DTC 23

B1423 / 23 - 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 via the ECM to switch OFF the compressor relay and turns the magnetic clutch OFF.

Wiring Diagram:

Step 1:

Steps 2 - 4:

INSPECTION PROCEDURE