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 Compartment)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 2

Callout	Component Name
1	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor

Fig 3: Identifying Engine Control Components (Front of Engine)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 3

Callout	Component Name
1	Intake Manifold Tuning (IMT) Valve Solenoid
2	Evaporative Emission (EVAP) Canister Purge Solenoid Valve
3	Throttle Actuator Control (TAC) Module
4	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
5	Knock Sensor (KS) 2
6	Starter Solenoid
7	Starter
8	Engine Oil Pressure (EOP) Sensor
9	Camshaft Position (CMP) Actuator Solenoid
10	Camshaft Position (CMP) Sensor

Fig 4: Identifying Engine Control Components (Rear of Engine)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 4

Callout	Component Name
1	Throttle Actuator Control (TAC) Module
2	Manifold Absolute Pressure (MAP) Sensor
3	Ignition Control Module (ICM)
4	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
5	Knock Sensor (KS) 2
6	Block Heater
7	Crankshaft Position (CKP) Sensor
8	Engine Oil Level Sensor
9	Starter
10	Engine Coolant Temperature (ECT) Sensor

Fig 5: Identifying Engine Control Components (Top of Engine - LA1 Component View)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 5

Fig 6: Identifying Engine Control Components (Below Left Side Of I/P)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 6

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

Fig 7: Identifying Engine Control Components (Behind Catalytic Convertors)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 7

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

Fig 8: Identifying Engine Control Components (Under Right Rear Of Vehicle)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 8

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

Fig 9: Identifying Engine Control Components (Top of Fuel Tank)

Courtesy of GENERAL MOTORS CORP.

Callouts For Fig 9

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