GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2003 🢒 L300/LW300 🢒 Engine 🢒 Engine Controls - 3.0L (L81) 🢒 Engine Controls Component Views
Figure 1:

3.0L Engine Front Components
Object Number: 1253903 Size: MF
(1)Camshaft Position (CMP) Sensor
(2)Mass Air Flow (MAF) Sensor
(3)Throttle Actuator Control (TAC) Module
(4)Ignition Control Module (ICM)
(5)Engine Control Module (ECM)
(6)Engine Coolant Temperature (ECT) Sensor
(7)Crankshaft Position (CKP) Sensor
(8)Knock Sensor (KS) 2
(9)A/C Compressor Clutch Coil (Hidden)
(10)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
(11)Generator
Figure 2:

Front of the Engine Components (3.0L)
Object Number: 1335088 Size: MF
(1)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
(2)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Figure 3:

LR of the Engine Components (3.0L)
Object Number: 1335096 Size: MF
(1)C150
(2)Intake Manifold Runner Control (IMRC) Solenoid
Figure 4:

Front of the Transmission Components
Object Number: 1335105 Size: MF
(1)C100 (3.0L)
(2)G113
(3)G110 (3.0L)
Figure 5:

3.0L Engine Rear Components
Object Number: 1253902 Size: MF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Throttle Actuator Control (TAC) Module
(3)Exhaust Gas Recirculation (EGR) Valve
(4)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
(5)Knock Sensor (KS) 1
(6)Engine Oil Pressure (EOP) Switch
(7)Starter
(8)Intake Manifold Runner Control (IMRC) Solenoid
Figure 6:

Lower Left Side of the I/P Components
Object Number: 1335276 Size: MF
(1)Accelerator Pedal Position (APP) Sensor