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Control module, auxiliary heater

Control module, auxiliary heater


The diesel heater control module has a 14-pin connector and is integrated in the top of the diesel heater. The heater has two operating modes, 2400W and 5000W. The control module uses signals from coolant temperature sensor 1 to regulate the output of the heater by controlling the speed of the blower fan and the fuel pump.

The diesel heater control module governs:


• Heater output mode

• Heater starting phase

• Heater cooling phase

• The fuel pump

• The blower fan