B1423
DTC B1423 PRESSURE SWITCH CIRCUITCIRCUIT DESCRIPTION
Detection Item:
The pressure switch sends the appropriate signals to the ECM when the A/C refrigerant pressure drops too low or rises too high. When the ECM receives these signals, it signals to the A/C amplifier assy to turn the magnetic clutch OFF
Wiring Diagram:
Step 1 - 2:
Step 3 - 4:
INSPECTION PROCEDURE