Help
The ABS warning light came on and after my mechanic did a diagnostic, these faults were shown to be on the system:
C1236 N/S Rear Input Signal Missing
C1233 N/S Front Input Signal Missing
C1155 Speed Wheel Sensor Left Front Input Circuit
Before I buy the wrong sensor or even the module, can anyone tell me what I need to buy and where might be the best place?
Thanks
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Abs Warning Lights -Codes Help Needed Fault Codes Need Deciphering
#2
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Posted 02 March 2015 - 08:33 AM
If it wasn't for the first one in the list, I would say it would certainly be the NS front at fault.
The first way to test, which usually points you in the right direction, is to test the resistance of each one with an electrical test meter. You should get in the region of 1050 ohms.
The prices of the front ones can range from about a tenner up to 40-50 quid for the OEM spec ATE ones.
The rear loom up to about 80 quid.
Are you anywhere near a Sutton Auto Factors? I got two front ones last year for 18 quid each, Beckermann branded ones and they worked fine.
It looks like you have a faulty one on NS front. They are a pain to replace as they don't just pull out. You will need to smash it to bits to get it out of the hub. To do this you will need to remove the brake disc to access it through the reluctor ring. It is obvious when you get the wheel off. Take care not to damage or bend the reluctor ring as this will cause you even more grief.
Don't start worrying about the ABS module yet. Although they sometimes fail, it's much more likely to be a faulty sensor.
Paul
The first way to test, which usually points you in the right direction, is to test the resistance of each one with an electrical test meter. You should get in the region of 1050 ohms.
The prices of the front ones can range from about a tenner up to 40-50 quid for the OEM spec ATE ones.
The rear loom up to about 80 quid.
Are you anywhere near a Sutton Auto Factors? I got two front ones last year for 18 quid each, Beckermann branded ones and they worked fine.
It looks like you have a faulty one on NS front. They are a pain to replace as they don't just pull out. You will need to smash it to bits to get it out of the hub. To do this you will need to remove the brake disc to access it through the reluctor ring. It is obvious when you get the wheel off. Take care not to damage or bend the reluctor ring as this will cause you even more grief.
Don't start worrying about the ABS module yet. Although they sometimes fail, it's much more likely to be a faulty sensor.
Paul
This post has been edited by nottadam: 02 March 2015 - 08:37 AM
FRP#008, 2001 1.6 Med Steel Blue, Fiesta 1.5 TDCi Zetec S
#3
Posted 02 March 2015 - 02:12 PM
nottadam, on 02 March 2015 - 08:33 AM, said:
If it wasn't for the first one in the list, I would say it would certainly be the NS front at fault.
The first way to test, which usually points you in the right direction, is to test the resistance of each one with an electrical test meter. You should get in the region of 1050 ohms.
The prices of the front ones can range from about a tenner up to 40-50 quid for the OEM spec ATE ones.
The rear loom up to about 80 quid.
Are you anywhere near a Sutton Auto Factors? I got two front ones last year for 18 quid each, Beckermann branded ones and they worked fine.
It looks like you have a faulty one on NS front. They are a pain to replace as they don't just pull out. You will need to smash it to bits to get it out of the hub. To do this you will need to remove the brake disc to access it through the reluctor ring. It is obvious when you get the wheel off. Take care not to damage or bend the reluctor ring as this will cause you even more grief.
Don't start worrying about the ABS module yet. Although they sometimes fail, it's much more likely to be a faulty sensor.
Paul
The first way to test, which usually points you in the right direction, is to test the resistance of each one with an electrical test meter. You should get in the region of 1050 ohms.
The prices of the front ones can range from about a tenner up to 40-50 quid for the OEM spec ATE ones.
The rear loom up to about 80 quid.
Are you anywhere near a Sutton Auto Factors? I got two front ones last year for 18 quid each, Beckermann branded ones and they worked fine.
It looks like you have a faulty one on NS front. They are a pain to replace as they don't just pull out. You will need to smash it to bits to get it out of the hub. To do this you will need to remove the brake disc to access it through the reluctor ring. It is obvious when you get the wheel off. Take care not to damage or bend the reluctor ring as this will cause you even more grief.
Don't start worrying about the ABS module yet. Although they sometimes fail, it's much more likely to be a faulty sensor.
Paul
Thanks for all that -I am going to get onto it and print this reply off for my mechanic. Much appreciated!
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