Diesel Data: Automotive Repair

Air Conditioning System

DTC 23 PRESSURE SWITCH CIRCUIT

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 magnet clutch relay off and turns the magnetic clutch off.

Wiring Diagram:






Step 1 - 2:




Step 3:




INSPECTION PROCEDURE