GM Service Manual Online
For 1990-2009 cars only
Figure 1:

VCM


Object Number: 246882  Size: MF
(1)Vehicle Control Module (VCM)
(2)Right Front Fender
(3)VCM Connector (Blue)
(4)VCM Connector (Clear)
(5)VCM Connector Retainer
(6)VCM Connector (Black)
(7)VCM Connector (Red)
(8)VCM Retainer
Figure 2:

Underhood Fuse/Relay Center and Electronic Brake Control Module (EBCM)


Object Number: 235171  Size: SF
(1)Electronic Brake Control Module (EBCM)
(2)Underhood Fuse Block
(3)Left Front Fender
Figure 3:

Mass Air Flow (MAF) Sensor and Intake Air Temperature (IAT) Sensor


Object Number: 246881  Size: MF
(1)Intake Air Temperature (IAT) Sensor
(2)Air Outlet from Filter
(3)Distributor
(4)Knock Sensor (KS)
(5)Mass Air Flow (MAF) Sensor
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)Fuel Pump/Oil Pressure 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:

Left Side of the Engine Components (4.3L)


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

Ignition Coil, Ignition Control (IC) Module, MAP, Throttle Body, and Evaporative (EVAP) Canister Purge Valve


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

Camshaft Position (CMP) sensor, Knock Sensor (KS), and Fuel Pump/Oil Pressure Switch


Object Number: 212680  Size: MF
(1)Camshaft Position (CMP) sensor
(2)Fuel Pump/Oil Pressure Switch
(3)Knock Sensor (KS)
Figure 11:

HO2S


Object Number: 209628  Size: MF
(1)HO2S Bank 1 Sensor 3
(2)HO2S Bank 1 Sensor 1
(3)HO2S Bank 1 Sensor 2 (If Applicable)
(4)HO2S Bank 2 Sensor 1
Figure 12:

Automatic Transmission (4.3L w/2WD)


Object Number: 209622  Size: SF
(1)Vehicle Speed Sensor (VSS)
Figure 13:

Manual Transmission (4.3L w/2WD)


Object Number: 246886  Size: MF
(1)Vehicle Speed Sensor (VSS)
Figure 14:

Transfer Case (4.3L A/T w/4WD)


Object Number: 246883  Size: MF
(1)Vehicle Speed Sensor (VSS)
Figure 15:

Transfer Case (4.3L M/T w/4WD)


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

VSS All Wheel Drive (AWD)


Object Number: 240975  Size: MF
(1)Automatic Transmission
(2)Transfer Case (All Wheel Drive)
(3)Vehicle Speed Sensor (VSS)
Figure 17:

EVAP Canister and EVAP Vent Valve (4DR Utility and Pickup)


Object Number: 235181  Size: LF
(1)Evaporative (EVAP) Vent Solenoid Valve
(2)Crossmember
(3)EVAP Canister
(4)Fuel Tank
(5)Fuel Tank Sender Assembly
Figure 18:

Canister and Vent Valve (2DR Utility)


Object Number: 383573  Size: LF
(1)Vent Valve
(2)Frame
(3)Canister
(4)Fuel Tank
(5)Fuel Sender
Figure 19:

Fuel Tank Pressure Sensor and Fuel Level Sender Assembly


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