A/C Compressor Lock Sensor Circuit

A/C Compressor Lock Sensor Circuit

CIRCUIT DESCRIPTION
This sensor sends 1 pulse par engine revolution to the ECM. It the number ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the ECM turns the compressor OFF. And, the indicator flashes at about 1 second intervals.




WIRING DIAGRAM

Step 1:

Step 2:

Step 3:

INSPECTION PROCEDURE