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Engine Controls Component Views

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: PCM Location Component View
GM310796Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Powertrain Control Module (PCM)
2 Radiator Support
3 Left Frame Rail
4 PCM Wire Harness Connectors
Fig 2: Fuse Block-Underhood Component View
GM310798Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuse Block-Underhood
2 Forward Lamp Harness - C4 (GRN)
3 Chassis Harness - C3 (RED)
4 Fuse Block-Underhood Mounting Bracket
5 Left Front Wheel House
6 Left Front Inner Fender
7 Instrument Panel Harness - C1 (LT GRY)
8 Engine Harness - C2 (BLK)
Fig 3: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Assembly, Generator, Air Cleaner Component Views
GM405657Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Air Cleaner Assembly
2 Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Assembly
3 Air Inlet Tube
4 Generator
Fig 4: Crankshaft Position (CKP) Sensor Component View
GM235188Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Crankshaft
2 Front Engine Cover
3 Crankshaft Position (CKP) Sensor
Fig 5: Crankshaft Position (CKP) Reluctor Wheel Component View
GM212697Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Crankshaft Position (CKP) Reluctor Wheel
2 Crankshaft
3 Engine Block
Fig 6: Throttle Position (TP) Sensor, Idle Air Control (IAC) Valve, and Positive Crankcase Ventilation Valve (PCV) Component View
GM212698Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Throttle Position (TP) Sensor
2 Idle Air Control (IAC) Valve
3 Ignition Coil
4 Evaporative (EVAP) Canister Purge Solenoid
5 Engine Oil Pressure (EOP) Switch
6 Knock Sensor (KS)
7 Fuel Pressure Connection Valve
8 Positive Crankcase Ventilation Valve (PCV)
Fig 7: MAP, EGR, Purge Solenoid, and Throttle Body Component View
GM209643Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Throttle Body
2 Exhaust Gas Recirculation (EGR) Valve
3 Generator
4 Evaporative Emission (EVAP) Canister Purge Valve
5 Manifold Absolute Pressure (MAP) Sensor
Fig 8: Engine Coolant Temperature (ECT) Sensor Component View
GM235186Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Bank 1 Cylinder Head
2 Engine Coolant Temperature (ECT) Sensor
Fig 9: Evaporative (EVAP) Canister Purge Valve Component View
GM212690Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Engine Harness
2 Injector Assembly Electrical Connector
3 Throttle Body
4 Manifold Absolute Pressure (MAP) Sensor
5 Ignition Control Module (ICM)
6 Ignition Coil
7 Evaporative Emission (EVAP) Canister Purge Solenoid
Fig 10: Camshaft Position (CMP) Sensor, Knock Sensor (KS), and Oil Pressure Switch Component View
GM212680Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Camshaft Position (CMP) Sensor
2 Engine Oil Pressure (EOP) Switch
3 Knock Sensor (KS)
Fig 11: Heated Oxygen Sensors Component View
GM209624Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 HO2S Bank 2 Sensor 2
2 HO2S Bank 1 Sensor 2
3 HO2S Bank 1 Sensor 1
4 HO2S Bank 2 Sensor 1
Fig 12: View Of VSS 2 Wheel Drive Automatic Transmission
GM209622Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Vehicle Speed Sensor (VSS)
Fig 13: View Of Vehicle Speed Sensor (VSS) - 2 Wheel Drive Manual Transmission
GM246886Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Vehicle Speed Sensor (VSS)
Fig 14: View Of Vehicle Speed Sensor (VSS) - 4 Wheel Drive Automatic Transmission
GM246883Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Vehicle Speed Sensor (VSS)
Fig 15: Vehicle Speed Sensor (VSS) - 4 Wheel Drive Manual Transmission Component View
GM246884Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Manual Transmission
2 Vehicle Speed Sensor (VSS)
3 Transfer Case (4WD)
Fig 16: Evaporative Emission (EVAP) Canister Vent Solenoid Component View
GM334914Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Left Frame Rail
2 Evaporative Emission (EVAP) Canister Vent Solenoid
3 Fuel Tank
4 Evaporative Emission (EVAP) Canister
Fig 17: AIR System (RPO NC1 Only), AC Accumulator Component View
GM334932Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Secondary Air Injection (AIR) Pump
2 Vacuum Hose to AIR Solenoid
3 Low Pressure Switch
4 A/C Accumulator
5 AIR Hose to AIR Pipes
6 AIR Solenoid
7 AIR Pump Shut Off Valve
8 Fender to Cowl Brace
Fig 18: Fuel Tank Pressure (FTP) Sensor and Fuel Pump and Sender Assembly Component View
GM235167Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Fuel Tank
2 Fuel Tank Pressure (FTP) Sensor Connector
3 Fuel Level Sensor
4 Fuel Pump and Sender Assembly
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