MHEV Battery Electric Cooling Fan
| ITEM | DESCRIPTION |
|---|---|
| 1 | MHEV battery electric cooling fan |
| 2 | Cooling air inlet |
| 3 | Wiring harness connector |
| 4 | Cooling air outlet |
The MHEV battery electric cooling fan is located in the MHEV battery housing. The MHEV housing is located behind the right loadspace trim panel. The MHEV battery electric cooling fan is attached to the MHEV battery housing with 2 bolts.
The cooling air inlet air duct directs air from behind the right loadspace trim panel to the MHEV battery electric cooling fan. The cooling air inlet duct integrated in the MHEV battery housing directs the air from the MHEV battery electric cooling fan to the MHEV battery. The cooling air outlet from the MHEV battery housing discharges the air, behind the right loadspace trim panel.
The MHEV battery electric cooling fan has a short fly lead with a 4 pin wiring harness connector. The 4 pin connector only uses 3 pins of the wiring harness connector for the following electrical connections:
- Power supply from the Engine Junction Box (EJB).
- A Pulse Width Modulation (PWM) signal from the Battery Energy Control Module (BECM) in the MHEV battery.
- A ground connection.
The BECM in the MHEV battery sends a PWM signal to the MHEV battery electric cooling fan to control the speed of the MHEV battery electric cooling fan. The MHEV battery electric cooling fan then regulates its speed depending on the duty cycle of the PWM signal.
Cooling Air Flow
| ITEM | DESCRIPTION |
|---|---|
| A | Cooling air inlet |
| B | Cooling air outlet |
| 1 | MHEV battery electric cooling fan |
| 2 | Air inlet |
| 3 | MHEV battery housing - Main |
| 4 | MHEV battery housing - MHEV battery electric cooling fan mount and air duct |