Powertrain Component Views

Fig 1: Engine Components (4 of 4) (LE5)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Ignition Coil 4
2	Ignition Coil 3
3	Ignition Coil 2
4	Camshaft Position (CMP) Actuator Solenoid - Intake
5	Camshaft Position (CMP) Actuator Solenoid - Exhaust
6	Ignition Coil 1
7	G104
8	Engine Harness
9	Engine Block Heater Connector
10	Heated Oxygen Sensor (HO2S) 1
11	Heated Oxygen Sensor (HO2S) 2
12	Engine Coolant Temperature (ECT) Sensor
13	Camshaft Position (CMP) Sensor 2 (Exhaust)
14	G103
15	Camshaft Position (CMP) Sensor 1 (Intake)
16	Evaporative Emission (EVAP) Canister Purge Solenoid

Fig 2: Locating Power & Grounding Components (Front of the Engine - LE5)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Mass Air Flow (MAF) / Intake Air Temperature (IAT) Sensor Connector
2	J101
3	G106
4	Fuse Block - Underhood X1
5	X108
6	X100
7	J118
8	G105
9	X130

Fig 3: Front of the Engine (LE5)

Courtesy of GENERAL MOTORS CORP.

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 4: View Of Rear Of Engine (LE5)

Courtesy of GENERAL MOTORS CORP.

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 5: Identifying Engine Control Components (Front of Engine) (LY7)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	G113
2	Fuse Block - Underhood
3	Engine Control Module (ECM)
4	J199
5	Transmission Control Module (TCM)
6	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
7	Knock Sensor 2
8	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
9	A/C Compressor
10	Engine Oil Pressure (EOP) Sensor
11	Generator
12	Engine Coolant Temperature (ECT) Sensor

Fig 6: Identifying Engine Control Components (Front View of Engine) (LY7)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Manifold Absolute pressure (MAP) Sensor
2	Intake Manifold Tuning (IMT) Valve Solenoid
3	Camshaft Position (CMP) Sensor - Bank 2 Intake
4	Camshaft Position (CMP) Actuator Solenoid - Bank 2 Intake
5	Camshaft Position (CMP) Sensor - Bank 2 Exhaust
6	Mass Air Flow (MAF) /Intake Air Temperature (IAT) Sensor
7	Camshaft Position (CMP) Actuator Solenoid - Bank 2 Exhaust
8	Camshaft Position (CMP) Sensor - Bank 1 Intake
9	Camshaft Position (CMP) Actuator Solenoid - Bank 1 Exhaust
10	Camshaft Position (CMP) Actuator Solenoid - Bank 1 Intake
11	Camshaft Position (CMP) Sensor - Bank 1 Exhaust
12	Evaporative Emission (EVAP) Canister Purge Solenoid Valve

Fig 7: Identifying Engine Control Components (Top View of Engine) (LY7)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Ignition Coil / Module 1
2	Fuel Injector 1
3	Ignition Coil / Module 3
4	Fuel Injector 3
5	Ignition Coil / Module 5
6	Fuel Injector 5
7	Fuel Injector 6
8	Ignition Coil / Module 6
9	Fuel Injector 4
10	Ignition Coil / Module 4
11	Ignition Coil / Module 2
12	Fuel Injector 2

Fig 8: Identifying Engine Control Components (Rear View of Engine) (LY7)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Throttle Actuator Control (TAC) Module
2	G108
3	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
4	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
5	Knock Sensor 1
6	Crankshaft Position (CKP) Sensor
7	G111
8	G105

Fig 9: Identifying Engine Control Components (Behind Catalytic Convertors) (LZ9/LZ4)

Courtesy of GENERAL MOTORS CORP.

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

Fig 10: Identifying Transmission Control Module Components (Front of Engine - LZ4)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Transmission Control Module (TCM)
2	X100
3	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
4	X130

Fig 11: Identifying Engine Control Components (Left Side of Engine) (LZ4)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	G106
2	Park/Neutral Position (PNP) Switch
3	Fuse Block - Underhood
4	X108
5	Engine Control Module (ECM)
6	X103
7	G105

Fig 12: Front View of Engine - LZ4

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
2	Evaporative Emission (EVAP) Canister Purge Solenoid Valve
3	Throttle Actuator Control (TAC) Module
4	Fuse Block - Underhood
5	Engine Control Module (ECM)
6	Transmission Control Module (TCM)
7	X100
8	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
9	Starter
10	Engine Oil Pressure (EOP) Sensor
11	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
12	Knock Sensor 2

Fig 13: Identifying Engine Control Components (Top View of Engine) (LZ4)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Injector 6
2	Fuel Injector 5
3	Fuel Injector 4
4	Camshaft Position (CMP) Sensor
5	Fuel Injector 1
6	Fuel Injector 2
7	Fuel Injector 3

Fig 14: View Of Lower Left Front of Engine (LZ4)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine Oil Pressure (EOP) Sensor
2	Starter
3	Starter Solenoid
4	Knock Sensor (KS) 2

Fig 15: Rear View of Engine - LZ4

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Manifold Absolute Pressure (MAP) Sensor
2	Ignition Control Module (ICM)
3	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
4	Knock Sensor 1
5	Engine Coolant Temperature (ECT) Sensor
6	Crankshaft Position (CKP) Sensor
7	Vehicle Speed Sensor (VSS)
8	Engine Oil Level Sensor
9	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
10	Park / Neutral Position (PNP) Switch

Fig 16: Identifying Engine Control Components (Front of Engine) (LZ9)

Courtesy of GENERAL MOTORS CORP.

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 17: Locating Power & Grounding Components (Front of Engine - LZ9 w/M15)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	X130
2	Throttle Actuator Control (TAC) Module Connector
3	G105
4	X108
5	Fuse Block Underhood X1 Connector
6	Transmission Control Module (TCM) Connector
7	J118
8	J119
9	Transmission
10	J111
11	Cooling Fan - Right Connector
12	G106

Fig 18: Identifying Engine Control Components (Front of Engine Compartment) (LZ9)

Courtesy of GENERAL MOTORS CORP.

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

Fig 19: Top of Engine (LA1 Component View) (LZ9)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Injector 1
2	Fuel Injector 3
3	Fuel Injector 5
4	Fuel Rail
5	Fuel Injector 6
6	Fuel Injector 4
7	Fuel Injector 2

Fig 20: View Of Lower Left Front of Engine (LX9)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine Oil Pressure (EOP) Switch
2	Starter
3	Starter Solenoid
4	Knock Sensor (KS) 2

Fig 21: Lower Right Front of Engine Component Views (LX9)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	A/C Compressor Clutch

Fig 22: Identifying Engine Control Components (Rear of Engine) (LZ9)

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) 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 23: View Of Top Rear of Engine - LZ9

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Manifold Absolute Pressure (MAP) Sensor
2	Generator
3	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
4	Ignition Control Module (ICM)
5	Exhaust Gas Recirculation (EGR) Valve
6	Evaporative Emission (EVAP) Canister Purge Solenoid
7	Throttle Actuator Control (TAC) Module

Fig 24: Power and Grounding Component Views - Left Rear of Engine (LZ9)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	G105
2	G106
3	Engine Coolant Temperature (ECT) Sensor
4	Park/Neutral Position (PNP) Switch

Fig 25: Electronic Components Component View (MN5)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
13	Automatic Transmission Fluid pressure (TFP) Manual Valve Position Switch
46	Automatic Transmission Input Shaft Speed (AT ISS) Sensor
62	Automatic Transmission Output Shaft Speed (AT OSS) Sensor
305	1-2 Shift Solenoid (1-2 SS) Valve
305	2-3 Shift Solenoid (2-3 SS) Valve
312	Pressure Control (PC) Solenoid Valve
335	Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve

Fig 26: Internal Electronic Component Locations (M15)

Courtesy of GENERAL MOTORS CORP.

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

Fig 27: Identifying Electronic Components (MH2)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
15	Control Solenoid (+ Body and TCM) Valve Assembly
19	A/Trans Output Speed Sensor Assembly
400	A/Trans Input Speed Sensor Assembly
511	Manual Shift Detent (+Shaft Position Switch) Lever Assembly