Engine Controls Component Views

Fig 1: Front of Engine

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
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 Actuator Control (TAC) Module
8	Engine Coolant Heater
9	Knock Sensor (KS) 1
10	Engine Oil Level Switch
11	Camshaft Position (CMP) Sensor

Fig 2: Left Front of Engine Compartment

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Transmission Control Module (TCM)
2	Air Cleaner Housing
3	Radiator Core Support
4	Powertrain Control Module (PCM)

Fig 3: Left Top Side of Engine

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Throttle Actuator Control (TAC) Module
2	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
3	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector

Fig 4: Rear of Engine (LS4)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Ignition Coil 7
2	Throttle Actuator Control (TAC) Module
3	Ignition Coil 8
4	Ignition Coil 6
5	Ignition Coil 4
6	Ignition Coil 2
7	Heated Oxygen Sensor (HO2S) 1
8	Knock Sensor (KS) 2
9	Crankshaft Position (CKP) Sensor
10	Engine Oil Level Switch
11	Valve Lifter Oil Manifold (VLOM) Assembly

Fig 5: Top of Engine (LS4)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Ignition Coil 8
2	Fuel Injector 8
3	Evaporative Emission (EVAP) Canister Purge Solenoid Valve
4	Manifold Absolute Pressure (MAP) Sensor
5	Throttle Actuator Control (TAC) Module
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

Fig 6: Left Rear of Engine Compartment

Courtesy of GENERAL MOTORS CORP.

Fig 7: Underbody Component Views

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Heated Oxygen Sensor (HO2S) Sensor 2

Fig 8: Left Footwell Component Views

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Accelerator Pedal Position (APP) Sensor
2	Brake Pedal Position Sensor

Fig 9: Left Rear Of The Vehicle Component Views

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Evaporative Emission (EVAP) Canister Vent Solenoid

Fig 10: Fuel Pump and Sender Assembly Component Views

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Line Quick Connector
2	Fuel Pump
3	Base Plate
4	Fuel Strainer
5	Fuel Level Sensor
6	Springs
7	Fuel Tank Pressure (FTP) Sensor