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

Front and Left Side of Engine (LAT or LE5)


Object Number: 2001722  Size: LF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Camshaft Position (CMP) Actuator Solenoid Valve - Intake
(3)Camshaft Position (CMP) Actuator Solenoid Valve - Exhaust
(4)Ignition Coil 1
(5)Ignition Coil 2
(6)Ignition Coil 3
(7)Ignition Coil 4
(8)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(9)Camshaft Position (CMP) Sensor - Exhaust
(10)Camshaft Position (CMP) Sensor - Intake
(11)Engine Oil Pressure (EOP) Switch
(12)Starter Motor
(13)Starter Solenoid (Part of Starter Motor)
(14)Throttle Body
(15)A/C Compressor Clutch
(16)Generator (LE5)/Starter Generator (LAT)
Figure 2:

Front and Rear of Engine (LAT or LE5)


Object Number: 2001746  Size: LF
(1)Knock Sensor (KS)
(2)Heated Oxygen Sensor (HO2S) 1
(3)Heated Oxygen Sensor (HO2S) 2
(4)Engine Coolant Temperature (ECT) Sensor
Figure 3:

Top of Engine (LAT or LE5)


Object Number: 2001756  Size: LF
(1)Fuel Injector 1
(2)Fuel Injector 2
(3)Fuel Injector 3
(4)Fuel Injector 4
Figure 4:

Front and Right Side of Engine (LY7)


Object Number: 2001629  Size: LF
(1)Camshaft Position (CMP) Actuator Solenoid Valve - Bank 1 Intake
(2)Camshaft Position (CMP) Sensor - Bank 1 Intake
(3)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(4)Intake Manifold Tuning (IMT) Solenoid Valve
(5)Camshaft Position (CMP) Sensor - Bank 2 Intake
(6)Manifold Absolute Pressure (MAP) Sensor
(7)Throttle Body
(8)Ignition Coil 6
(9)Ignition Coil 4
(10)Ignition Coil 2
(11)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
(12)Engine Coolant Temperature (ECT) Sensor
(13)Generator
(14)A/C Compressor Clutch
(15)Camshaft Position (CMP) Sensor - Bank 2 Exhaust
(16)Camshaft Position (CMP) Actuator Solenoid Valve - Bank 2 Exhaust
(17)Camshaft Position (CMP) Actuator Solenoid Valve - Bank 2 Intake
(18)Camshaft Position (CMP) Actuator Solenoid Valve - Bank 1 Exhaust
(19)Camshaft Position (CMP) Sensor - Bank 1 Exhaust
Figure 5:

Front and Rear of Engine (LY7)


Object Number: 2100974  Size: LF
(1)Ignition Coil 1
(2)Ignition Coil 3
(3)Ignition Coil 5
(4)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
(5)Knock Sensor (KS) 2
(6)Starter Solenoid (Part of Starter Motor)
(7)Starter Motor
(8)Knock Sensor (KS) 1
(9)Engine Oil Pressure (EOP) Switch
(10)Crankshaft Position (CKP) Sensor
Figure 6:

Top of Engine (LY7)


Object Number: 2001670  Size: LF
(1)Fuel Injector 2
(2)Fuel Injector 1
(3)Fuel Injector 3
(4)Fuel Injector 5
(5)Fuel Injector 6
(6)Fuel Injector 4
Figure 7:

Front of Transmission (MH8 or MH2)


Object Number: 2001674  Size: LF
(1)Control Solenoid Valve Assembly w/TCM
Figure 8:

Front and Rear of Engine (LZ4)


Object Number: 2001680  Size: LF
(1)Engine Coolant Temperature (ECT) Sensor
(2)Knock Sensor (KS) 2
(3)Engine Block Heater
(4)Crankshaft Position (CKP) Sensor
(5)Engine Oil Pressure (EOP) Sensor
(6)Knock Sensor (KS) 1
Figure 9:

Front and Left Side of Engine (LZ4)


Object Number: 2001714  Size: LF
(1)Generator
(2)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(3)Throttle Body
(4)Throttle Actuator (Part of Throttle Body)
(5)Starter Motor
(6)Starter Solenoid (Part of Starter Motor)
(7)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
(8)A/C Compressor Clutch
Figure 10:

Oxygen Sensors (LY7)


Object Number: 1832318  Size: LF
(1)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
(2)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
(3)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
(4)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Figure 11:

Rear of Engine (LZ4)


Object Number: 2001690  Size: LF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Ignition Coil
(3)Ignition Control Module (ICM)
(4)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
(5)Automatic Transmission Output Shaft Speed (OSS) Sensor
Figure 12:

Top View of Engine (LZ4)


Object Number: 1829714  Size: LF
(1)Fuel Injector 6
(2)Fuel Injector 5
(3)Fuel Injector 4
(4)Camshaft Position (CMP) Sensor
(5)Fuel Injector 1
(6)Fuel Injector 2
(7)Fuel Injector 3
Figure 13:

Automatic Transmission Internal Electronic Component Location (ME7 or MN5)


Object Number: 840831  Size: LF
(10)Automatic Transmission Output Shaft Speed (OSS) Sensor
(315a)1-2, 4-3 Shift Solenoid (SS) Valve Assembly
(315b)2-3 Shift Solenoid (SS) Valve Assembly
(322)Pressure Control (PC) Solenoid Valve
(334)Torque Converter Clutch (TCC) Pulse Width Modulation (PWM) Solenoid Valve
(391)Automatic Transmission Fluid Temperature (TFT) Sensor
(395)Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch
(440)Automatic Transmission Input Shaft Speed (ISS) Sensor
(811)Transmission Manual Shift Shaft Switch
Figure 14:

Transmission Electronic Components (MH2 or MH8)


Object Number: 1891268  Size: LF
(7)Control Solenoid Valve Assembly w/TCM
(16)Automatic Transmission Output Shaft Speed (OSS) Sensor
(19)Automatic Transmission Input Shaft Speed (ISS) Sensor
(609)Transmission Manual Shift Shaft Switch
Figure 15:

Left Rear of the Engine Compartment (ME7/MN5)


Object Number: 2101478  Size: LF
(1)Park/Neutral Position (PNP) Switch