Operation CHARM: Car repair manuals for everyone.

DTC 22

22 - Compressor Lock Sensor Circuit

Detection Item:




CIRCUIT DESCRIPTION
This sensor sends 4 pulses per engine revolution to the A/C amplifier
If the number ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the A/C amplifier turns the compressor OFF. And, the indicator flashes at about 1 second intervals.

Wiring Diagram:






Steps 1 - 2:




Step 3:




INSPECTION PROCEDURE