Engine Controls Component Views

Fig 1: Identifying Power & Grounding Components (Left Rear of Engine Compartment)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 1

Callout	Component Name
1	Coolant Level Switch
2	Battery
3	Electronic Brake Control Module (EBCM)
4	C101
5	G103
6	Fuse Block - Underhood
7	Engine Control Module (ECM)
8	Engine Control Module (ECM) C3
9	Engine Control Module (ECM) C2
10	Engine Control Module (ECM) C1

Fig 2: Identifying Engine Control Components (Front of Engine)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 2

Callout	Component Name
1	Fuel Injector 1
2	Fuel Injector 2
3	Fuel Injector 3
4	Manifold Absolute Pressure (MAP) Sensor
5	Fuel Injector 4
6	Evaporative Emission (EVAP) Canister Purge Solenoid Valve
7	Camshaft Position (CMP) Sensor - Intake
8	Knock Sensor (KS)
9	Engine Oil Pressure (EOP) Switch
10	Crankshaft Position (CKP) Sensor
11	Starter Solenoid
12	Starter
13	Intake Manifold

Fig 3: Identifying Engine Control Components (Rear Of Engine)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 3

Callout	Component Name
1	Evaporative Emission (EVAP) Canister Purge Solenoid Valve
2	Camshaft Position (CMP) Sensor - Exhaust
3	Heated Oxygen Sensor (HO2S) 1
4	Heated Oxygen Sensor (HO2S) 2
5	Starter
6	Engine Coolant Temperature (ECT) Sensor
7	Camshaft Position (CMP) Sensor - Intake

Fig 4: Identifying Engine Control Components (Below Left Side Of I/P)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 4

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

Fig 5: Identifying Engine Control Components (Under Right Rear Of Vehicle)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 5

Callout	Component Name
1	Evaporative Emission (EVAP) Canister
2	Evaporative Emission (EVAP) Canister Vent Solenoid Valve
3	Fuel Tank Filler Neck

Fig 6: Identifying Engine Control Components (Top of Fuel Tank)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 6

Callout	Component Name
1	Fuel Tank Pressure (FTP) Sensor, Connector
2	Fuel Pump and Sender Assembly
3	Fuel Pump and Sender Assembly Connector
4	Fuel Tank