Sending Units & Sensors
WARNING: This page is about a different car, the 2004 Pontiac Montana, 2004 Oldsmobile Silhouette, and 2004 Chevrolet Venture. 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, below accumulator. See Figure . |
| Ambient Air Temperature Sensor | On front right side of radiator. |
| Auto Level Control (ALC) Sensor | Mounted to rear crossmember, above rear axle. See Figure . |
| Auto Level Control Sensor Connector | On auto level sensor. See Figure . |
| Automatic Transmission Input Shaft Speed (A/T ISS) Sensor Assembly | In transmission. See Figure . |
| Camshaft Position (CMP) Sensor Harness Connector | Front of left cylinder head. See Figure . |
| Camshaft Position Sensor | On front of engine, above A/C compressor. |
| Crankshaft Position (CKP) Sensor A | On front of engine, at end of crankshaft, behind harmonic balancer. |
| Crankshaft Position (CKP) Sensor A Harness Connector | Above A/C compressor. See Figure . |
| Crankshaft Position (CKP) Sensor B | On lower right side of engine. |
| Crankshaft Position (CKP) Sensor B Harness | Lower right side of engine. See Figure . |
| Daytime Running Lamp (DRL) Ambient Light Sensor | On top center of I/P. See Figure . |
| ECT Sensor | On top left rear of engine. See Figure . |
| Electronic Frontal Sensor (Left, Right Similar) | Left front of vehicle. See Figure . |
| Evaporative Temperature Sensor | Behind center of dash, on HVAC assembly. |
| Fuel Pump Sender Unit | Mounted inside fuel tank. |
| Fuel Sender | In fuel tank. See Figure . |
| Fuel Sender Harness | On fuel sender. See Figure . |
| Fuel Tank Pressure (FTP) Sensor | On top of fuel tank. |
| Heated Oxygen Sensor (HO2S) 1 | On exhaust manifold, right side of engine. See Figure . |
| Heated Oxygen Sensor (HO2S) 2 | On exhaust system, behind catalytic converter. See Figure . |
| Heated Oxygen Sensor (HO2S) 2 Connector | On heated oxygen sensor 2. See Figure . |
| Inflatable Restraint Side Impact Sensor (Left) | Inside base of left "B" pillar, near seat belt retractor. |
| Inflatable Restraint Side Impact Sensor (Right) | Inside base of right "B" pillar, near seat belt retractor. |
| Intake Air Temperature Sensor | On air intake, near throttle body assembly. |
| Knock Sensor (KS) Bank 1 | On left side of engine, above starter. See Figure . |
| MAP Sensor | On top right side of engine. See Figure . |
| Mass Airflow (MAF) Sensor | In air cleaner duct, left front of engine compartment. See Figure . |
| Object Sensor | On rear bumper fascia assembly. See Figure . |
| Shock Sensor (Theft Deterrent) | Behind dash, right of steering column. See Figure . |
| Side Impact Sensor (Left, Right Similar) | Lower left "B" pillar. See Figure . |
| TP Sensor | On throttle body assembly. See Figure . |
| Transmission Fluid Temperature (TFT) Sensor | Inside automatic transmission. See Figure . |
| Vehicle Speed Sensor (VSS) Assembly | Mounted to right side of transaxle. See Figure . |
| VSS Electrical Connector | On vehicle speed (VSS) sensor. See Figure . |
| Wheel Speed Sensor(WSS) Harness Connector (Right Front) | At right front wheel speed sensor. See Figure . |
| Wheel Speed Sensor(WSS) Harness (Right Front) | Near right front wheel. See Figure . |