Van Wagon 2WD L4-2237cc 2.2L (4Y-EC) (1987)
Compressor Speed Sensor: Testing and Inspection
1.
On Camry and Corolla (RWD), disconnect electrical connector to revolution sensor and measure resistance of sensor.
2.
If resistance is not 220-280 ohms for Camry or 200-260 ohms for Corolla rear wheel drive, at 68 degrees F., sensor is defective.