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The terrible three yellow lights

Discuss problems you have had or are having with your Z4
05_3.0i_zoom
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Joined: Wed Jul 07, 2021 6:39 pm

The terrible three yellow lights

Post by 05_3.0i_zoom » Thu Sep 16, 2021 8:33 pm

Engine fault is new
Instrument cluster errors have always been there since I bought this car
HiFi system errors came after the lights came on
Central chassis electornics- 74 and 76 are new. Rest of the two have always been there :(
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DanielS
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Location: Amstelveen, the Netherlands

The terrible three yellow lights

Post by DanielS » Thu Sep 16, 2021 11:09 pm

Well I am no expert, but as the system is giving you some ASC, Speed and steering angle errors you might have multiple issues. So tackle them step by step.

First thoughts would be the sensor computer located under the passenger seat. As your Ike isn't responding and also the ASC error. Mine was wet beyond belief.

First disconnect battery for 30 minutes. Then remove passenger seat. Move carpets out of the way and find the sensor. Disconnect the computer, 3 bolts and check all the wires and harness. This unit controlls brakes, steering wheel sensor and speed sensors. Also check for broken wires.
Replacement of eBay or a scrapper isn't expensive and if part number is the same doesn't require a lot of programming, just calibration.

05_3.0i_zoom
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Posts: 107
Joined: Wed Jul 07, 2021 6:39 pm

The terrible three yellow lights

Post by 05_3.0i_zoom » Fri Sep 17, 2021 12:09 am

DanielS wrote: Thu Sep 16, 2021 11:09 pm Well I am no expert, but as the system is giving you some ASC, Speed and steering angle errors you might have multiple issues. So tackle them step by step.

First thoughts would be the sensor computer located under the passenger seat. As your Ike isn't responding and also the ASC error. Mine was wet beyond belief.

First disconnect battery for 30 minutes. Then remove passenger seat. Move carpets out of the way and find the sensor. Disconnect the computer, 3 bolts and check all the wires and harness. This unit controlls brakes, steering wheel sensor and speed sensors. Also check for broken wires.
Replacement of eBay or a scrapper isn't expensive and if part number is the same doesn't require a lot of programming, just calibration.
Just bought the speed yaw abs sensor that you are describing
https://www.ebay.com/itm/203604532928

05_3.0i_zoom
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Posts: 107
Joined: Wed Jul 07, 2021 6:39 pm

The terrible three yellow lights

Post by 05_3.0i_zoom » Tue Sep 21, 2021 5:29 pm

05_3.0i_zoom wrote: Fri Sep 17, 2021 12:09 am
DanielS wrote: Thu Sep 16, 2021 11:09 pm Well I am no expert, but as the system is giving you some ASC, Speed and steering angle errors you might have multiple issues. So tackle them step by step.

First thoughts would be the sensor computer located under the passenger seat. As your Ike isn't responding and also the ASC error. Mine was wet beyond belief.

First disconnect battery for 30 minutes. Then remove passenger seat. Move carpets out of the way and find the sensor. Disconnect the computer, 3 bolts and check all the wires and harness. This unit controlls brakes, steering wheel sensor and speed sensors. Also check for broken wires.
Replacement of eBay or a scrapper isn't expensive and if part number is the same doesn't require a lot of programming, just calibration.
Just bought the speed yaw abs sensor that you are describing
https://www.ebay.com/itm/203604532928
Still a no go :headbang: with a replacement sensor. I asked on other social platforms and some day it may be the driveshaft or the sensor on the driveshaft..

DanielS
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Posts: 102
Joined: Sat Aug 07, 2021 4:38 pm
Location: Amstelveen, the Netherlands

The terrible three yellow lights

Post by DanielS » Tue Sep 21, 2021 5:43 pm

I would suggest to open up your own topic. This is more than just the "terrible three yellow lights".

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