP) Sensor
(3)	Camshaft Position (CMP) Sensor Connector

Figure 15:

Engine View-Upper Right


(1)	Engine Harness
(2)	Manifold Absolute Pressure (MAP) Sensor
(3)	Manifold Absolute Pressure (MAP) Sensor Connector
(4)	Engine
(5)	Ignition Coil Connector (Engine Side)
(6)	Throttle Actuator Control (TAC) Motor
(7)	Ignition Coil Connector (Harness Side)
(8)	Engine Coolant Temperature (ECT) Sensor Connector
(9)	Ignition Coil

Figure 16:

Engine View-Lower Right


(1)	A/C Compressor Clutch
(2)	A/C Compressor Clutch Connector
(3)	Engine Wiring Harness
(4)	Engine Oil Level Sensor Connector
(5)	Knock Sensor (KS) 2 Connector
(6)	Knock Sensor (KS) 2
(7)	Starter Relay Output (S-Terminal Feed)

Figure 17:

Accelerator Pedal Position (APP) Sensor Connector


(1)	Accelerator Pedal Position (APP) Sensor Connector
(2)	Accelerator Pedal Position (APP) Sensor