Power Supply Circuit Inspection

IG Key "OFF".
Disconnect the A/C pressure sensor connector.
IG Key "ON".
Measure the voltage between terminal 3 of A/C pressure sensor harness connector and chassis ground.
Specification : approx. 5V

Fig 1: Measuring Voltage Between Terminal 3 Of A/C Pressure Sensor Harness Connector And Chassis Ground
Courtesy of KIA MOTORS AMERICA, INC.
Is the measured voltage within specification?
YES
- Go to "SIGNAL CIRCUIT INSPECTION " procedure.
NO
- Repair Open or Short to ground in A/C pressure sensor power circuit and go to "VERIFICATION OF VEHICLE REPAIR " procedure.