Charge Air Coolant Pump
| ITEM | DESCRIPTION |
|---|---|
| 1 | Electrical connector - Powertrain Control Module (PCM) |
| 2 | Engine coolant inlet - From auxiliary radiator |
| 3 | Engine coolant outlet - To charge air cooler |
The charge air coolant pump is installed on the viscous cooling fan. The charge air coolant pump circulates the engine coolant from the auxiliary radiator to cool the following components:
- Charge air cooler
- Electric supercharger
- Electric supercharger bypass valve.
The PCM controls the charge air coolant pump through Pulse Width Modulation (PWM) signal.