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    Peugeot 406 RHY 2003 - Cooling fan not operating - Fixed # Archived Message

    Posted by David Clayson on June 2, 2010, 9:50 pm

    Hi all
    Hope you can help

    Using Planet

    Faults stored in engine
    Fan high speed circuit Open or short
    Fric (cooling function integral with ECU)consistacy between fan speed and the setting.

    Fan has 4 wires (single fan)
    2 Main wires permanent battery volt and earth
    2 thinner wires fan to ECM.
    Can anyone tell me how to test or what i should see on these please, have batt voltage on one and zero on other

    I can get scan tool to show fans active and can activate fan but fan not operating and no change in voltage on these wires
    Also has auto temp AC (fault code for outside temp present)

    Many thanks
    David

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