Engine Controls Component Views

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Fig 1: Engine Control Module (ECM)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine Control Module (ECM)
2	Engine Control Module (ECM) C3
3	Engine Control Module (ECM) C2
4	Engine Control Module (ECM) C1

Fig 2: Camshaft Position (CMP) Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Camshaft Position (CMP) Sensor
2	Camshaft Position (CMP) Sensor Jumper Harness
3	C110
4	Engine Harness
5	Engine

Fig 3: Upper Left Side of the Engine

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Injector 1
2	Evaporative Emission (EVAP) Canister Purge Solenoid
3	Fuel Injector 3
4	Manifold Absolute Pressure (MAP) Sensor
5	Fuel Injector 5
6	Fuel Injector 7
7	Engine
8	Ignition Coil 7
9	Ignition Coil 5
10	Ignition Coil Harness
11	C109
12	Ignition Coil 3
13	Ignition Coil 1

Fig 4: Lower Left Side of Engine - Rear

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	G107
2	Knock Sensor (KS) 1 - Left
3	Engine
4	G109
5	Engine Harness

Fig 5: Upper Right Side of the Engine

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine
2	Fuel Injector 8
3	Fuel Injector 6
4	Fuel Injector 4
5	Fuel Injector 2
6	Throttle Body
7	Ignition Coil 2
8	Ignition Coil 4
9	Ignition Coil Harness
10	C108
11	Ignition Coil 6
12	Ignition Coil 8

Fig 6: Upper Right Side of the Engine - Front

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine
2	Engine Harness
3	Air Duct
4	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor

Fig 7: Lower Right Side of the Engine - Rear

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Crankshaft Position (CKP) Sensor
2	Knock Sensor (KS) 2 - Right
3	Engine Harness
4	Starter
5	Engine

Fig 8: Rear of the Engine

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine
2	Engine Harness
3	Engine Oil Pressure (EOP) Sensor
4	Valve Lifter Oil Manifold (VLOM) Assembly (DOD)
5	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
6	Transmission
7	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1

Fig 9: Right Side of the Transmission

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Vehicle Speed Sensor (VSS)
2	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
3	Transmission
4	C175
5	Engine Harness

Fig 10: Rear of the Transmission

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
2	Transmission Crossmember
3	Transmission
4	Engine Harness

Fig 11: Power Brake Booster (DOD)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Brake Booster Vacuum Sensor
2	Engine Harness
3	Power Brake Booster

Fig 12: Accelerator and Brake Pedals

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Instrument Panel Harness
2	Accelerator Pedal Position (APP) Sensor
3	Accelerator Pedal
4	Brake Pedal
5	Stop Lamp Switch

Fig 13: Fuel Tank (Short Wheel Base)

Courtesy of GENERAL MOTORS CORP.

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

Fig 14: Fuel Tank (Long Wheel Base)

Courtesy of GENERAL MOTORS CORP.

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