GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Under the Hood Latch Trim Panel


Object Number: 1694192  Size: LF
(1)Ambient Air Temperature Sensor
(2)Hood Ajar Switch (AP3, AP8)
Figure 2:

Rear of the Engine (LZE, LZ4, LZ9)


Object Number: 1700291  Size: LF
(1)Throttle Body
(2)Ignition Control Module (ICM)
(3)Heated Oxygen Sensor (HO2S) 1
(4)Engine Coolant Heater
(5)Engine Oil Level Switch
(6)Crankshaft Position (CKP) Sensor
(7)Knock Sensor (KS) Bank 1
Figure 3:

Front of the Engine (LZE, LZ4, LZ9)


Object Number: 1700287  Size: LF
(1)Camshaft Position (CMP) Sensor
(2)Knock Sensor (KS) Bank 2
(3)Engine Oil Pressure (EOP) Sensor
(4)Camshaft Position Actuator Solenoid
Figure 4:

Front of Engine (LS4)


Object Number: 1574059  Size: LF
(1)Engine Coolant Temperature (ECT) Sensor
(2)Ignition Coil 1
(3)Ignition Coil 3
(4)Ignition Coil 5
(5)Ignition Coil 7
(6)Manifold Absolute Pressure (MAP) Sensor
(7)Throttle Body
(8)Engine Coolant Heater
(9)Knock Sensor (KS) Bank 1
(10)Engine Oil Level Switch
(11)Camshaft Position (CMP) Sensor
Figure 5:

Top of Engine (LS4)


Object Number: 1574068  Size: LF
(1)Ignition Coil 8
(2)Fuel Injector 8
(3)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Throttle Body
(6)Engine Oil Pressure (EOP) Sensor
(7)Fuel Injector 7
(8)Ignition Coil 7
(9)Fuel Injector 5
(10)Ignition Coil 5
(11)Fuel Injector 3
(12)Ignition Coil 3
(13)Fuel Injector 1
(14)Ignition Coil 1
(15)Fuel Injector 2
(16)Ignition Coil 2
(17)Fuel Injector 4
(18)Ignition Coil 4
(19)Fuel Injector 6
(20)Ignition Coil 6
Figure 6:

I/P Components


Object Number: 1653129  Size: LF
(1)Headlamp Switch
(2)Instrument Panel Cluster (IPC)
(3)Inflatable Restraint Steering Wheel Module Coil
(4)Driver Information Center (DIC) Switch
(5)Ambient Light Sensor
(6)Inflatable Restraint Passenger Air Bag On/Off Indicator (Sedan w/o 9C1, 9C3)
(7)Radio
(8)Inflatable Restraint I/P Module
(9)I/P Trim Panel
(10)Heated Seat Switch - Passenger (KA1)
(11)HVAC Control Module
(12)Heated Seat Switch - Driver (KA1)
(13)Turn Signal/Multifunction Switch
Figure 7:

Fuel Tank Components


Object Number: 1653116  Size: LF
(1)Fuel Tank
(2)Fuel Pump and Sender Assembly
(3)Fuel Tank Pressure (FTP) Sensor
(4)Evaporative Emission (EVAP) Canister Vent Solenoid