ABS and TCS off warning light

BRYAN DUNFORD

MEMBER
1999 MAZDA 323
4 CYL
2WD
AUTOMATIC
61,438 MILES

Hi, The ABS and TCS warning light some times is staying on when the engine is started and car moving. If I turn off the ignition for 10/15 mins and restart the engine the warning lights go off after a few seconds.
Thanking you awaiting your reply
Bryan

11 Replies

KHLOW2008

MECHANIC
41,815 POSTS

Hi Bryan,

An error has been detected in the ABS system and you need appropriate scan tools to retrieve the trouble codes to proceed with diagnostics and rectification.

Here is a video that shows how

https://youtu.be/rTtAnsOlZU4

Please let us know what happens.

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Sunday, September 26th, 2010 AT 11:05 AM

BRYAN DUNFORD

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Hi, Many thanks. It sounds as though it may be expensive before I get to the problem and repair. Since writing the question I drove for three days on about 15 miles journeys each day and the lights never once came on. It is so intermittent that I bet it will not show up on the day I take it in for test.
MOT did not find any fault every thing working OK.
Many thanks again
Bryan

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Monday, September 27th, 2010 AT 9:41 AM

KHLOW2008

MECHANIC
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When indicator lights turns on, trouble codes would be stored unless it is a control unit fault.

For ABS problems, appropriate scan tools must be used and not all scan tools can retrieve other than engine trouble codes.

Since problem is intermittent and could be due to loose wirie harness, dirty sensors etc. As it is not recurring now, there is nothing that you need to do now.

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Monday, September 27th, 2010 AT 1:27 PM

BRYAN DUNFORD

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5 POSTS

Thanks for your prompt reply. It makes sense I will try and find a manual our sheet that will show me where the harness & sensors might be.

Thank-you for your help.
Bryan

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Monday, September 27th, 2010 AT 5:21 PM

KHLOW2008

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There are 2 DLC, one at left rear of engine compartment and the other (DLC 2) is under lower left side of dash.

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Tuesday, September 28th, 2010 AT 9:50 AM

BRYAN DUNFORD

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Bear with me please what is DLC or what does it look like.
Thanks Bryan

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Wednesday, September 29th, 2010 AT 1:40 PM

KHLOW2008

MECHANIC
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DLC = Data Link Connector and it is where scanners are plugged in to retrieve for trouble codes or analyse the engine operations.

It is a 16 pin connector, 8 pins in 2 rows. It should look something link the one shown in 2nd diagram.

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Wednesday, September 29th, 2010 AT 2:06 PM

BRYAN DUNFORD

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Thanks that is out of my league it is for the work shop when it goes in.
I am so greatful for your very prompt replies.I have left you feed back.

Again thank you very much If it ever does go in for repair I will let you know the results.

Bryan

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Wednesday, September 29th, 2010 AT 2:16 PM

KHLOW2008