SEAT Workshop Service and Repair Manuals > Leon Mk2 > Heating, ventilation, air conditioning system | Supplementary heating | Aux. heater/heater booster | Auxiliary heater -B5W- S / -D5W- S, vehicles 06.2000??

Checking flame monitorG64

Checking flame monitor -G64-

Before beginning repair work, perform the following jobs:

–	Remove heater unit → Chapter.

–	Remove heater control unit -J162- → Chapter.

–	Pull connector housing off control unit.

–	Measure resistance between chamber 2 and chamber 1 at brown and blue cable.

R = resistance in Ω

t = temperature in °C

–	Please measure resistance at prevailing temperature.

Evaluation:

t	Defective > 3040 Ω = open circuit

t	Defective < 780 Ω = short circuit

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