Control the cooling motor voltage in according to the duty(300Hz) of ECM.
[ECU → PWM Input Signal(SI : 300Hz)]
Signal Input Duty (%) | Motor Voltage (V) |
10 | 0 |
30 | 4.1 ± 0.65 |
60 | 8.2 ± 0.65 |
70 | 9.57 ± 0.65 |
90 | Min. 12.5 |
Signal open | Min. 12.5 |
Signal short | Min. 12.5 |
A/C Switch | A/C Pressure (Kgf/cm² G) | Vehicle Speed (Km/h) | Coolant Temp (°C) | Duty (%) |
OFF | ─ | V < 45 | 98 above | 35 |
45 ≤ V < 80 | 101 above | 40 | ||
80 ≤ V | 105 above | 80 | ||
ON | A/C Pressure < 6 | ALL | 105 above | 90 |
6 ≤ A/C Pressure < 12 | V < 45 | 82 above | 30 | |
45 ≤ V < 80 | 96 above | 40 | ||
80 ≤ V | 96 above | 60 | ||
12 ≤ A/C Pressure < 15.5 | V < 45 | 101 above | 70 | |
45 ≤ V < 80 | -30 above | 40 | ||
80 ≤ V | 82 above | 60 | ||
15.5 ≤ A/C Pressure | V = 0 | -30 above | 60 | |
0 < V | -30 above | 90 |
