Except 300ZX
- Remove relay. Ensure continuity exists across terminals No. 1 and 2, and no continuity exists across terminals No. 3 and 5. If continuity is not as specified, replace relay.
- Connect 12-volt source across terminals No. 1 and 2. See Fig 1 . With relay energized, check continuity between terminals No. 3 and 5. If there is no continuity, replace relay. If there is continuity, relay is okay.