Rear Integration Module
WARNING: This page is about a different car, the 2001 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.
Rear Integration Module (RIM) functions include fuel level sensor input, heated seat controls, Heating Ventilation Air Conditioning (HVAC) blower control, rear defogger control, parking brake relay controls, interior lights control, back-up light controls, automatic day/night mirror controls, rear foglights controls, fuel door/trunk lid release controls, Retained Accessory Power (RAP) control for sun roof module, door ajar switch inputs, tamper switch inputs from trunk lid, and anti-theft alarm controls.