Signal Circuit Inspection

■ Check for Short to Power in Signal Circuit 

1. IG KEY OFF.
2. Disconnect A/C pressure sensor harness connector.
3. IG KEY ON.
4. Measure voltage between signal terminal of A/C pressure S. harness connector and chassis ground.

   Specification:  Approx. 0 V

   Fig 1: Measuring Voltage Between Signal Terminal Of A/C Pressure Sensor Harness Connector And Chassis Ground

   Courtesy of HYUNDAI MOTOR AMERICA
5. Is voltage within specification?

   YES 

   • Go to next procedure.

   NO 

   • Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.