Control Circuit Inspection

IG "OFF".
Disconnect A/C relay and ECM/PCM harness connector.
IG "ON".
Measure the resistance between terminal 5 of A/C relay harness connector and terminal 38/C01-2 of ECM/PCM harness connector (AT).
Measure the resistance between terminal 5 of A/C relay harness connector and terminal 45/C01 of ECM/PCM harness connector (MT).

Specification: below 1 Ω

Fig 1: Measuring Resistance Between Terminal 5 Of A/C Relay Harness Connector And Terminal 45/C01 Of ECM/PCM Harness Connector
Courtesy of HYUNDAI MOTOR CO.
Is the measured resistance within specification?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Repair Open in A/C relay control circuit and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.