Sending Units & Sensors
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. 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 high pressure line, near A/C compressor. |
| Accelerator Pedal Position (APP) Sensor | Above accelerator pedal, on bracket. |
| Air Suspension Sensor (Left) | On frame rail, near left rear suspension arm. |
| Air Suspension Sensor (Right) | On frame rail, near right rear suspension arm. See Figure. |
| Ambient Air Temperature Sensor | On left center of radiator support. |
| Ambient Light Sensor | On top center of dash. |
| Ambient Light/Sun Load Sensor | On top center of dash, near base of windshield. |
| Camshaft Position (CMP) Sensor | On right front of cylinder head. See Figure. |
| Crankshaft Position (CKP) Sensor | On left rear of engine block, below starter. See Figure. |
| Engine Coolant Temperature (ECT) Sensor | On left front of engine block, near generator. See Figure. |
| Engine Oil Level/Temp Sensor | On right side of engine block. |
| Fuel Pump & Sender Assembly | Inside fuel tank. |
| Fuel Tank Pressure (FTP) Sensor | At top left rear of fuel tank. |
| Heated Oxygen Sensor (HO2S) 1 | On exhaust manifold, on right side of engine. |
| Heated Oxygen Sensor (HO2S) 2 | Downstream of catalytic converter, on exhaust pipe. |
| Inflatable Restraint Front End Discriminating Sensor (Left) | At left rear of front frame crossmember. |
| Inflatable Restraint Front End Discriminating Sensor (Right) | At right rear of front frame crossmember. |
| Inside Air Temperature Sensor Assembly | At top of left "B" pillar, behind trim. |
| Intake Air Temperature (IAT) Sensor | In air intake duct, on top right of engine. See Figure. |
| Knock Sensor (KS) | On lower left front of engine block. See Figure. |
| Knock Sensor (KS) (Rear) | On lower left rear of engine block. See Figure. |
| Lower Left Air Temperature Sensor | Behind lower left center of dash, on air duct. |
| Lower Right Air Temperature Sensor | Behind lower right side of dash, on air duct. |
| Manifold Absolute Pressure (MAP) Sensor | On upper left side of engine. See Figure. |
| Passlock Sensor | In ignition lock cylinder case. |
| Propshaft Speed Sensor (Left Front) | On left front of transfer case. |
| Propshaft Speed Sensor (Right Rear) | On right rear of transfer case. |
| Rain Sensor | On upper center of windshield. |
| Upper Left Air Temperature Sensor | Behind upper left center of dash. |
| Upper Right Air Temperature Sensor | Behind upper right center of dash. |
| Vehicle Speed Sensor (VSS) | On left rear of transfer case. |
| Wheel Speed Sensor (Left Front) | On left front spindle/hub assembly. |
| Wheel Speed Sensor (Right Front) | On right front spindle/hub assembly. |