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The mkiv Supra Owners Club

ABS Light on - MoT not happening!


ellis

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Massive thank you to RobUK and Keron for sorting a relay in their own personal time, thanks to Chris Wilson for giving his time on the phone and to Scottie Dog for the PDF! Legends one and all and just what makes this forum/club so darned good.

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No, it's not!

The ABS Solenoid Relay is not earthing back through the ABS ECU, according to the engineer.

'Could' be that the ABS ECU is at fault (part no. 89541-14060) - have contacted Keron to see if he has one.

If anybody else has one lurking, please let me know.

There's on one ebay but the part number is different to mine (89541-14040) so my assumption is that this will not be good to use!

 

Anybody got any ideas?!!

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No, it's not!

The ABS Solenoid Relay is not earthing back through the ABS ECU, according to the engineer.

'Could' be that the ABS ECU is at fault (part no. 89541-14060) - have contacted Keron to see if he has one.

If anybody else has one lurking, please let me know.

There's on one ebay but the part number is different to mine (89541-14040) so my assumption is that this will not be good to use!

 

Anybody got any ideas?!!

 

I'll check if I have a spare in the morning :)

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I am sure a breaker will have one, they are pretty much trouble free, never heard of one failing before to be honest.

 

Messaged a couple and awaiting a reply. I looked over quite a few old posts about this possible issue and all of yours did say exactly what you've said above - I think the engineers are just methodically working back along the line of possible causes. Like you say, if I can pick one up cheaply enough then shouldn't be too much hassle. Just want to get the issue sorted asap really!

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Best to actually phone Keron.

 

 

I am just thinking of your issue. for the ECU to "know" there's an issue with the solenoid it must see a short or open on the driver output. Whilst I suppose the driver transistor itself could be the issue i would have thought something external to the ABS ecu would be the cause. Disconnect the ecu plug and the solenoid plug and check for shorts to ground or open circuit between the connector to the ECU and the solenoid itself. Interesting problem :)

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