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Halogen to MID LED
#1
hello, i have XC90 2016 from USA, i live in EU. Originally there were installed halogen lights with no auto adjustment. I received MID LED US lamps (31446535 31446534) i changed wiring according to diagram from xc90 LED lights. I programmed the following options: 106 headlight type - 07 LED without bending light, type A, Mid Range.  107 exterior light logic - 04 dedicated Day Running Light in pos Auto. 108 DRL-type - dedicated daytime running light (DDRL) on during day light. 109 - active high beam - 02 with AHB1 on/off low beam in village. After programming LED lights working, positioning lights works, low beam works, high beam works as well, on position auto, DRL works, but when there is dark outside its not automatically turning low beam lights. I have following errors like in picture. Ignore errors about rear end of the car there are both lights missing, will install them later. U1323 and U1322 errors i think is because there are no lamps level sensors in front and back of the car (originally with halogen lights these sensors was not installed by factory) Any idea why my Auto DRL function not working and why i have the rest of errors. As well what is the difference  07 -type A and 08- Type B options? Thanks for your help


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#2
As far as I know, in SPA cars the auto light option is depended on SUN SENSOR. 
352 SUN SENSOR. 
You can also check this 
118 AUTOLIGHT FUNCTION
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#3
(01-26-2024, 05:11 PM)IMAY2023 Wrote: As far as I know, in SPA cars the auto light option is depended on SUN SENSOR. 
352 SUN SENSOR. 
You can also check this 
118 AUTOLIGHT FUNCTION

118-short day EU
352-LIN sun sensor

both options are left by default, tried to change to other options still the same problem persists, no auto DRL to low beam.
Can anybody post the MID LED wiring diagram, need to check with the diagram i have
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#4
Problem solved. Needs to connect and route two new wires for LIN comms, so total would be not 9 wires like in wiring connection diagram, but 10 wires in one headlamp unit. Additional wire is the pin No 4 from head lamp to the CEM (left lamp to CEM pin EN5 and right lamp to CEM pin EN6) all errors gone, as well no need high sensors to be installed.
106 i programmed 08 (type B)
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#5
(02-02-2024, 07:03 AM)gringo007 Wrote: Problem solved. Needs to connect and route two new wires for LIN comms, so total would be not 9 wires like in wiring connection diagram, but 10 wires in one headlamp unit. Additional wire is the pin No 4 from head lamp to the CEM (left lamp to CEM pin EN5 and right lamp to CEM pin EN6) all errors gone, as well no need high sensors to be installed.
106 i programmed 08 (type B)

Perfect, thanks for letting us know.
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