Diesel Data: Automotive Repair

Air Conditioning System (Automatic)

DTC 23 Pressure Switch Circuit

DESCRIPTION

Detection Item:







The pressure switch sends the appropriate signals to the A/C amplifier when the A/C refrigerant pressure drops too low or rises too high. When the A/C amplifier receives these signals, it outputs signals through the A/C amplifier to turn the magnetic clutch relay off and turns the magnetic clutch off.

Wiring Diagram:






Step 1-2:




Step 2 (Continued)-3:




INSPECTION PROCEDURE