Sending Units & Sensors

WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. 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	In right front corner of engine compartment, on refrigerant line. See Figure .
Automatic Transmission Fluid Temperature Sensor	In transmission valve body.
CNG Fuel Rail Pressure (FRP) Sensor	On CNG fuel rail. See Figure .
CNG Fuel Rail Temperature (FRT) Sensor	On CNG fuel rail. See Figure .
CNG Fuel Tank Pressure (FTP) Sensor	Rear of vehicle, on CNG tank. See Figure .
Crankshaft Position Sensor	On left rear of engine.
Engine Coolant Temperature Sensor	On top right rear of engine. See Figure .
Engine Oil Pressure Sensor	On left rear of engine.
Fuel Tank Pressure Sensor	On top of fuel tank.
Global Positioning Sensor	On underside of rear package shelf trim.
Heated Oxygen Sensor 1	In exhaust manifold, forward of catalytic converter.
Heated Oxygen Sensor 2	In exhaust, rearward of catalytic converter.
Inflatable Restraint Front End Discriminating Sensor	On center of front bumper, behind fascia.
Inflatable Restraint Side Impact Sensor (Coupe) (Left)	In left front door.
Inflatable Restraint Side Impact Sensor (Coupe) (Right)	In right front door.
Inflatable Restraint Side Impact Sensor (Sedan) (Left)	At driver side "B" pillar.
Inflatable Restraint Side Impact Sensor (Sedan) (Right)	At passenger side "B" pillar.
Intake Air Temperature Sensor	On air cleaner outlet duct assembly.
Knock Sensor	On left rear side of engine block.
Manifold Absolute Pressure Sensor	Mounted on side of throttle body. See Figure .
Passlock Sensor	In right side of steering column.
Throttle Position Sensor	On throttle body assembly. See Figure .
Vehicle Speed Sensor	On right rear of transaxle. See Figure .
Wheel Speed Sensors (4)	On each wheel hub assembly.