A = Hardwired: Al = Pulse Width Modulation (PWM): An = High Speed (HS) Controller Area Network (Can) Powertrain Systems Bus: BA = HS Can Human Machine Interface (HMI) Systems Bus: O = Local Interconnect Network (Lin) Bus
| ITEM | DESCRIPTION |
|---|---|
| 1 | HVAC Control Module |
| 2 | Powertrain Control Module (PCM) |
| 3 | Body Control Module/Gateway Module (BCM/GWM) assembly |
| 4 | Interactive Display Module (IDM) |
| 5 | Fuel Fired Booster Heater Control Module (FFBHCM) |
| 6 | Fuel Fired Booster Heater (FFBH) coolant pump |
| 7 | FFBH fuel pump |
| 8 | Changeover valve (on vehicles with timed climate control only) |
| 9 | Ground |
| 10 | Power supply |
| 11 | Engine Coolant Temperature (ECT) sensor |
| 12 | Ambient Air Temperature (AAT) sensor |