Mirror Defogger Relay Test
- Remove mirror defogger relay (Blue or Green) from engine compartment relay box, located above passenger-side wheelwell. Using ohmmeter, check for continuity between relay terminals No. 3 and 5. See Fig 1 . If continuity is present, replace relay.
- If continuity is not present, apply battery voltage across terminals No. 1 and 2. If continuity is not present between terminals No. 3 and 5, replace relay.