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A/C Light Blinking Troubleshooting Guide

Discussion in '2nd Gen. Tacomas (2005-2015)' started by JCH, Jul 7, 2016.

Page 13 of 13
  1. Jun 22, 2025 at 8:26 PM
    #241
    Stevieboy19

    #241
    Stevieboy19 New Member

    Joined:
    Nov 4, 2021
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    #381287
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    Another success story! I did test my old sensor but it was reading high at 5v.
    (Unlike OP who was reading low).
    When I passed the magnet negative side the value would drop but when the positive side passed by no significant change.
    Thanks OP for a great write up.
    Does anyone know why the new sensor has the epoxy on the back.
    (The new one has multiple colors)

    IMG_3202.jpg
     
    Stevieboy19, Jun 22, 2025
    #241
  2. Jul 9, 2025 at 2:27 PM
    #242
    Wallsjm1

    #242
    Wallsjm1 Well-Known Member

    Joined:
    Apr 15, 2013
    Member:
    #102110
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    180
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    Male
    First Name:
    Justin
    Tennessee
    Vehicle:
    2007 Speedway Blue 4x4 TRD-Off Road
    XD Rockstars 18's, Nitto Terra Grapplers, Billies all the way around, set to 3 inches, AAL, Chrome push bar, Westin step bars
    Is there any common leak points on these? I have a 13 model 4.0 that I just got that the air is blowing, the light is staying on and not blinking, the compressor is coming on and so is the clutch, but I’m just getting warm air.

    what would you guys do next? Check pressures?
     
    Wallsjm1, Jul 9, 2025
    #242
  3. Jul 9, 2025 at 7:19 PM
    #243
    Dm93

    #243
    Dm93 Test Don't Guess

    Joined:
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    Texas
    Vehicle:
    2014 DC OR 6spd 4x4
    Predator tube steps, Ranch Hand grill guard, Magnaflow CatBack exhaust, Toyota tool box & bed mat, 2LO Module by @Up2NoGood, Rearview Compass/Temp Mirror, Tune by @JustDSM.
    If you have a UV light look for dye on the lines, hoses, compressor, condenser, evaporator drain, etc.
    Other than that yea need to check pressures and see.
     
    Dm93, Jul 9, 2025
    #243
  4. Jul 12, 2025 at 5:59 PM
    #244
    stoltz23

    #244
    stoltz23 Active Member

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    Phil
    So my flashing AC saga is hopefully over. Dealership had the truck 3 different times for the same issue. It eventually ended up being a loose pin in the wiring at the compressor. Not sure if this was the original issue or if it was created somewhere along the way.
     
    stoltz23, Jul 12, 2025 at 5:59 PM
    #244
Page 13 of 13

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