Test of resistor heating
This function is used to activate the AdBlue hose, resistor heating.
Test conditions:
Parking brake applied.
Engine off.
Ignition on.
Gear selector in neutral.
Battery voltage above 20V.
Procedure:
Start the function.
Activate the hose heater.
Wait and then check that the AdBlue hoses are warm.
The function is done.
If the function fails, check the test conditions and repair any faults.