Prelude L4-2157cc 2.2L DOHC (VTEC) MFI (2001)
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Condenser Fan: Description and Operation
Voltage is provided at all times to the radiator fan relay contacts through fuse 47 and to the condenser fan relay through fuse 45. With the ignition switch
in ON(II), voltage is provided to the coils of the relays through fuse 11.
The relays are grounded through the radiator fan switch, by the Engine Control Module (ECM), or when you push the A/C switch ON and put the
heater fan switch to 1, 2, 3, or 4.
The radiator fan switch grounds the relays when the engine coolant temperature exceeds 95° C (203°F). The switch reopens when the coolant
temperature decreases 2-7° C (4-13° F).
Refer to cooling for specific tests or troubleshooting procedures.