Specifications

ADVR.010.00.00.000 RE. Sheet 22 of 26
10.3 An untimely switch to a winter type of fuel may cause a paraffin blockage
in the fuel inlet tube filter (if applicable) located in the fuel tank and in the fuel supply
pump filter, which may prevent the heater from starting or cause it to stall in mid-
operation.
To fix breakdowns, proceed to the following steps:
a) change the fuel in the fuel tank as according to the ambient temperature,
b) If the heater does not operate properly once the fuel was changed according to
the temperature , check the fuel supply pump filter as follows:
- remove the fuel supply pump from the vehicle; using a wrench (F/A 17), fix
the pump in place, unscrew the pipe stub and remove the filter (see Figure 10.1). Do
not fix the pump in place using surfaces other than Surface A when removing and
installing the pipe stub,
- rinse the filter in gasoline and blast it with compressed air,
- install the filter into the fuel supply pump; use sealant when installing the pipe
stub,
- install the fuel supply pump and check if the heater works.
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Ball
Filter
Outlet Inlet
Spring
Pipe
Stub
Figure10.1
10.4 Check the battery charge level on a regular basis.
10.5 While operation Control unit program failure is possible. For example, the
heater is not activated or deactivated, does not come to sufficient heating power.
To fix the failure it is necessary to disconnect the blocks on the power supply harness
XP13 and XS13(fig.4.1) for 1-2 min.
10.6 While long storage of the vehicle it is recommended
to switch off the heater
from the vehicle battery to avoid its discharging (current consumption in non
operation mode 30-40 mA)