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Old 07-29-2006, 08:16 PM   #1 (permalink)
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ABS light, easiest way to diagnose prob?

Just wondering, I am having the abs light on my dash in my 4th gen. I wanted to know how to diagnose this problem if anyone has any ideas, and how to fix it if possible.
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Old 07-29-2006, 09:35 PM   #2 (permalink)
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Check the ABS code. Same process as checking the CEL code. Put a paper clip into the service connector that's behind the radio. Turn the key to 'On' and look at the flashing. It'll flash a number of times then pause and flash another. I just did my clutch and we accidently unplugged one of the wheel sensors and I found the problem by checking the code.

If you check it, post back here the code and I can look it up for you in the manual.
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Old 07-29-2006, 10:10 PM   #3 (permalink)
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^What he said, if he cant look it up for you Ill be happy to!

Or you could buy my Helms from me and look it up yourself next time! Ill give you a good price!
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Old 07-30-2006, 07:12 AM   #4 (permalink)
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check your brake fluid, common fix if ABS light is on...
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Old 07-30-2006, 11:21 AM   #5 (permalink)
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^I had that happen. Also if the wheel sensor is dirty it may come on. I just gave up on it though.
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Old 07-31-2006, 01:14 PM   #6 (permalink)
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Alright cool, I will take off the radio and get a paper clip behind there, give me a couple of days, maybe tomorrow, I am totally loaded with school and work today
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Old 07-31-2006, 04:08 PM   #7 (permalink)
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no need to take out the radio...
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Old 07-31-2006, 05:27 PM   #8 (permalink)
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I just fixed my 93 Accord today by taking it to a car wash and spraying the h*** out of the back of my rotors which is where the sensors are. I read that if your light comes on when you first start the car and its still sitting then its something wrong under the hood, if it does not come on till you drive then its a wheel sensor and could just need cleaned. Mine only popped on after the wheels started to roll so I sprayed them. So far Soooo good!
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Old 08-01-2006, 01:35 AM   #9 (permalink)
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If I dont need to take out the radio, how do I get to the light thing that I plug the paper clip into?
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Old 08-01-2006, 02:58 AM   #10 (permalink)
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Quote:
Originally Posted by Aquanius
If I dont need to take out the radio, how do I get to the light thing that I plug the paper clip into?

Reach behind the radio, from the drivers side, and pull out loose wires, there should be two sets, one has 3 wires to a plug, and one has 2 wires connected to a plug as well. Take the one that has two wires, to like a blue plug, and put one paper clip into both holes so its looped. Then turn the key in the ignition till all the indicator lights come on, wait for them to come off. Then if there is a abs code, the abs light will flash. I think with the abs codes there are no long flashes, so like code 41 which is front pass side wheel sensor, would be 4 flashes, then pause then one flash.
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Old 08-01-2006, 02:05 PM   #11 (permalink)
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Thanks I will go ahead and do that here in a minute!
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Old 10-22-2006, 10:12 PM   #12 (permalink)
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Quote:
Originally Posted by 94ludefunk
I just fixed my 93 Accord today by taking it to a car wash and spraying the h*** out of the back of my rotors which is where the sensors are. I read that if your light comes on when you first start the car and its still sitting then its something wrong under the hood, if it does not come on till you drive then its a wheel sensor and could just need cleaned. Mine only popped on after the wheels started to roll so I sprayed them. So far Soooo good!

I have the same exact problem. Where exactly did you clean?
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Old 10-24-2006, 04:04 PM   #13 (permalink)
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I just did a high pressure spray behind the wheels/brakes. It lasted for a couple months then came back.
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Old 08-31-2007, 02:56 AM   #14 (permalink)
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This is very very interesting. I have to try that paper clip method! Thats awesome. I thought I needed some kinda code reader or something to get codes. Im gonna try this within the next few days.

My ABS light only goes on after im driving, not when its just sitting them so im thinking its the wheel sensor is 94ludefunk is right about the sitting/driving thing.

yay for bring old posts back to life!
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Old 09-02-2007, 04:17 PM   #15 (permalink)
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Here are the ABS DTC's:
10- ABS Pump Motor Over-run} Solenoid ABS Pump Motor Pressure Switch
12- ABS Pump Motor Circuit Problem} ABS Motor Relay, ABS Unit Fuse, ABS Motor Fuse
13- High Pressure Leakage}Solenoid(s)
14- Pressure Switch
18- Accumilator Gas Leakage
21- Parking Brake Swith Related Problem} Brake Fluid Level Swtich, Brake System Light
31- Pulser(s) (FR)} Wheel Sensor Installation
32- Pulser(s) (FL)} Wheel Sensor Installation
34- Pulser(s) (RR&L)} Wheel Sensor Installation
41- Wheel Sensor (FR)
42- Wheel Sensor (FL)
44- Wheel Sensor (RR)
48- Wheel Sensor (RL)
50- Wheel Sensor(s) (RR&L)} Modulator Rear Brake Drag
54- Wheel Sensor(s) (RR)} Modulator Rear Brake Drag
58- Wheel Sensor(s) (RL)} Modulator Rear Brake Drag
60- Fail-Safe Relay (F&R)
61- Fail-Safe Relay (F)
64- Fail-Safe Relay (R)
71- Solenoid Related Problem (FR)} ABS B1 Fuse
72- Solenoid Related Problem (FL)} ABS B1 Fuse
74- Solenoid Related Problem (R)} Rear Fail-Safe Relay

http://www.preludecentral.com/forum/...ight=abs+light
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Old 09-03-2007, 11:53 AM   #16 (permalink)
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I got ABS code 12.

12- ABS Pump Motor Circuit Problem} ABS Motor Relay, ABS Unit Fuse, ABS Motor Fuse

Does anyone have any experience fixing this one?
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Old 09-03-2007, 06:18 PM   #17 (permalink)
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if its anything more than cleaning...

personally i wouldn't bother. our 2 channel systems are crap anyways
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Old 09-04-2007, 08:01 AM   #18 (permalink)
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Quote:
Originally Posted by rmelendez View Post
I got ABS code 12.

12- ABS Pump Motor Circuit Problem} ABS Motor Relay, ABS Unit Fuse, ABS Motor Fuse

Does anyone have any experience fixing this one?

I got code 1 subcode 2 yesterday also. I will be trying to fix the problem in the next few days. I will be following the procedure in the manual. i will let you know what it takes to fix mine, hopefully its just a fuse or relay. I already hade to resoldier my main relay, 4ws unit, and climate control. so hopefully the relay just needs resoildered.
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Old 09-07-2007, 01:23 PM   #19 (permalink)
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ok, i know what the problem with mine is. easy way to check if your motor is bad, pm me and i will walk you through it, i will be able to tell you in about 5 seconds if your motor is bad.
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Old 09-07-2007, 11:02 PM   #20 (permalink)
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I didn't read through this entire post, but it could just possibly be a bad/loose relay. And easy way to test is to pull the ABS relay, and pull your headlight relay. Stick the headlight relay into the ABS, see if you're still have the same problem. They're not EXACTLY the same relays, but I've substituted them on several occasions.
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