GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 CTS 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 5L40-E 🢒 Engine Controls Component Views
Figure 1:

ECM, IC, and TP Sensor
Object Number: 803063 Size: LF
(1)Ignition Control Module (IC) Bank 2
(2)Throttle Position (TP) Sensor
(3)Throttle Position (TP) Sensor Connector
(4)Engine Control Module (ECM) C2
(5)Engine Control Module (ECM)
(6)ECM Eyelet Ground
(7)Engine Control Module (ECM) C1
(8)Ignition Control Module (IC) Bank 1 Connector
(9)Ignition Control Module (IC) Bank 1
Figure 2:

Engine Sensors and Switches
Object Number: 803066 Size: LF
(1)Intake Manifold Runner Control (IMRC) Solenoid
(2)Intake Manifold Runner Control (IMRC) Solenoid Connector
(3)Knock Sensor (KS) 2
(4)Engine Oil Pressure (EOP) Switch
Figure 3:

Fuel Pump and Sender Assembly
Object Number: 803068 Size: LF
(1)Fuel Return Line
(2)Fuel Tank Connection Cover
(3)Air Reference Hose
(4)Fuel Tank Pressure (FTP) Sensor
(5)Fuel Pressure Line
(6)Fuel Tank Pressure (FTP) Sensor Connector
Figure 4:

Accelerator Pedal
Object Number: 803074 Size: LF
(1)Accelerator Pedal Position (APP) Sensor
(2)Accelerator Pedal
(3)Brake Pedal
Figure 5:

Engine Sensors
Object Number: 803096 Size: LF
(1)Fuel Pressure Regulator
(2)Engine Coolant Temperature (ECT) Sensor
(3)Camshaft Position (CMP) Sensor
(4)Evaporarive Emissions (EVAP) Canister Purge Valve
Figure 6:

Engine Sensors
Object Number: 803100 Size: LF
(1)Intake Manifold Tuning Valve (IMTV) Solenoid
(2)Intake Manifold Runner Control (IMRC) Solenoid
(3)Mass Air Flow (MAF) Sensor
(4)Intake Resonance Switch-Over Valve
(5)Intake Resonance Switch-Over Solenoid Valve
(6)Knock Sensor (KS) 1
Figure 7:

CMP and Bank 2 Knock Sensor
Object Number: 803102 Size: LF
(1)Knock Sensor (KS) 2
(2)Camshaft Position (CMP) Sensor
Figure 8:

Top of the Engine - Fuel Rail and Injectors
Object Number: 803104 Size: LF
(1)Fuel Rail
(2)Fuel Injector 1
(3)Fuel Injector 3
(4)Fuel Injector 5
(5)Fuel Pressure Service Port
(6)C112
(7)Fuel Pressure Regulator Atmosphere Vent Port
(8)Fuel Pressure Regulator
(9)Fuel Injector 6
(10)Fuel Injector 4
(11)Fuel Injector 2
(12)Intake Manifold (Bottom View)
Figure 9:

Oxygen Sensors
Object Number: 803105 Size: LF
(1)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
(2)Catalytic Converter-Right
(3)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
(4)Heated Oxygen Sensor (HO2S) Bank 2Sensor 1
(5)Catalytic Converter-Left
(6)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2