DIY analog air suspension controller
#1
Driver
Thread Starter
![Default](https://www.clublexus.com/forums/images/icons/icon1.gif)
Hi,
I am working now with new project - DIY analog air suspension controller. I have found that height sensors are equiped with potentiometer so I have decided to use that information to manipulate feedback to achieve desired reaction from air suspension controller. This is not final solution but tests proved that will work as I suspect.
I will put switches into armrest
After switch off, air suspension will work as without additional controller.
Solution will not be pnp. I haven`t oem connectors so it is necessary to solder 12v wires to oem harness.
More details soon after drive tests.
![](https://lh3.googleusercontent.com/gLI9vfWgEJZNIl6J-ft8KJVq7UA-Fu4ucGybnbIGjPlqlhmR3nKaOEN__eC4z7Uib4wydTnd-PfbMpWerYESeWmBo3NhObLd5rEWAQ8Mvfkw_X5s1BGrhLxbdiiV2Gr0wa7PvzGP8f0hha2nf2DHGskIXXk3RVqy8FLOdtqjOVvnQMiEgLNDLgJrzVql-2fAtaMvDBdgp7xaianZdOEZY05DXN4Cfif3EHnFKeerVBrs_cdcPcY7mtupIzj0nPmCGSEN91tvM45Tpov1e-2ugXVlbSN0seQ84TPvMjDZIh1rMz1taiEk0epPoc6zQ0N_6kl5-FJ2CtHuOFLYojsWUNwCfLYZlUHiRn3fJ3o3c9j9XNZ4nYIq2VEcEQTlH6C_1JwPYdRVBPqJKyb9qInixJzplClCL57ZaZ-foi_WRjYsVS1vqpZDxbjiApYuPc_ul8mz_gjhK6WoKxjJOw77eEHhGhPO8_SMylhro0N3cY2mEohGHV1Vr0WwCvjt_rpoT7F87xdXg4liUMA1D-HArozhJL2vYUAWXe8LHqYAAN0RfBMP33UJlerpnACjexQ2EarJ52OwUp92MdlvVMq-7YRiEY9mFqA=w800-h600-no)
![](https://lh3.googleusercontent.com/TOf7hnid0Vn5AYD8Fvstxp1gTB1knGj8d5TQijFmcgukBi66rOozp-K66DxZGAZo-m7RQCLAJBk73A10l8KRWbwBG7cuuBTe4dFHc0jrx1DrgMWXRM2u8U5JPtZXtedtuVcrktHuCxNVXS5bXVLqdgOgnGNmbSSvgXA-LuwzyBMdtSlRqjQtCMJ2cYrFlaHsDHUQGq0zOJOh13lyvVJj9Otsa-AD5PAActp70wmZWVheKq6rTeKVkIA8GgoXz3PJxwUJiSAFRtrAX1tCeo2reK0F02jcgJe5Ebqb93XiJYuQ57BAHdSN_9fXcKE5BPBhYmSvdKDHcQGEOvZS3ujItFNJCWJgqc0ID7IOgmH5PDNehwNhPK2IaOba9B8sSPDOnC9Ic_UaZYjcP9xW_UoLIPr3E2Vh-0yiujzxT0T58Wk7JIjHD4I2phzwrky10rqMahOKC9-GuY6JMVA0DUrfro9oVSjzBIzoawAad44PubIP9pmh-3sLIw6Q6DJZpIIZS-18SX-z_iNGkZjwaNrpRSz-6MwwxSC8YvXlJiuRletfAx2-wYHHAP2aieo9sip86c5rgooJ0pFCipLiQMUwiDD1XOHbBbU=w800-h600-no)
I am working now with new project - DIY analog air suspension controller. I have found that height sensors are equiped with potentiometer so I have decided to use that information to manipulate feedback to achieve desired reaction from air suspension controller. This is not final solution but tests proved that will work as I suspect.
I will put switches into armrest
![Wink](https://www.clublexus.com/forums/images/smilies/wink.gif)
Solution will not be pnp. I haven`t oem connectors so it is necessary to solder 12v wires to oem harness.
More details soon after drive tests.
#2
Driver
Thread Starter
![Default](https://www.clublexus.com/forums/images/icons/icon1.gif)
Finally I found some time to finish project.
There is ability to regulate height of all wheels individually. After height pre setup by potentiometer (5kOhm linear) I switch controller by two buttons on armrest. I can turn it off in any time. I could lower the car in couple of seconds by two switches. Lights auto leveling works without any problems as before. Air suspension react in the same way. By four potentiometers I manipulate in feedback from air suspension height sensors.
One switch is for lowering front of the car and the second one for rear.
I made one panel for mirabox switches and air suspension controller casing.
Total cost aprox 5$ and couple of hours to made wirings and casing.
Potentiometers are bolted in the casing:
![](https://lh3.googleusercontent.com/xNpd9HE0WSJm9T-68RiXRkUhee5sDGStbxhc1PZ1_y8Wlw4QC0SFqU92oNx-SWWGX2VbqVxUW5YyXu5s-n8c6-5_oBCeQ9dEDMSrZfLLCdJXC8uJtX0b17HTAXk_z0q7_hIeo7mswb1Wj13Nma1CvY9xosEoXK-Q_lOeR0ILlM7wPBpTqpui05vLQSl2X7zbcTS2MfkdMwkZs5kEBzxPUbXnM-HW1FXZmxF6WlCIyr_9YnLBSJ0M9tgYRNkNsux6u4H8_TMcIbYqkcDgERgIXLlc4ZNL0j0EbCZeabfv-TSKnekeLW8Qti3XMGjq4kpDzfzKU6IbyY9CYzubGm_cZ28Jr7j33t_-vKlRWlgwLpWDqNNSKHpIv-Q3u9U4AEHns79diQHtSKojo1OzcIo1SHSTFSUowBmcDBfhGfwHrZSu49-DeqLIINmNb6K1zISuu2Sga2D82v7czWR3HOF_VY2HGOFRsK1L-4SjAom2Owp41r6dCOrMSkDni3kRD-YQwSrQzajzADCmL7YoYxYhT_PjXpNkIberUJ2N0gKCf4jKDYdkZw5cKdk4RDyP13pTQgtZFdzSlLCfHhubQt3-1dkCALa2G2s=w800-h600-no)
There is an access to regulate potentiometers:
![](https://lh3.googleusercontent.com/Yv2iQGiW_vvWKE4OUXIxjs_E95UApQtDA0XL63KA05q2ujKoxaEqF9fBLCzd4epa5gttHnT41UV5zPZfK6WjL-IIgDha80OYXSrr2JaIn-heq69sZBtRCLYgJTTjrsvzaPuZjbokG8JY4GvxVIYM-rzfw1Gej8Ukpsf92DeYQN-5pqGs8oO4Hjl87l8i6mCKjMhFeyWSip-p3qdz7-Md6BoCmNN1LkjHjTxzQAaoYyrhsccOBTogQMeRsa73Rxq717KeN0Wochr3_LtJGQDIl4OvGK145vqFo9deTg_XZ9Jz81U918gsA_-lsbX7v2-w5D0Tdmk7Hzo08S9og844psjhmN8A8PpgmI5d0UoJXZy_pqJH672fJLfc681xkf9MJWQweJCOK3fzvLZEsofYQH_57VfLVlaowQp56lzq-cWXTn9iLdjnTly550glugJPO7qSLd1yYTEVCqfQQKpuGNlTdOIAgrfVC0Y7PfVwWX2PgHWMTm__WK8tR4eMOqHSaRkaVAmfoyfAuLejnPr0CKjng8jT_LJby3FI_vDXBo836UIDPYANgViYN0tG_w9Naeb7GTbpd3rSnZnYbt7fAccDtxwIdqc=w800-h600-no)
Buttons mounting:
![](https://lh3.googleusercontent.com/h0XLrhUwxzFrC56Elaa6cnZyEenXzWwrO0baWs10eEtZ9v8w3Bk095CYRaS1KmpZJ3HhbH0dxWgPskPb6r_exeFLnvrdEN5-OxUGOSkXrJItDmUq6xZc9j97tZooOi5gPOoHI7eugKog9oOyeqTAUaysw6KUCsAsG2CrrCl8y1f0lH9unnbSuNtwfEUFp5sgwQjl7yc5LQhCu4Fybgq0UGxteoC5JwFnkHnjrCtT4Uw9rsDDfGy8skDreXKB5DGz9pWPVmaEdFAjFuX1GML2WjNrqhNKqSOWMGL-kOz4oU_g8tdwCGMnMrL-WBED1EZV4qKsC2V1ldUOd8PJWIRoTjlbR0Y1hVweRzHkkH-mrbAzgmFW9RTsE_FTaR6mFxYEgPpZzJxjwWGN8wyakbA6JGvNn3yVCtsLfjanK8-7MDSBsj3SW6RAc8SqxyQ9J63UGqnoQU7KuB1JeEtmWBSMbRmPLQ204sZd8438r9LoqN_392jTwO5EFvOveIdfuQEy5evgL5gcPq4B5-dnscKImm_AaW3FrWmuesx8-010GDLFo5r9Y096CXc2UpqU96xrRFbJtKQKGSubAgmsOwBDcvNcHcPNJPo=w800-h600-no)
Casing in alcantara:
![](https://lh3.googleusercontent.com/O9LSveEzV98HT9OLvN-d19w5GjTdCfuCm3klilxRGX2i_lgK5dCNIXnsZ3fzFIPFWFPZZEI5OeAofPUxOQnYREo8eusdHQHBYAWvShYQtxtpA9YKXhQR4vRkvBoH6TkW9fU4EaEkWLwN7U2J2tFgU9Dof65Tbyv9BmCXsqGLa_jTi-SqmmDbBGNRyp-wynQ6tYUSQQqgxISOHne139DTlBSpj4rSoBGgMn__5xZRozjFfNW3CVOn7zeQsl6TuoPmW4VqAso_xXYCU_FVV6-WoGBbuOLvCbpjN0pgVNBQ9JU-3yWBc8GWlM2QO_QSBD94sCOoawkmgZ7bsnrqrIXWdxzbKbDBCJmVzET7JGCplLRAe9JMaeHVzl3sXcUWYexggupSWY5B5hFwJgkxKKW_v0rlaFplXQpn4vMkVbfj82u9mSy-1UK4uf7CqMCGkXskZP4H3iAGPGLxREEW_qV28VOrpOwYI7g6pZodk2wRaGZZ8iXEULKlfyeinhndi3CbjVCxruLw6_3ehftGADQWcvRX7CXF_sWpfQzAruo1_UiJ-6JidDF7iUpC4SMztGaeEOAWjKTQvqmv5LlWCkfKUCAYhAG8okA=w800-h600-no)
![](https://lh3.googleusercontent.com/qICkRNH_uCwyoxjEeeDOg__Lkd3MT_GkyWGRNIxhMZMvHNZ6cfT8uDfpl5L0paAeT-O3xsBL5EQsIxF4rFbCzuzQ9emqmy1i8Jr_bBEvsG9XFAoI2v_cC_UY1y9vLPneP0J9HtfVNaFS1yoHoGKb8JJB47Ye4DhOJMZWRHHBbgdHy7wkHD7H0TPGibcypKKxPDZwmk4einaCuUjckc7rCCc8lheuW68_9WTcZ-fqhDak5ETZPmosAwicHWvralGrs6EpFRbMziSryo9jGE-D08yHe-iHlRv_N7Z2zLuiSDQzgDjsuHCmD7Vhzdv0ZIh3gML7mK-c6RpRxxUVz8E83Yka6ux5_82cHt7Rb11Zg4OMy0pntixhAeAOWb-hpe7strl4FwJH6MZdGtXMP9Zr_sPt9O13D1dPCAtn_snWaqfK5S0A-LxmiwhcB9ndk4fMz_OUjlAe33GN47eBMe9HqiPb7HUoinbny1_J4G53-5ydlHhNpRFr_x1og64Bw9N7lPQEn8XIKTxIweVgI5SnaNk3rLE5xTBOOr0ewuywSIARU547E9ttrVtymcxJWNHLL82XhgrfY99lVHsdeMQ4DZekQ2GS0Mc=w800-h600-no)
Controller in armrest:
![](https://lh3.googleusercontent.com/PvgadsTSiaaTapCkRF5Y1QiM7oIRhQsfBj5hFddrPL1d27QWpK45uch1QWpCjjzYwr41vXBFKM1speKum00gU7KTr-n27SmjAqOjyjDHGl2eidBN0w4LsflHtEn2ZM-xofVZwoB6B1jKrqRnAXtstJPsn5uYn3q60i9kI9xf14C1RerUzzmBVMaSxOKwTwSoDSa0CJpk39-LIbJLQL9gdJKjnv5HquB8E7H75kl0mr32dEBMmD23ru4IJYnDbtIqEMcCiKOGvIunLbqv2TCF3IJCZyVFcd_MIYXayUVJg2SHqVn1cA9hpzdWK2zMm5zS5ChlZ-gfFlu_RoRVuUnLe-VnaweERItSsc5MjxGY9UhamanoXcCGyRxpwiuJT2n13fppJEqub_V98VLAq8hx1EA4vuYKGfkflqhj7c9S-GRDETuwiOPFcWZfBr_qih_7HfnyOC5Tl7TLg4rSB-gNJfIhg6SGWt5UCrWFDb6UHFbi30OJtw6aYQ1x2he1Q0YPuWVRYQByLaKm0lnO1k8KmZyj1DEJQEFpKI36BIaMqeD_afUuQxlM6xN6WG-hK7GMG0bzOgAKvvu3Cntwoi5UXbqEV0QQPbs=w800-h600-no)
![](https://lh3.googleusercontent.com/ZWBxv-_e_F9YipbrtrBOMx_5JArFtFFAir_kydINv62LeszdIopfDHW-Jljz3LEPmO9HUG_JxeAUVw6w7L8RA2oRFhinSghNQflwdiPDAIqXwAcRDdF9jt3Fs8xCIL9N8GRlWdU8itnPZuk-8IzJ_6IsHNHYQlYBqx23Be6VOIYx1QhpWWpwx8CzxJM00jROqp9jIxolnYejWTbAGFE5HCAm5kTPEj3tIcr8ufWXzyVpRb_D_twKHFMNs0P-3jQjPLk7LTLJK_1kdkDebF6wM40butD4cjSlv1kSN73VpcKg7PMTKWDCfUpgJb7iQc7jFrRKcmn03vmMM8MDmh7HozNjdmgLn1fPT2PWBoJn_qEF_c_fcdcTsSCf-0FxoSa7ME4PUC1GYxNUIQ6dJcNkq110Q_ZeEU9v2sv4NG2j0_UV2nJUtW3EB1S7u2XWXbnNqqvWFpMdEy12mtiWo9WM5IeEri2q2ml3ocqgEbLrRQWziDe8421Zp75AQquv6ffoD8bxM-PTch9tIVaK_nnG1RfNHyY12IL3Z888GFkd0Xs6EolRnXh8quboeiwRk_FtJzG-MomhWjdwY7I8qQTW4tsmQ4KBPuU=w800-h600-no)
Photos:
Normal mode:
![](https://lh3.googleusercontent.com/acjJ41I-EmOH36ms7Zj5Y86rTTcWC_DhMlHdEH5OpjxSgfsYdLsSJP5eti2g8gbU4mFYjWf7CiUhD4Gav549j5LydxkOa4FEYWsFCW4gs4bjs4swdG-WTZusiVH3TXJGaeAEBlVOx1se-DoTFl_tatzwRhQj44perVEYCkMSCCHVoT7eLjTW9HvAV-NkZx96IWD6VffYqjaCg1v7z7HvS8PZ3xnAlrNA7BYoeyfrO3Kvluwm9k1Oqiu_jfNeDPxeTiQqwn7pJ8Vst7odiYiyFFvc6AVMIm1_pJmZzFoVC2hZkrNyu3d2ShXwytuRwTuFv_1N6ejeK0qM2KKeXk7qBIJib4G3tCwhWcz9V2Q094jlc5Nd05zHmmGXzLHj9iFiNhbq2-YYOm3cmaE_n9Awf-2oMeQyMApAag8THHZ37gItLVSnETuZtEUL5UYugr4w4R1lKv-VJBbFMlTG3cVJnkw-9e9q02QWCCGRmhFJUYuD1QX_aM7mygMBzFM4f3sVTKSLzTBaIhlgrgB2CHScgVaTBKKkld-5qcPBMR9Woziz33ku1_prqs6IgvMaKM-hSUvKQHwL2j_ZpSgK21EojxX-DtX_ugM=w800-h600-no)
Low mode:
![](https://lh3.googleusercontent.com/ksfMEc2DId4YMh_uFcHMvEmQKv8IjtEw4_REkhFy9JPjjNnFj2ZM2dw9PZAYS7v6xpssGnUfmozYmxjV9LinyS9IOqXd4pXNmSS27JbS4ddNYAhfDx6qHe_MZMLHgfuVLHH7MgQ_uqWpSNSBUdIi70WVNgJaWT333p2Mg3ZTDo9PTXPmuvMy9XxGE3EryrZW7kEJfdz6_3KAOQ9FtKHCEhXzH06O9dnX7YaAm7b3tFfLGElskIvmUExbVW7E3vkNWJbKRVQVNsbhVozAm_3XRd7wKmrOJ0-2vj41fCINrabRbuoCflhxIlDkY2u_QpGXHTs9SNvJzvMxtTJEYEmg9xMmiY-NONBjnXV-ryMYB44zo2RxbWRRUeAY4vVgWgmUWiLBV9D75Q_56bQLh1UZ27FRvR04bl6RjkYxG5unghvb3OV6Q8PCKHAnJ3VTLiUZPks1-NdbWZTxtBizZ-p9AiArNvo9FtZNrYlgOkUbEFWdDWaF2ykkkmud-qrLbn07oadhhsjaeJSG9fvG5g7cf8uDuZYKL5Aycvq5VTTkRc_W-bNpLXLhoIhVsChIXIdAfamZ4PNCthZR6CS4L8k_PBrHVPgGSRM=w800-h600-no)
And movie. Suspension need some time to change position. Rear at first, the front.
Sorry for my english - I am still learning.
There is ability to regulate height of all wheels individually. After height pre setup by potentiometer (5kOhm linear) I switch controller by two buttons on armrest. I can turn it off in any time. I could lower the car in couple of seconds by two switches. Lights auto leveling works without any problems as before. Air suspension react in the same way. By four potentiometers I manipulate in feedback from air suspension height sensors.
One switch is for lowering front of the car and the second one for rear.
I made one panel for mirabox switches and air suspension controller casing.
Total cost aprox 5$ and couple of hours to made wirings and casing.
Potentiometers are bolted in the casing:
There is an access to regulate potentiometers:
Buttons mounting:
Casing in alcantara:
Controller in armrest:
Photos:
Normal mode:
Low mode:
And movie. Suspension need some time to change position. Rear at first, the front.
Sorry for my english - I am still learning.
Last edited by Owczar; 06-12-16 at 11:46 PM.
#4
Driver
Thread Starter
![Default](https://www.clublexus.com/forums/images/icons/icon1.gif)
Converter was calibrated to 66cm (26") (from ground to fender). Car looks like on the photo:
![](https://lh3.googleusercontent.com/C_0-gxu3d3bROeijjpPM6--offunrqut9cwTRr7bNQ3kVGTR26KrI6zg-ZWsg0cDOSMJapRWeuCOMNmxalhncYKdanNDAYt8c1ZOIsXYOh9zUJe1z9Qi8_weiGlI03sbqpbXeLtIej2h3fi8Y6gA4xWVa5JKKlHd2f9BGVnzlwZJU-u_4-zytvG7iRj7Wf565Fdl4g8oFjcQTJgFVt_dmPRfDgdaoXYddGNINA_NpGoCj5wX95-lc8aj66vuNwodUNRiZApujtT3oUBzMgUi15ci4FcNIg0u1kLNPHnOIuvPF7UT88TAkjXt0GRmld3wcGRBi9HsF9w2T64NQj4Jn691ophvfmb_lc4gW-GLhh10ls_FsjJHkdRGrjFhSjF-RXIIq8qa-gQIDjRUjQUf1hNn_tJ62JQleGxjD7x0zpMtdvAqA1qrGKTJgejB57cYbQ_BhQFIFezcSrbYeZAirwwh3-7YmSYumk-3qaG_GkRN-2MvCuh-PmQ5m8siI269oZ4j1nCnUStWsF-55H1wxfLyOg7ULyUUwDsL-E-rmrSxl_R6f28moBUVsjO3KKarNsXxn5r3R3s6Akl0Vr7lCpMq7ohbnzI=w800-h600-no)
If anyone would like do the same controller I added wiring schemat as attachments.
If anyone would like do the same controller I added wiring schemat as attachments.
The following users liked this post:
rhysuuu (12-17-17)
#5
Driver School Candidate
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#8
Driver School Candidate
![Default](https://www.clublexus.com/forums/images/icons/icon1.gif)
I want to connect a third-party controller is pneumatic, and connect it to the factory ride height sensors to the stump of the required wiring diagram on the air suspension from the Lexus 2006
#13
Driver School Candidate
![Default](https://www.clublexus.com/forums/images/icons/icon1.gif)
Try doing both front sensors and it should work. This is just used to fool the car's air suspension ECU to give it a different height sensor reading.
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07-01-17 09:08 AM