Circuit Description
WARNING: This page is about a different car, the 2000 Isuzu Rodeo and 2000 Isuzu Amigo. However, it is still accessible from the selected car via links, so may be relevant.
PCM monitors A/C refrigerant pressure through the use of a 3-wire sensor. If PCM senses the pressure fall below a threshold value, DTC P0533 will set.
Condition required to set DTC is: A/C pressure sensor is greater than 250 counts (4.88 volts) for 125 seconds withinr a period of 250 seconds.