Component Inspection

A/C relay check

Key "OFF".
Disconnect A/C relay.
Measure the resistance between terminal 1 and 2 of A/C relay component side.

Measure the resistance between terminal 3 and 5 of A/C relay component side.

Specification:

TERMINAL SPECIFICATION CHART

Terminal	Power Approval
1 ~ 2	NO
3 ~ 5	YES (Approx. 70 Ω ~ 120 Ω)

Fig 1: Measuring Resistance Between Terminal 1, 2 And 3, 5 Of A/C Relay Component Side

G06881946

Courtesy of HYUNDAI MOTOR CO.

Is the measured resistance within specifications?
YES
1. Substitute with a known - good ECM and check for proper operation.
  If the problem is corrected, replace ECM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
1. Substitute with a known - good A/C relay and check for proper operation.
  If the problem is corrected, replace A/C relay and go to "VERIFICATION OF VEHICLE REPAIR " procedure.