FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Description of Activations






Description of activations

Activating components
This function allows a number of components to be activated so that their functions can be checked. The following components can be activated:

Combustion fan
Activating combustion fan.
There is a "buzzing sound" from the combustion fan when it is activated.

Fuel pump
Activating Fuel pump.
A ticking sound can be heard from the fuel pump when it is activated.

Warning! Filling the fuel line should only be used when replacing the fuel line. If fuel is filled for an excessive amount of time, smoke may be generated or the heater may be damaged. However, it is necessary to fill the fuel line after it has been replaced. The combustion preheater module (CPM) only allows 10 start attempts for the heater. After replacing the fuel line, fill a diesel engine for a maximum of 8 minutes. After replacing the fuel line, fill a gasoline engine for a maximum of 8-10 minutes.

Water pump
Activating water pump.
A buzzing sound can be heard from the water pump when it is activated.

Heater sequence
Activation of heater sequence.
On activation of the heater sequence, the heater starts up and operates for approximately 2 minutes 30 seconds. Activation cannot be canceled manually, the heater is switched off automatically after approximately 2 minutes and 30 seconds.