Rear Window Defogger Relay Inspection

1. Disconnect negative (-) cable from battery.
2. Remove rear window defogger relay (1) from fuse / relay box (2).
   Fig 1: Removing Rear Window Defogger Relay From Fuse / Relay Box (2)

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3. Check that there is no continuity between terminal "c" and "d". If there is continuity, replace relay.
4. Connect that there is continuity between terminals "c" and "d" when a 12 V battery is connected to terminals "a" and "b".

If malfunction is found, replace it with a new one.

Fig 2: Checking Rear Window Defogger Switch Continuity

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