Description and Operation: Description
WARNING: This page is about a different variant/trim than selected.
Control the cooling motor voltage in according to the duty (300Hz) of ECM.
[ECU PWM Input Signal (SI: 300Hz)]
COOLING MOTOR VOLTAGE
| SI Duty | Motor Voltage (V) | - |
|---|---|---|
| 10% | 0 | - |
| 30% | 4.1 | ± 0.65 |
| 60% | 8.2 | ± 0.66 |
| 70% | 9.57 | ± 0.67 |
| 90% | 12.5 | - |
COOLING FAN OPERATION CONDITION
| 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 |