Passat Wagon L4-1781cc 1.8L DOHC Turbo (ATW) (2000)
Condenser Fan: Description and Operation
A/C Coolant Fan Second Stage
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F129 A/C Pressure Switch
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J26 Coolant Fan Control Relay
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F18 Coolant Fan Control Thermoswitch
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J279 First Speed Coolant Fan Control Relay
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J280 Second Speed Coolant Fan Control Relay
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N39 Coolant Fan Control (FC) Series Resistance
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V7 Coolant Fan
When the manual A/C system is turned on, -J26- actuates First Speed (FC) Relay -J279- which actuates the Coolant Fan -V7- via -N39-. -J279- is also
actuated by the coolant fan control thermoswitch -F18- if coolant temperatures reach between 92º and 97ºC. Additionally, -F18- will actuate the
Second Speed Coolant (FC) Relay -J280- if coolant temperatures reach between 99º and 105ºC. Second Speed bypasses the Coolant Fan Series
Resistor -N39- when actuating -V7-. For more specific temperature information on -F18-, consult the repair manual.
A/C Pressure Switch -F129- will actuate the Second Speed Coolant (FC) Relay -J280- when pressure increases in the refrigerant circuit, regardless of
-F18-.