Vehicle & Technical > Discovery
when does your abs light turn off
Range Rover Blues:
If that's all it failed on I'd be demanding a free retest as a minimum.
The ABS system is basically the same as the RRC I'm assuming. The ABS light iluminates once the engine is started and stays iluminated whilst the vehicle is in self-test mode. During this time you can execute the blink test BTW.
Once the ECU sees all 4 wheels sending signals of 5mph or above the light will extinguishas the ECU drops out of diagnostic mode, you cannot interogate it when the car is moving even with Rovacom.
If it does not extinguish straight away then it's possible the ABS pressure switch hasn't yet tripped out, I had this once after I'd been pumping the brakes with the ignition off, which empties the pressure cell. After about 10 seconds it went out.
Given that the MOT tester has to road test your truck anyway he should have seen the ABS light function correctly.
If you have the oramge sensors on the ends of yellow wires behind the headlights then you have exactly the same ABS system that I do, if it's alater D1 then the sensors are built inot the ECU but it still works the same way.
mike142sl:
All the lights on the TD5 turn out before setting off.
Hightower:
--- Quote from: mike142sl on March 10, 2008, 20:47:58 ---All the lights on the TD5 turn out before setting off.
--- End quote ---
Unless there has been a problem which caused the ABS/TC/HDC lamps to come on, but that has been subsequently cleared by turning the ignition off and then back on. In this instance the ABS lamp remains lit until you reach 10mph (the same speed at which the doors lock themselves).
stageonesimmo:
RRBlues,
--- Quote ---Given that the MOT tester has to road test your truck anyway he should have seen the ABS light function correctly.
--- End quote ---
Whys that then? If is because of the RBT then I have to disagree - its perfectly safe to use a RBT to test LR brakes.
windowlicker:
cheers for the replys i should of stated its a m plate 300tdi es so im guessing a different setup to a td5.
i get a ten day window for a free retest so ive welded up a couple of little holes that appeared one of them looks like it had a bit of help :x ive replaced all 4 ball joints on the steering but its failed on excessive free play detected at the steering wheel would this come under the 2 track rod ends as i cant feel any play in the steering box what so ever?
and im just waiting for some offset rims to sort the fouling of the radius arms
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