Rear Defogger Relay: Testing and Inspection

Normally - Open Type B

Relay Test:

1. Check for continuity between the terminals.
^ There should be continuity between the No. 1 and No. 3 terminals when power and ground are connected to the No. 2 and No. 4 terminals.
^ There should be no continuity between the No. 1 and No. 3 terminals when power is disconnected.


^ Rear window defogger relay

Rear Window Defogger Relay:

Type 1:

Rear Window Defogger Relay:

Type 2: