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Control Relay
- Disconnect electrical connector. Using an ohmmeter, check continuity between relay terminals No. 1 and 7, then 3 and 7. See Fig 1
. If no continuity is present, go to next step. If continuity is present, control relay is defective.
- Check continuity between terminals No. 2 and 5, then 2 and 3. Approximately 95 ohms resistance should be present. Check continuity between terminals No. 6 and 4. Approximately 35 ohms resistance should be present. Check continuity between terminals No. 4 and 8, then reverse leads. Continuity should exist in one direction only. If not to specification, relay is defective.
- Apply battery voltage across terminals No. 8 (positive) and No. 4 (negative) while checking continuity between terminals No. 3 and 7. If continuity is present, relay is okay. If not, replace relay.
- Apply battery voltage across terminals No. 6 (positive) and No. 4 (negative) while checking continuity between terminals No. 1 and 7. If continuity is present, relay is okay. If not, replace relay.
Courtesy of HYUNDAI MOTOR CO.