Timer function

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

BCM turns rear window defogger relay ON for approximately 15 minutes when rear window defogger switch is turned ON to operate rear window defogger, door mirror defoggers and wiper deicer.
Timer is canceled when rear window defogger switch is pressed again during timer operation. BCM turns rear window defogger relay OFF. The same operation also occurs when the ignition switch is turned OFF during timer operation.