Corolla Sport Coupe L4-1587cc 1.6L DOHC (4A-F) (1988)
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.