Diesel Data: Automotive Repair

Air Conditioning System (Automatic)

DTC 22 Compressor Lock Sensor Circuit

DESCRIPTION

Detection Item:




The A/C amplifier reads the difference between compressor speed and engine speed. When the difference becomes too large, the A/C amplifier determines that the compressor locks, and turns the magnetic clutch off.

Wiring Diagram:






Step 1-2:




Step 2 (Continued):




INSPECTION PROCEDURE