B1423

DTC B1423 PRESSURE SWITCH CIRCUIT

CIRCUIT 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 outputs signals to the A/C amplifier assy to turn the magnetic clutch OFF.

Wiring Diagram:

Step 1 - 3:

Step 4:

INSPECTION PROCEDURE