Climate Control LCD Illumination Test

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May 15, 2012 | 10:50 AM

WadeLovell

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From: CA

Climate Control LCD Illumination Test

What is the best way to bench test the LCD in a used climate control module? (I.e. NOT removing the existing unit and plugging into the harness in the car.) 1993 SC300.

Thanks,
Wade

May 21, 2012 | 10:03 AM

WadeLovell

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From: CA

I never found a bench test and concluded the best way is to plug it into the car.

May 21, 2012 | 12:13 PM

GamblerZ

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From: TX

Since the climate control interacts with the car's ECU and an assortment of sensors, I don't know how else you could do it.

May 21, 2012 | 01:29 PM

TaninAuto

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From: WI

The lcd can be visually inspected. If its dark at all then its bad. All other functions usually either work or dont as long as the unit powers on.

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