GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 Seville 🢒 Engine 🢒 Engine Electrical 🢒 Engine Controls Component Views
Figure 1:

MAP, IAC, ECT, TP Sensors
Object Number: 602335 Size: SH
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Idle Air Control (IAC) Valve
(3)Engine Coolant Temperature (ECT) Sensor
(4)Throttle Position (TP) Sensor
Figure 2:

EVAP Purge Solenoid, and EGR Valve
Object Number: 602336 Size: SH
(1)Evaporative Emissions (EVAP) Canister Purge Solenoid
(2)Exhaust Gas Recirculation (EGR) Valve
Figure 3:

CKP B, CKP A, Engine Oil Pressure Switch, and Engine Oil Level Switch
Object Number: 602338 Size: SH
(1)Crankshaft Position Sensor (CKP) Sensor B
(2)Crankshaft Position Sensor (CKP) Sensor A
(3)Engine Oil Pressure (EOP) Switch
(4)Engine Oil Level Switch
Figure 4:

Ignition Control Module (ICM) Bank 2
Object Number: 602330 Size: SH
Figure 5:

Ignition Control Module (ICM) Bank 1
Object Number: 602329 Size: SH
Figure 6:

CMP, VSS, and HO2S Bank 1 Sensor 1
Object Number: 602339 Size: SH
(1)Camshaft Position (CMP) Sensor
(2)Vehicle Speed Sensor (VSS)
(3)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Figure 7:

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (Post HO2)
Object Number: 602294 Size: SH
Figure 8:

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (Front HO2)
Object Number: 602295 Size: SH
Figure 9:

Knock Sensor (KS)
Object Number: 602292 Size: SH
Figure 10:

AIR Relay
Object Number: 736521 Size: SH
(1)Secondary Air Injection (AIR) Pump Relay
Figure 11:

Rear AIR Check Valve
Object Number: 602315 Size: MH
(1)Rear AIR Check Valve
(2)AIR Exhaust Hose to AIR Check Valve
(3)AIR Exhaust Hose to AIR Check Valve RetainingNnuts
(4)AIR Exhaust Pipe to AIR Check Valve Retaining Nuts
(5)AIR Check Valve to Exhaust Manifold Pipe
Figure 12:

AIR Vacuum Routing
Object Number: 602313 Size: MH
(1)AIR Vacuum Source Hose
(2)AIR Vacuum Source Connection
(3)Control Vacuum to the Front AIR Check Valve
Figure 13:

AIR Vacuum Control Solenoid and Vacuum Connections
Object Number: 602311 Size: MH
(1)Control Vacuum to Front AIR Check Valve
(2)Control Vacuum to Rear AIR Check Valve
(3)AIR Vacuum Control Solenoid
(4)AIR Source Vacuum Hose
Figure 14:

Left AIR Pump and Electrical Connector
Object Number: 602320 Size: SH
Figure 15:

Left AIR Exhaust Hose and Front AIR Check Valve
Object Number: 602321 Size: SH
Figure 16:

Left AIR Inlet Hose to AIR Pump
Object Number: 602322 Size: MH
(1)Left AIR Inlet Hose
(2)Left AIR Pump Retaining nuts
(3)Left AIR Inlet Filter
Figure 17:

Front AIR Check Valve to Exhaust Manifold
Object Number: 602323 Size: SH
(1)Front AIR Check Valve to Exhaust Pipe Retaining Nuts
(2)Front AIR Check Valve
(3)Front AIR Check Valve Bracket Retaining Bolt
(4)Front AIR Check Valve Bracket Retaining Nuts
(5)AIR Exhaust Pipe to Exhaust Manifold Retaining Nuts
(6)Exhaust Manifold
Figure 18:

IAC Valve and TP Sensor
Object Number: 574138 Size: SH
(1)Idle Air Control (IAC) Valve Electrical Connector
(2)Throttle Position (TP) Sensor Electrical Connector
(3)Throttle Position (TP) Sensor
(4)Idle Air Control (IAC) Valve
Figure 19:

Fuel Rail Assembly
Object Number: 597227 Size: SH
(1)Fuel Injector Retaining Clip
(2)Fuel Injector
(3)Fuel Rail Assembly
Figure 20:

Fuel Lines
Object Number: 575657 Size: SH
(1)Fuel Line Retainer Strap
(2)Fuel Return Line
(3)Fuel Feed Line
(4)EVAP Purge Pipe
Figure 21:

EVAP Vent Solenoid
Object Number: 342059 Size: SF
(1)Retainer
(2)Fresh Air Line
(3)Bolt
(4)Evaporative Emissions (EVAP) Canister Vent Solenoid
(5)Evaporative Emissions (EVAP) Canister Vent Solenoid Electrical Connector
Figure 22:

Fuel Tank Pressure Sensor
Object Number: 342178 Size: SF
(1)Fuel Pump and Sender Assembly Access Panel
(2)Fuel Pump and Sender Assembly
(3)Fuel Tank Pressure (FTP) Sensor