Ventilation fan control (220b)
Courtesy of SAAB-SCANIA OF AMERICA, INC. VENTILATION FAN CONTROL (220B) TECHNICAL DATA
| Control signal. |
frequency
pulse ratio |
2 kHz PWM
5% - 95% |
| Control signal. |
pin no |
3 |
| Power supply B+ |
pin no |
4 |
| Reference ground |
pin no |
1 |