B1493

A/C, shorting to BPV/ground.

Fault symptom
A/C, malfunctions.

Conditions
B1492: A/C, short circuit to BPV.
B1493: A/C, short circuit to ground.

Action
1 Start the car engine. Press the AUTO button on the Automatic Climate Control (ACC) control module panel. Connect the ISAT scan tool, contact the Electronic Display Unit (EDU) and read "AC". The reading should be "ON" and change to "OFF" when the ECON button is pressed.
2 Check the wiring harness between pin 38 on the ACC control module and pin loon the EDU control module for short circuit to BPV/ground.