GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2004 🢒 L300/LW300 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Engine Electrical 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:

Engine Rear Components (3.0L)
Object Number: 1350558 Size: MF
(1)Throttle Actuator Control (TAC) Module
(2)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
(3)Knock Sensor (KS) 1
(4)Engine Oil Pressure (EOP) Switch
(5)Starter
(6)Intake Manifold Runner Control (IMRC) Solenoid
Figure 3:

LF Corner of the Engine Compartment
Object Number: 1256500 Size: MF
(1)Cooling Fan Control Module
(2)Battery