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Fuel pump, parking heater (323a)

Fuel pump, parking heater (323a)

Location

Fuel pump motor, parking heater (323a)

Main task

Supplies fuel to auxiliary heater when criterion for "auxiliary heater on" is fulfilled.

Type

PWM-regulated piston pump that works with various piston strokes depending on fuel need. Upon heater start - 2 Hz. At power need 2400 W, 3 Hz and at power need 5000 W, 5.9 Hz.

Connection

Pin no. Signal type Description
1

PWM pulse

PWM feed from parking heater.

2

Ground

Connected to G5.