B1423

DTC B1423 PRESSURE SWITCH CIRCUIT

CIRCUIT DESCRIPTION

DTC Detection Condition:

The pressure switch sends 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 to turn the magnet clutch OFF.

Wiring Diagram:

Step 1:

Step 2:

Step 3:

INSPECTION PROCEDURE