GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2001 🢒 LeSabre 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Engine Controls Component Views
Figure 1:

Engine Compartment, in the Left Front Corner
Object Number: 460288 Size: LF
(1)Powertrain Control Module (PCM) C1
(2)Powertrain Control Module (PCM) C2
(3)Air Cleaner Assembly
(4)Powertrain Control Module (PCM)
(5)S105
Figure 2:

Engine Compartment, Left Side
Object Number: 460294 Size: LF
(1)Intake Air Temp (IAT) Sensor
(2)Cruise Control Module
(3)Air Cleaner Assembly
Figure 3:

Manifold Absolute Pressure Sensor
Object Number: 460295 Size: LF
(1)Manifold Absolute Pressure (MAP) Sensor
Figure 4:

Upper Front of Engine
Object Number: 460302 Size: LF
(1)Fuel Injector 3
(2)Evaporative Emissions (EVAP) Purge Canister
(3)Fuel Injector 5
(4)Idle Air Control (IAC) Valve
(5)Throttle Position (TP) Sensor
(6)Mass Air Flow (MAF) Sensor
(7)S106
(8)Engine Coolant Temp (ECT) Sensor
(9)C103
(10)S108
(11)S107
(12)Ignition Control Module (ICM)
(13)To Manifold Absolute Pressure (MAP) Sensor
(14)Fuel Injector 1
Figure 5:

Upper Side of Engine
Object Number: 460305 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Fuel Injector #6
(3)Fuel Injector #4
(4)Fuel Injector #2
(5)To Generator
(6)To Air Solenoid
(7)Heated Oxygen Sensor (H02S) Bank 1 Sensor 1
(8)S103
(9)S104
(10)To PCM
(11)C100
Figure 6:

Lower Rear of Engine
Object Number: 460307 Size: LF
(1)Engine Oil Pressure Sensor
(2)Vehicle Speed Sensor (VSS)
(3)Power Steering Pressure Sensor
(4)C125
Figure 7:

Lower Front of Engine
Object Number: 460459 Size: LF
(1)Knock Sensor
(2)Starter Solenoid
Figure 8:

Rear Top of Engine
Object Number: 460460 Size: LF
(1)Evaporative Emissions (EVAP) Cannister Purge Valve
(2)Generator
(3)Map Sensor
Figure 9:

Brake Switches
Object Number: 461056 Size: LF
(1)Stop lamp/Automatic Trans Shift Lock Control Switch, C1
(2)Stop lamp/Automatic Trans Shift Lock Control Switch, C2
(3)Stop lamp/Automatic Trans Shift Lock Control Switch
(4)Stop lamp Switch
(5)Stop lamp Switch Connector