Wiper Relay: Testing and Inspection
REAR WIPER RELAY INSPECTIONReference: Rear Wiper Relay Removal and Installation Service and Repair
1. Check that there is no continuity between terminal "3" and "4". If there is continuity, replace relay.
2. Connect battery positive (+) terminal to terminal "2" of relay.
3. Connect battery negative (-) terminal to terminal "1" of relay.
4. Check continuity between terminal "3" and "4". If there is no continuity when relay is connected to the battery, replace relay.