Reductant - fuel line heater test
This function is used to check the control circuit to the heating of the fuel line for the reductant.
Note:
During the function is the heating element automatically activated/deactivated alternately for about 10 seconds at a time.
Test conditions:
Ignition on.
Battery charger connected to vehicle.
Procedure:
Start the function.
Current status and voltage of the control circuit for the heating element is presented.
Desired voltage when the heating is active is between 1-2V.
Measure with a multimeter at the connection to the heating element that the control voltage from the control unit matches the measured value.
The function is done.