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Powertrain Component Views

Fig 1: View Of Engine Electrical Components

GM1542535

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuse Block - Underhood (Battery Stud)
2	G102
3	Battery Current Sensor
4	Generator
5	Automatic Transmission
6	G113
7	G115 (Battery Cable)
8	G115
9	Starter Motor
10	Battery

Fig 2: Front of the Engine (LGD/LZ9)

GM1700522

Courtesy of GENERAL MOTORS CORP.

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

Fig 3: Fuel Rail (LGD/LZ9)

GM1700526

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Injector 1
2	Fuel Injector 3
3	Fuel Injector 5
4	Fuel Injector 6
5	Engine Coolant Temperature (ECT) Sensor
6	J142
7	Fuel Injector 4
8	Fuel Injector 2
9	Crankshaft Position (CKP) Sensor
10	X102

Fig 4: Air Intake System (LGD/LZ9)

GM1700520

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Mass Air Flow (MAF)/ Intake Air Temperature (IAT) Sensor
2	Engine Control Module (ECM)

Fig 5: Rear of the Engine (LGD/LZ9)

GM1700528

Courtesy of GENERAL MOTORS CORP.

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) 1
5	Knock Sensor (KS) 1
6	Block Heater
7	Crankshaft Position (CKP) Sensor
8	Engine Oil Level Switch
9	Engine Coolant Temperature (ECT) Sensor

Fig 6: Behind Engine, Under Vehicle (LGD/LZ9)

GM1700531

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Heated Oxygen Sensor (HO2S) 2
2	Catalytic Converter

Fig 7: Internal Electronic Component Locations

GM840831

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
10	Vehicle Speed Sensor (VSS) Assembly
315a	1-2, 3-4 Shift Solenoid (SS) Valve Assembly
315b	2-3 Shift Solenoid (SS) Valve Assembly
322	Pressure Control (PC) Solenoid Valve Assembly
334	Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve Assembly
391	Transmission Fluid Temperature (TFT) Sensor
395	Transmission Fluid Pressure (TFP) Manual Valve Position Switch Assembly
440	Automatic Transmission Input Shaft Speed (A/T ISS) Sensor Assembly
811	Lever Assembly-Manual Shaft Detent with Shift Position Switch - Internal Mode Switch (IMS)