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Author Topic: 1.3, ABS + Yellow Triangle Light permanently on  (Read 33058 times)

cecil

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Re: 1.3, ABS + Yellow Triangle Light permanently on
« Reply #15 on: February 09, 2018, 08:59:03 AM »
Must have sagged considerably!
Has the tyre been damaged ?
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Brabus 454, 1.1 pulse, 1.3 passion

Problemchild

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Re: 1.3, ABS + Yellow Triangle Light permanently on
« Reply #16 on: February 09, 2018, 04:05:03 PM »
what pressure were they at?

JJ
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Deszus

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Re: 1.3, ABS + Yellow Triangle Light permanently on
« Reply #17 on: February 11, 2018, 11:35:44 AM »
I had issue with just yellow triangle light on. After short investigation - stuck EGR.
When it comes on rarely you can get away with very good PEA cleaner in fuel and steam cleaning cylinders by air inlet, what I've done and problem is gone. But sometimes ti will require taking EGR off (which is behind engine, when you look on the front of car) and cleaning with naphtha.
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CrazyG

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Re: 1.3, ABS + Yellow Triangle Light permanently on
« Reply #18 on: February 11, 2018, 05:08:01 PM »
I think you are getting confused Deszus....
The yellow triangle only comes on where there is a problem
with the ABS (brakes or traction).
Any EGR or engine management issue triggers the EML light
which is a totally different light to the ABS one.
« Last Edit: February 11, 2018, 05:08:45 PM by CrazyG »
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smartie454

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Re: 1.3, ABS + Yellow Triangle Light permanently on
« Reply #19 on: February 02, 2024, 05:19:57 PM »
A bit late to ask  ;D, but did you find a solution? Mine just appeared after driving on a bumpy patch of road. I had to drive 200 km with both lights on until I got home ( car was like usual). Then, today I checked under the car and cleaned everything with a water pressure gun. Before that, the car was parked for three weeks, and due to winter, there was plenty of salt.

From below, everything seemed right; however, the OBD-II showed an error code C1200, indicating a short circuit in the EPS/ABS - front right. I will check the fuses tomorrow just in case.

My Forfour 454 is amazing, with more than 200 000km, and despite its age, I want to keep it until the last day. :-*
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CrazyG

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Re: 1.3, ABS + Yellow Triangle Light permanently on
« Reply #20 on: February 04, 2024, 03:32:12 AM »
Quote from: smartie454 on February 02, 2024, 05:19:57 PM
A bit late to ask  ;D, but did you find a solution? .....


Did who find a solution ?  If by that you mean the person who started
the original thread ('gimba'), then he did post the solution to his
issue of both lights coming on at the bottom of the 1st page.....
« Last Edit: February 04, 2024, 09:37:31 PM by CrazyG »
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454 - Brabus (mapped, Willwood brakes, coilovers etc)
454 - Passion CDi 95hp (manual, Brab body kit, coilovers etc)
454 - Passion 1.3 (manual, Brab body kit, lowered etc) [SORN'd]
451 - Pulse Turbo [my daily drive] (mapped, coilovers etc)
450 - 'Widestar' bodied Passion 700cc [SORN'd]

mr singh

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Re: 1.3, ABS + Yellow Triangle Light permanently on
« Reply #21 on: February 04, 2024, 05:00:59 PM »
Quote from: smartie454 on February 02, 2024, 05:19:57 PM
From below, everything seemed right; however, the OBD-II showed an error code C1200, indicating a short circuit in the EPS/ABS - front right. I will check the fuses tomorrow just in case.

replace the RF ABS sensor.
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smartie454

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Re: 1.3, ABS + Yellow Triangle Light permanently on
« Reply #22 on: February 05, 2024, 10:15:39 AM »
Thank you for your responses!! This weekend, I erased error codes and did a deep cleaning behind the wheels with warm water. Surprisingly, both lights (ABS and yellow triangle) didn't turn on. I then drove more than 200 km with the car and still no sign of those ;D Salt is a bad conductor and also a corrosive agent; I believe it might have affected ABS sensor measurements. ::)

By the way, my  RF ABS sensors are almost new, 7 months ago I changed all bearing wheels and ABS sensors.

Regarding the C1200 error code I had, it seems that is related to "Wheel speed sensor (FR) system (open or short to earth or power supply)"


(List of errors from page 8 )
http://mmc-manuals.ru/manuals/colt/maintenance/Colt_2004_Workshop_Manual/35C_Traction_Control,_Active_Stability_Control_System.pdf
« Last Edit: February 05, 2024, 10:23:41 AM by smartie454 »
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