Engine Controls Component Views

Fig 1: Front of Engine (Except L66)

GM1814210

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Powertrain Control Module (PCM)
2	Transmission Control Module (TCM)
3	Crankshaft Position (CKP) Sensor
4	Engine Oil Pressure (EOP) Switch
5	Knock Sensor
6	Starter
7	A/C Compressor Clutch
8	Starter Generator

Fig 2: Top of Engine

GM1814306

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Mass Air Flow (MAF) Sensor
2	Camshaft Position (CMP) Actuator Solenoid - Intake
3	Camshaft Position (CMP) Actuator Solenoid - Exhaust
4	Ignition Coil Module 1
5	Ignition Coil Module 2
6	Ignition Coil Module 3
7	Ignition Coil Module 4
8	Throttle Actuator Control (TAC) Module
9	Fuel Injector 4
10	Fuel Injector 3
11	Fuel Injector 2
12	Fuel Injector 1

Fig 3: Rear of Engine

GM1814297

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Evaporative Emissions (EVAP) Canister Purge Solenoid
2	Vehicle Speed Sensor (VSS)
3	Heated Oxygen Sensor (HO2S) 2
4	Heated Oxygen Sensor (HO2S) 1
5	Park/Neutral Position (PNP) Switch
6	Engine Coolant Temperature (ECT) Sensor
7	G107

Fig 4: Left Rear of Engine Compartment (LAT)

GM1760272

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	C123 Engine Harness to Body Harness
2	Transmission Control Module (TCM)
3	Engine Control Module (ECM)
4	Auxiliary Fuse Block - Underhood
5	C110 Engine Harness to Forward Lamp Harness
6	Fuse Block - Underhood
7	Forward Lamp Harness
8	C121 Body Harness to Forward Lamp Harness
9	Body Harness

Fig 5: Lower Left Side of I/P

GM1803405

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Cruise Release Switch
2	Stop Lamp Switch
3	Accelerator Pedal Position (APP) Sensor
4	Clutch Start Switch (M/T)

Fig 6: Fuel Tank Components

GM1803057

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Wheel Well - RR
2	Fuel Tank Pressure (FTP) Sensor
3	Fuel Pump and Sender Assembly - Primary
4	Fuel Tank
5	Fuel Pump and Sender Assembly - Secondary
6	Evaporative Emissions (EVAP) Canister Vent Solenoid