Sending Units & Sensors
WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 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. |
| Ambient Air Temperature Sensor | On front right side of radiator. |
| Auto Level Control (ALC) Sensor | Mounted to rear crossmember, above rear axle. |
| Automatic Transaxle Fluid Temperature (TFT) Sensor | Inside automatic transaxle. |
| Camshaft Position (CMP) 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. See Figure . |
| Crankshaft Position (CKP) Sensor B | On lower right side of engine. See Figure . |
| Daytime Running Lamp (DRL) Ambient Light Sensor | On center of dash, secured to upper trim pad, near windshield defrost vent. |
| Electronic Frontal Sensor (Left/Right) | Front of radiator support, on left/right side of radiator support. |
| Engine Coolant Temperature (ECT) Sensor | On top left rear of engine. See Figure . |
| Evaporative Temperature Sensor | Behind center of dash, on HVAC assembly. |
| Fuel Pump Sender Unit | Mounted inside fuel tank. |
| Fuel Tank Pressure (FTP) Sensor | On top of fuel tank. |
| Heated Oxygen Sensor (HO2S) No. 1 | On exhaust manifold, right side of engine. See Figure . |
| Heated Oxygen Sensor (HO2S) No. 2 | On exhaust system, behind catalytic converter. |
| Inflatable Restraint Side Impact Sensor (SIS) (Left) | Inside base of left "B" pillar, near seat belt retractor. |
| Inflatable Restraint Side Impact Sensor (SIS) (Right) | Inside base of right "B" pillar, near seat belt retractor. |
| Intake Air Temperature (IAT) Sensor | On air intake, near throttle body assembly. |
| Knock Sensor (KS) Bank 1 | On left side of engine, above starter. See Figure . |
| Manifold Absolute Pressure (MAP) Sensor | On top right side of engine. See Figure . |
| Mass Airflow (MAF) Sensor | In air cleaner duct, left front of engine compartment. |
| Object Sensor (4) | On rear bumper fascia assembly. |
| Theft Deterrent Shock Sensor | Behind dash, right of steering column. See Figure . |
| Side Impact Sensor | Center of respective "B" pillar. |
| Throttle Position (TP) Sensor | On top of engine, on throttle body assembly. See Figure . |
| Vehicle Speed Sensor (VSS) | Mounted to right side of transaxle. See Figure . |
| Wheel Speed Sensor (4) | At individual wheel hub assembly. |