Rear Defogger Relay: Testing and Inspection

Check to see if there is any continuity between the relay terminals.
Replace the relay, when the result of inspection is found abnormal.
(2)-(4) ... No continuity
(When battery voltage is applied between (1)-(3))
(2)-(4) ... Continuity

NOTE: For the relay removal, refer to "Connector Handling" under "NOTES FOR WORKING ON ELECTRICAL ITEMS".