Sending Units & Sensors
SENDING UNITS & SENSORS LOCATION
| Component | Location |
|---|---|
| A/C Refrigerant Pressure Sensor | Left side of engine compartment, below air cleaner assembly. |
| Ambient Air Temperature Sensor | In front of radiator, behind right headlight. See Figure . |
| Auto Level Control (ALC) Sensor (AWD) | Mounted to rear crossmember above rear axle, behind left rear wheelhouse. |
| Auto Level Control (ALC) Sensor (FWD) | Above rear axle, on rear crossmember. |
| Camshaft Position (CMP) Sensor | On top front of engine. See Figure . |
| Crankshaft Position (CKP) Sensor | On lower right side of engine. See Figure . |
| Crankshaft Position (CKP) Sensor X | On front of engine, behind harmonic balancer. See Figure . |
| Daytime Running Lamp (DRL) Ambient Light Sensor | Center of dash, near defrost vent. |
| Engine Coolant Temperature (ECT) Sensor | On top rear of engine, near thermostat housing. See Figure . |
| Evaporative Temperature Sensor | In HVAC module, mounted to evaporator coil. |
| Front Wheel Speed Sensor (Left/Right) | On respective front hub assembly. |
| Fuel Tank Pressure (FTP) Sensor | Inside fuel tank. |
| Heated Oxygen Sensor (HO2S 1) | At right side of engine, on exhaust manifold. |
| Heated Oxygen Sensor (HO2S 2) | On exhaust system, behind catalytic converter. |
| Inflatable Restraint Side Impact Sensor (Left) | At base of left "B" pillar, above seat belt retractor. |
| Inflatable Restraint Side Impact Sensor (Right) | At base of right "B" pillar, above seat belt retractor. |
| Intake Air Temperature (IAT) Sensor | Near throttle body, in air intake duct. See Figure . |
| Knock Sensor (KS) | On lower left side of engine, above starter. See Figure . |
| Manifold Absolute Pressure (MAP) Sensor | On top front of engine. See Figure . |
| Mass Airflow (MAF) Sensor | At left side of engine compartment, on air cleaner housing. See Figure . |
| Rear Parking Assist (RPA) Sensors (Buick) | Mounted to rear fascia. |
| Rear Wheel Speed Sensor (Left/Right) | On respective rear hub assembly. |
| Sunload Sensor | Center of dash, mounted to trim plate, near windshield defrost vent. |
| Throttle Position (TP) Sensor | Top of engine, on rear side of throttle assembly. |
| Transaxle Fluid Temperature (TFT) Sensor | Inside automatic transaxle. |
| Vehicle Speed Sensor (VSS) | On transaxle. |