Operation CHARM: Car repair manuals for everyone.
Home >> Nissan-Datsun >> 2012 >> Leaf ELE-Electric Engine >> Repair and Diagnosis >> Heating and Air Conditioning >> Description and Operation >> Heating System >> System Description
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System Description




SYSTEM

HEATING SYSTEM : System Description


HEATING CYCLE

Heater Fluid Flow
- The flow of heater fluid passes through the heater pump, PTC element heater, and heater core and then returns to the heater pump.
- The amount of heat generated by the PTC element heater is controlled by the A/C auto amp.

HEATING SYSTEM PROTECTION

- If the below conditions occur in the heating system, operation of the PTC heater is stopped in order to protect the system.
- Heater fluid temperature sensor malfunction
- Communications malfunction between A/C auto amp. and PTC element heater
- Communications malfunction between A/C auto amp. and heater pump
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