My Clio 1.2 16v 2001 has the radiator fan permanently on. I'm unplugging the connector to avoid flat battery. Haynes manual says the ECU controls it but I had a diagnostic check and no fault code is showing.
Radiator fan always on
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15-04-08 19:46I don't have a circuit diagram to hand-but there may be relay in the circuit. It could be caused by a wiring fault/relay if applicable or the ECU. You would need a wiring diagram to aid you in checking the relevant circuits. Does the fan run all the time even when the engine is running?-could even be the sender unit itself......... -
15-04-08 20:13Yes all the time. Last week on one day by switching the A/c on and off I managed to get it to work for two days then it reverted to all the time.
I'm going to check the temperature sensor tomorrow but my gut feel is that the ECU needs re-setting. However I have a circut diagram and there is a low speed relay so I'll make some checks on that as well
