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Home >> Land Rover >> 2017 >> Range Rover Autobiography >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Auxiliary Climate Control - TDV6 3.0L Diesel/TDV8 4.4L Diesel/V6 S/C 3.0L Petrol/V8 N/A 5.0L Petrol/V8 S/C 5.0L Petrol -- Range Rover/L405 >> Auxiliary Climate Control - TDV6 3.0L Diesel / V6 S/C 3.0L Petrol / V8 N/A 5.0L Petrol / V8 S/C 5.0L Petrol >> Fuel Fired Booster Heater (Description And Operation) >> Description And Operation >> Operation >> Fuel Fired Booster Heater (NAS Only)

Fuel Fired Booster Heater (NAS Only)

The Fuel Fired Booster Heater (FFBH) has only the FFBH coolant pump operational. The operation is control from the Automatic Temperature Control Module (ATCM) through the Fuel Fired Booster Heater Control Module (FFBHCM).

The FFBH coolant pump is operated to control the flow of engine coolant through the heater core in the climate control assembly.