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Old 05-17-2003, 11:08   #1 (permalink)
mrblazer2000
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confused abs light (2000 f150)

I have checked all pads, rotors and master. Disconnect the battery (trying to reset it) nothing. I would have checked the fuses but I donít have the schematic. Any help would be appreciated.

2000 f150
6 cylinder
2 wheel drive
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Old 05-18-2003, 08:18   #2 (permalink)
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The usual culprit is a cracked sensor or perhap's dirt at the sensor. Try removing them one at a time and giving them a through inspection and cleaning. I use carb cleaner,
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Old 08-06-2003, 07:34   #3 (permalink)
jpower
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Does anybody know where the abs speed sensor is on a 2000 f-150 xl 2wd?
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Old 08-06-2003, 18:55   #4 (permalink)
 
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I dont no much about brakes, so correct me if i'm wrong
i think the abs sensor is on the rear differential
i'm not sure if theres another one
I've heard there pretty easy to replace
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Old 08-06-2003, 20:44   #5 (permalink)
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Does the Yellow ABS light flash any certain number of times. IE is it any sequence that may be able to get a description from? You can get it scanned at Autozone for free. Ask them to check for KOEO and KOER codes.

If there is no real sequence in the flashing or you want to do it yourself you can take a voltmeter and run a few tests. make sure the car is not running but in the #2 position on the ignition.

You can measure the voltage between anti-lock brake control module C222-1, circuit 601, harness side and ground; and between anti-lock brake control module C222-9, circuit 601, harness side and ground. (see attached picture)

Now is it reading above 10volts?

YES: Install a new anti-lock brake control module and then repeat test

NO: Repair circuit 601.
***************************
If you do get a sequence write them down and put them on here. You can also...

Measure the voltage between anti-lock brake control module C222-12, circuit 571, harness side and ground, while shaking the wiring harness. (see picture attachment #2)

Is the Voltage above 10v?

NO: REPAIR circuit 571 and circuit 483 as necessary. Follow the diagnostic code information.

Yes: Turn ignition off then Disconnect batteries Negative terminal. Now measure the resistance between anti-lock brake control module C222-4, circuit 530, harness side and ground, while shaking the wiring harness. (see attached pic #3)

Is the resistance steady and less than 5 ohms? if so install a new anti-lock brake control module.

**** UNIT REPLACEMENT ****

To replace the unit you can do the following steps.

1. Remove negative terminal from battery.
2. Raise and support vehicle.
3. Disconnect the rear anti-lock brake sensor electrical connector located on the rear.
4. Remove the bolt.
5. Remove the rear anti-lock brake sensor.
6. Reverse procedures to reinstall new unit making sure area is clean prior to installation

NOTE: Thoroughly clean the mounting surface and also inspect the anti-lock brake sensor O-ring for damage; lightly lubricate the O-ring with SAE-75W-140 High Performance Rear Axle Lubricant PN: F1TZ-19580-B or equivalent.

************************

Hopefully this is of some help for you. I know a lot of information to take in at one time. BTW welcome to the site. BTW the rear sensor should only cost around 20$

LunaticSVT

Last edited by LunaticSVT; 11-24-2006 at 19:23.
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