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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (Engine Controls - System & Component Testing - 4.3) >> Component Locations
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Component Locations

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For component locations refer to COMPONENT LOCATIONS  table or illustrations. See Fig 1 -Fig 9 .
COMPONENT LOCATIONS

Component Location
Body Control Module Below Steering Column
Camshaft Position Sensor Top Center Rear Of Engine
Crankshaft Position Sensor Lower Right Rear Of Engine
Data Link Connector Lower Left Side Of Instrument Panel
EGR Valve Top Right Front Of Engine
Engine Coolant Temperature Sensor Left Front Of Cylinder Head
EVAP Canister Purge Solenoid Top Right Rear Of Engine
EVAP Canister Vent Solenoid Left Front Side Of Fuel Tank
Fuel Pump Relay In Underhood Fuse/Relay Block
Fuel Tank Pressure Sensor In Fuel Tank
Heated Oxygen Sensor - Bank 1, Sensor 1 Left Exhaust Pipe, Ahead Of Catalytic Converter
Heated Oxygen Sensor - Bank 1, Sensor 2 Left Exhaust Pipe, After Catalytic Converter
Heated Oxygen Sensor - Bank 2, Sensor 1 Right Exhaust Pipe, Ahead Of Catalytic Converter
Heated Oxygen Sensor - Bank 2, Sensor 2 Right Exhaust Pipe, After Catalytic Converter
Idle Air Control Valve On Throttle Body
Ignition Control Module Top Right Side Of Engine
Knock Sensor Rear Of Engine Block
Manifold Absolute Pressure Sensor Top Rear Of Engine
Mass Airflow Sensor In Air Intake Duct
Secondary Air Injection Reaction Pump Right Rear Of Engine Compartment
Secondary Air Injection Reaction Relay Right Rear Of Engine Compartment
Secondary Air Injection Reaction Solenoid Right Rear Of Engine Compartment
Throttle Position Sensor On Throttle Body Assembly
Vehicle Speed Sensor Left Rear Of Transmission
Fig 1: Locating Crankshaft Position Sensor
G98H63401Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating Camshaft Position & Knock Sensors
G00147743Courtesy of GENERAL MOTORS CORP.
Fig 3: Locating Engine Coolant Temperature Sensor
G00147742Courtesy of GENERAL MOTORS CORP.
Fig 4: Locating EGR Valve, EVAP Purge Solenoid & MAP Sensor
G00028337Courtesy of GENERAL MOTORS CORP.
Fig 5: Locating EVAP Canister & EVAP Vent Valve
G00147745Courtesy of GENERAL MOTORS CORP.
Fig 6: Locating Heated Oxygen Sensors
G00147744Courtesy of GENERAL MOTORS CORP.
Fig 7: Locating Idle Air Control Valve, Ignition Coil, Knock Sensor & TP Sensor
G00028336Courtesy of GENERAL MOTORS CORP.
Fig 8: Locating Mass Airflow/Intake Air Temperature Sensor
G00147741Courtesy of GENERAL MOTORS CORP.
Fig 9: Locating Secondary AIR System Components
G00147746Courtesy of GENERAL MOTORS CORP.
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