Rear Window Defogger Timer Relay (If Equipped) Inspection: Notes

1. Disconnect rear defogger timer relay.
2. Connect (+) wire and (-) wire of 12 V battery to terminal "A", "B", "C", "D", and "test light (12 V, 3.4W) (1)" as shown in figure.
3. Connect (-) wire of 12 V battery to terminal "E" and check if test light (1) come on.
4. After 10 minutes, if test light go out, it means that timer relay is operating.

Fig 1: Checking Rear Defogger Timer Relay

Courtesy of SUZUKI OF AMERICA CORP.