ABS fault diagnosis

IntegraDan

Advanced Member
Messages
332
Looking for some answers from the experts!

I went for a spirited drive about a week ago, came back and put the car in the garage.

Went to it on Tuesday and the ABS light is on, and doesn’t go off.

I’ve checked for DTC and there are no codes at all

Checked both fuses, cabin and under bonnet - both fine.

Checked the voltage to the module and 12v is present

Any ideas? I’d really like to know what part of the system is the issue before I star replacing things
 

IntegraDan

Advanced Member
Messages
332
You can bridge pins 5 and 9 on the OBD2 port and then read the flashes of the ABS light to tell you what it’s not happy about (Service Check Signal)

It’s likely going to be a rear ABS sensor I reckon
10 points for you!

That worked a treat, and showed rear right sensor.

Now to get a replacement
 

IntegraDan

Advanced Member
Messages
332
So onto the next problem!

the sensor is seized into the hub, tried penetrating spay and also removed the brake disc to try a knock it out from the front.
Can I just drill it out? I’m not going to damage anything else?
 

20Drift

Members
Staff member
Messages
289
So onto the next problem!

the sensor is seized into the hub, tried penetrating spay and also removed the brake disc to try a knock it out from the front.
Can I just drill it out? I’m not going to damage anything else?
You can try a 50/50 mix of ATF and Acetone, failing that heat may release it.
Otherwise nothing wrong with drilling it, just be careful of damaging the ring when you make it through the sensor!
 

IntegraDan

Advanced Member
Messages
332
You can try a 50/50 mix of ATF and Acetone, failing that heat may release it.
Otherwise nothing wrong with drilling it, just be careful of damaging the ring when you make it through the sensor!
Thanks for your help!

I ordered a new sensor from Amayama, it arrived today.

Got the old sensor drilled out, fitted the new one and light is now off! :D
 
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