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Parking heater fuel pump (323a), diesel

Parking heater fuel pump (323a), diesel

Location

Motor, fuel pump, parking heater (323a)

Main task

Provide fuel to the auxiliary heater when the criterion "auxiliary heater on" is fulfilled.

Type

PWM-controlled piston pump which works at varying piston stroke based on fuel need. Upon start of the heater, 2 Hz. At output need 2400 W, 3 Hz and at output need 5000 W, 5.9 Hz.

Connection

Pin No. Signal type Description
1 PWM pulse
2 Ground G34S