Engine Controls Component Views

Fig 1: View Of Front Of Battery Tray

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Battery
2	Engine Control Module (ECM)
3	Transmission Control Module (TCM)

Fig 2: Front View of Engine - LZ4

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	MAF/IAT Sensor
2	Evaporative Emission (EVAP) Canister Purge Solenoid Valve
3	Throttle Actuator Control (TAC) Module
4	Fuse Block - Underhood
5	Engine Control Module (ECM)
6	Transmission Control Module (TCM)
7	C100
8	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
9	Starter
10	Engine Oil Pressure (EOP) Sensor
11	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
12	Knock Sensor 2

Fig 3: Identifying Engine Control Components (Left Rear of Engine Compartment)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Coolant Level Switch
2	Battery
3	Electronic Brake Control Module (EBCM)
4	C101
5	G103
6	Fuse Block - Underhood

Fig 4: Identifying Engine Control Components (Lower Left Front of Engine)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine Oil Pressure (EOP) Sensor
2	Starter
3	Starter Solenoid
4	Knock Sensor (KS) 2

Fig 5: Identifying Engine Control Components (Top View of Engine)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
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

Fig 6: Identifying G105 & G106

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Throttle Actuator Control (TAC) Module
2	G106
3	G105

Fig 7: Rear View of Engine - LZ4

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	MAP Sensor
2	Ignition Control Module (ICM)
3	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
4	Knock Sensor 1
5	Engine Coolant Temperature (ECT) Sensor
6	Crankshaft Position (CKP) Sensor
7	Vehicle Speed Sensor (VSS)
8	Engine Oil Level Sensor
9	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
10	Park/Neutral Position (PNP) Switch

Fig 8: Identifying Oxygen Sensors

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
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

Fig 9: Identifying Park Brake & Pedal Assemblies

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Park Brake Switch
2	Adjustable Pedal Module (JF4)
3	Brake Pedal Position Sensor
4	Adjustable Pedal Position Sensor (JF4)
5	Adjustable Accelerator Pedal Position Motor (JF4)
6	Accelerator Pedal Position (APP) Sensor
7	Floor Panel

Fig 10: View Of Fuel Tank Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Evaporative Emission (EVAP) Canister
2	Evaporative Emission (EVAP) Canister Vent Solenoid Valve
3	Fuel Pump and Sender Assembly
4	Fuel Tank Pressure (FTP) Sensor
5	Fuel Tank