Control Circuit Inspection

Check Short to Ground in harness
1. IG "OFF" and disconnect A/C relay.
2. IG "ON"
3. Measure voltage between control terminal of A/C relay harness and chassis ground.
  Specification : Approx. 2.5V
  
  Fig 1: Measuring Voltage Between Control Terminal Of A/C Relay & Chassis Ground
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured voltage within specification?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Repair short in coil control harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.