Cooling Fan Relay Operation
The ECM controls cooling fan relays through CAN communication line.
COOLING FAN RELAY OPERATION CHART
| Cooling fan speed |
Cooling fan relay |
| 1 |
2 |
3 |
4 |
5 |
| Stop (OFF) |
OFF |
OFF |
OFF |
OFF |
OFF |
| Low (LOW) |
OFF |
OFF |
OFF |
ON |
OFF |
| High (HI) |
ON |
ON |
ON |
OFF |
ON |