Charge Air Coolant Pump
| ITEM | DESCRIPTION |
|---|---|
| 1 | Coolant intake connection |
| 2 | Coolant outlet connection |
| 3 | Electrical connector |
The charge air coolant pump is an electric pump attached to the rear left side of the engine cooling fan shroud. Hoses connect the intake of the charge air coolant pump to the left charge air radiator, and the outlet to the charge air coolers. An electrical connector provides the interface between the motor of the charge air coolant pump and the vehicle wiring.
The charge air coolant pump receives a supply from the Engine Junction Box (EJB) and is controlled by a Pulse Width Modulation (PWM) signal from the Powertrain Control Module (PCM).