AHC WILL NOT WORK

1999 LEXUS LX 470

300,000 MILES • 4.7L • V8 • 4WD • AUTOMATIC

ALEX CASTELANO

MEMBER
1 POST
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My LX470 will not go to high on the height control, it just stays in the middle and I’m trying to change the tire size to a bigger tire but I can’t get it to work or move into high

Mar 1, 2019 at 8:18 PM

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SCGRANTURISMO

CERTIFIED EXPERT
4,897 POSTS

Hello,

This could be a problem with your Height Select Switch. To make sure of this, I have included in the diagrams down below a comprehensive troubleshooting flowchart for your vehicle's height control system. Please go through them and get back to us with what you find out. We have step by step instructions for repairing the system available once we determine the problem.

Thanks,
Alex
2CarPros

Images (Click to enlarge)

Mar 4, 2019 at 8:29 PM