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AC blows hot air only when engine starts

Discussion in 'Prius c Care, Maintenance and Troubleshooting' started by fsab888, Jan 26, 2019.

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  1. Sonic_TH

    Sonic_TH Active Member

    Joined:
    Mar 18, 2020
    544
    86
    7
    Location:
    Puerto Rico
    Vehicle:
    2012 Prius c
    Model:
    One
    You disconnect the negative terminal of the 12v battery that is in the rear seats, leave it like that for a few minutes and the problem will solve, that's what i do with mine.
     
    #21 Sonic_TH, Jul 24, 2021
  2. Sonic_TH

    Sonic_TH Active Member

    Joined:
    Mar 18, 2020
    544
    86
    7
    Location:
    Puerto Rico
    Vehicle:
    2012 Prius c
    Model:
    One
    Still having the same issue to this day. Used heat, then moved the knob back to cold, but only hot air came out, so i had to disconnect the 12v battery.
     
    #22 Sonic_TH, Jun 1, 2024
    Leadfoot J. McCoalroller likes this.
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