Wiper Blade Heater Relay: Testing and Inspection
WINDSHIELD GLASS DEICER RELAYINSPECTION
1. Remove the negative (-) battery terminal.
2. Remove the windshield deicer relay (A) from the engine room relay box.
3. Check for continuity between the terminals.
4. There should be continuity between the No.87 and No.30 terminals when power and ground are connected to the No.86 and No.85 terminals.
5. There should be no continuity between the No.87 and No.30 terminals when power is disconnected.