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Home >> Chevrolet >> 2001 >> Impala Base, 3.8 K >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Electrical Component Locator) >> Sending Units & Sensors

Sending Units & Sensors

WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue. However, it is still accessible from the selected car via links, so may be relevant.
SENDING UNITS & SENSORS LOCATION

Component Location
A/C Refrigerant Pressure Sensor On left side of engine compartment, on accumulator.
Ambient Air Temperature Sensor Behind front fascia, mounted to radiator air baffle.
Ambient Light Sensor On top center of dash.
Automatic Transmission Fluid Temperature (TFT) Sensor Inside transaxle.
Automatic Transmission Input Shaft Speed (ISS) Sensor Inside transaxle.
Brake Fluid Pressure Sensor On brake pressure modulator valve.
Camshaft Position (CMP) Sensor At right front corner of engine, on cam carrier. See Figure .
Crankshaft Position (CKP) Sensor Left side of engine, near base of engine oil level indicator. See Figure .
Engine Coolant Temperature (ECT) Sensor Right rear of engine, below throttle body. See Figure .
Fuel Pump & Sender Assembly In fuel tank.
Fuel Tank Pressure (FTP) Sensor On top of fuel tank.
Heated Oxygen Sensor (HO2S) 1 In right side exhaust manifold. See Figure .
Heated Oxygen Sensor (HO2S) 2 In exhaust system, behind catalytic converter.
Inside Air Temperature Sensor Behind dash, between radio & knee bolster.
Intake Air Temperature (IAT) Sensor Left front of engine compartment, in air cleaner duct.
Knock Sensor (KS) On lower right side of engine block.
Manifold Absolute Pressure (MAP) Sensor Top rear of engine, near throttle body assembly.
Mass Airflow (MAF) Sensor Left front side of engine compartment, on air cleaner duct. See Figure .
Passlock Sensor Part of ignition switch.
Steering Angle Sensor Near base of steering column.
Sun Load Sensor On top right center of dash.
Throttle Position (TP) Sensor On throttle body assembly. See Figure .
Vehicle Speed Sensor (VSS) Lower right side of engine compartment, on transaxle. See Figure .
Wheel Speed Sensor (WSS) (Left Front) On left front wheel hub.
Wheel Speed Sensor (WSS) (Left Rear) On left rear wheel hub.
Wheel Speed Sensor (WSS) (Right Front) On right front wheel hub.
Wheel Speed Sensor (WSS) (Right Rear) On right rear wheel hub.
Yaw & Lateral Acceleration Sensor In center console.