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Lexus SC300

Report: Heating and AC Control May Fail Intermintently

Lexus SC300 Problem
19 Reports

Model Years Affected: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000

Average Mileage: 144,734 mi (94,000 mi - 224,000 mi)

Verified

There are reports of intermittent failures with the heating and air conditioning control. The digital display might fail or the control might fail to switch between heater functions.

  • Report #1
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     Rookie

    After owning the car for a week the problem started. The heater display goes blank, all functions with the heater/AC will stop. It will then come on again and work perfectly. This seemingly happens at random. Now the same thing is starting to happen with the stereo system.

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  • Report #2
    72 demon, 1997 Lexus SC300, 150,607 mi
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     Rookie

    heater display dead no heat or ac

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  • Report #3
    Visitor, 1992 Lexus SC300, 114,000 mi

    Same issue

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  • Report #4
    Visitor, 1992 Lexus SC300, 114,000 mi

    The air blows no heat or cold air come just outside air all the controls on the pannel work just not hot or cold?? help

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  • Report #5
    dgoffner, 1994 Lexus SC300, 170,000 mi
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     Rookie

    Same issue, my display is blank for both heat and a/c and nothing is responding. I replaced the display and it is still the same problem. I finally decided to go to the local Lexus dealership and ask. I didn't much help but he recommended looking at the fan relay. I will update progress.

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  • Report #6
    Visitor, 1995 Lexus SC300
  • Report #7
    Visitor, 1992 Lexus SC300, 132,000 mi

    Heater AC Control LCD display faded out. Replaced Control at junk yard w/SC400 control.

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  • Report #8
    Visitor, 1993 Lexus SC300, 224,000 mi

    can barely see th ac display. bottom half is dark.

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  • Report #9
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     Rookie

    Had to turn on heater for a few days. Now, the ac won't get cold. Freon and everything is working perfect. Just heat comes out of the ac instead of cold air.

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  • Report #10
    tcat62, 1993 Lexus SC300, 143,000 mi
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     Rookie

    can't see how to turn the temp up or down

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