GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Chevy K Silverado - 4WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E 🢒 Engine Controls Component Views
Figure 1:

PCM Location
Object Number: 310796 Size: MF
(1)Powertrain Control Module (PCM)
(2)Radiator Support
(3)Left Frame Rail
(4)PCM Wire Harness Connectors
Figure 2:

Fuse Block-Underhood
Object Number: 310798 Size: MF
(1)Fuse Block-Underhood
(2)Forward Lamp Harness -- C4 (GRN)
(3)Chassis Harness -- C3 (RED)
(4)Fuse Block-Underhood Mounting Bracket
(5)Left Front Wheel House
(6)Left Front Inner Fender
(7)Instrument Panel Harness -- C1 (LT GRY)
(8)Engine Harness -- C2 (BLK)
Figure 3:

Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Assembly, Generator, Air Cleaner
Object Number: 405657 Size: MF
(1)Air Cleaner Assembly
(2)Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Assembly
(3)Air Inlet Tube
(4)Generator
Figure 4:

Crankshaft Position (CKP) Sensor
Object Number: 235188 Size: MF
(1)Crankshaft
(2)Front Engine Cover
(3)Crankshaft Position (CKP) Sensor
Figure 5:

Crankshaft Position (CKP) Reluctor Wheel
Object Number: 212697 Size: MF
(1)Crankshaft Position (CKP) Reluctor Wheel
(2)Crankshaft
(3)Engine Block
Figure 6:

Throttle Position (TP) Sensor, Idle Air Control (IAC) Valve, and Positive Crankcase Ventilation Valve (PCV)
Object Number: 212698 Size: MF
(1)Throttle Position (TP) Sensor
(2)Idle Air Control (IAC) Valve
(3)Ignition Coil
(4)Evaporative (EVAP) Canister Purge Solenoid
(5)Engine Oil Pressure (EOP) Switch
(6)Knock Sensor (KS)
(7)Fuel Pressure Connection Valve
(8)Positive Crankcase Ventilation Valve (PCV)
Figure 7:

MAP, EGR, Purge Solenoid, and Throttle Body
Object Number: 209643 Size: SF
(1)Throttle Body
(2)Exhaust Gas Recirculation (EGR) Valve
(3)Generator
(4)Evaporative Emission (EVAP) Canister Purge Valve
(5)Manifold Absolute Pressure (MAP) Sensor
Figure 8:

Engine Coolant Temperature (ECT) Sensor
Object Number: 235186 Size: MF
(1)Bank 1 Cylinder Head
(2)Engine Coolant Temperature (ECT) Sensor
Figure 9:

Evaporative (EVAP) Canister Purge Valve
Object Number: 212690 Size: LF
(1)Engine Harness
(2)Injector Assembly Electrical Connector
(3)Throttle Body
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Ignition Control Module (ICM)
(6)Ignition Coil
(7)Evaporative Emission (EVAP) Canister Purge Solenoid
Figure 10:

Camshaft Position (CMP) Sensor, Knock Sensor (KS), and Oil Pressure Switch
Object Number: 212680 Size: MF
(1)Camshaft Position (CMP) Sensor
(2)Engine Oil Pressure (EOP) Switch
(3)Knock Sensor (KS)
Figure 11:

Heated Oxygen Sensors
Object Number: 209624 Size: MF
(1)HO2S Bank 2 Sensor 2
(2)HO2S Bank 1 Sensor 2
(3)HO2S Bank 1 Sensor 1
(4)HO2S Bank 2 Sensor 1
Figure 12:

VSS 2 Wheel Drive Automatic Transmission
Object Number: 209622 Size: SF
(1)Vehicle Speed Sensor (VSS)
Figure 13:

Vehicle Speed Sensor (VSS) - 2 Wheel Drive Manual Transmission
Object Number: 246886 Size: MF
(1)Vehicle Speed Sensor (VSS)
Figure 14:

Vehicle Speed Sensor (VSS) - 4 Wheel Drive Automatic Transmission
Object Number: 246883 Size: MF
(1)Vehicle Speed Sensor (VSS)
Figure 15:

Vehicle Speed Sensor (VSS) - 4 Wheel Drive Manual Transmission
Object Number: 246884 Size: SF
(1)Manual Transmission
(2)Vehicle Speed Sensor (VSS)
(3)Transfer Case (4WD)
Figure 16:

Evaporative Emission (EVAP) Canister Vent Solenoid
Object Number: 334914 Size: MF
(1)Left Frame Rail
(2)Evaporative Emission (EVAP) Canister Vent Solenoid
(3)Fuel Tank
(4)Evaporative Emission (EVAP) Canister
Figure 17:

AIR System (RPO NC1 only), AC Accumulator
Object Number: 334932 Size: MF
(1)Secondary Air Injection (AIR) Pump
(2)Vacuum Hose to AIR Solenoid
(3)Low Pressure Switch
(4)A/C Accumulator
(5)AIR Hose to AIR Pipes
(6)AIR Solenoid
(7)AIR Pump Shut Off Valve
(8)Fender to Cowl Brace
Figure 18:

Fuel Tank Pressure (FTP) Sensor and Fuel Pump and Sender Assembly
Object Number: 235167 Size: MF
(1)Fuel Tank
(2)Fuel Tank Pressure (FTP) Sensor Connector
(3)Fuel Level Sensor
(4)Fuel Pump and Sender Assembly