ANTI-LOCK light stays on?

Joined
21 January 2004
Messages
7,988
Location
New Brunswick, NJ
I just went for a quick 15 min. ride to the bank and when I was leaving I heard the ABS system clicking. I know its normal when the car is starting but Id didnt seem to stop, then the Anti-lock light (amber light on the top of the dash) stayed on. Car drove and brakes normal but the light was on. I got back to the dealership turned the car off and back on again and the light now stayed off :confused: Any ideas?
 
I think your options are to exercise the system, or, if that doesn't help, troubleshoot using the manual. Here is the explanation of what's happening:

From http://www.nsxprime.com/FAQ/Troubleshooting/alb.htm

[VB] Local NSX mechanic: The ABS pump will run whenever the brake fluid in the accumulator drops below a certain psi. If the pump cannot restore pressure within 120 seconds the ABS computer puts the system in "fail safe mode" and lights the ABS ( ALB ) warning light. If the light comes on during start up ( as it should for "bulb check" mode) then stays off, the system is ok. However if the solenoids leak down, the pump will run more often.

Occasionally, after ABS engagement the solenoid will weep internally and the pump will cycle more. Sometimes the condition will correct it's self, other times it takes operating the solenoids to get them to seal well again. One other symptom to watch for is if the pump cycles on and off very fast, say once every 5 minutes or so, and when the pump runs, if it only stays on for 1 to 5 seconds.... these symptoms indicate a depletion of nitrogen or a ruptured bladder inside the accumulator. The accumulator then fills completely with brake fluid and becomes " hydraulically locked."
 
Drove to work this morning and the light never came on :confused: I did hear the ABS pump working for a couple minutes but after that, all systems were GO :wink:
 
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