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07-10-2009
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#21 |
Join Date: Dec 2007
Location: Reston, Virginia
Posts: 939
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Re: CCM
Max...
Tech I scanner on fleabay>> http://cgi.ebay.com/ebaymotors/TECH-1-TECH-1A-VETRONIX-SCAN-TOOL-GM-SYSTEM_W0QQitemZ180379385787QQcmdZViewItemQQptZMot ors_Automotive_Tools?hash=item29ff72ffbb&_trksid=p 4506.c0.m245&_trkparms=65%3A1|39%3A1 Michael
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Michael :cheers: [I][SIZE="2"]1990 RED on RED #566[/SIZE][/I] [I][SIZE="2"]WAZOO MEMBER[/I][/SIZE] |
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07-10-2009
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#22 | |
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Join Date: Apr 2009
Location: ITALY
Posts: 264
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Re: CCM
Quote:
i think that is a very good product...but...at this moment is so much expansive...sorry 
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07-10-2009
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#23 |
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Join Date: Apr 2009
Location: ITALY
Posts: 264
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Re: CCM
Hi guys,
this morning i do the test on ALDL pin. I have the 32 and 36 errors...What are they? There is a list with the errors?? How can i do to reset the chip??Is the same of "INFL REST" light?? Thanks to all |
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07-10-2009
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#24 |
 
Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
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Re: CCM
Hi Max,
32 = RR toothed wheel Frequency error 36 = LR toothed wheel Frequency error I think the issue maybe that the face of both sensors are dirty, or the electrical connectors are loose or wet maybe or the teeth on the rear spindles may have collected brake dust. It seems to me that those codes are indicating that the ABS system is getting some signal from the rears but that the signal maybe be degraded due to dirt. These codes do not seem to be indicating any broken parts as a final answer. Let me do more reading in the FSM and I'll post up more. I just wanted to get this posted up as a beginning point, Max.  Tom
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
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07-10-2009
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#25 |
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Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
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Re: CCM
Okay Max, the FSM diagnostic charts says to check:
No dirt build up on the teeth and the face of the sensor. Make sure that the sensor's hold down bolt has the proper torque, 10 N-m. Make sure that the sensor O-ring is not broken or otherwise damaged as it will cause the sensor to be too close or too far to generate the correct signal. Make sure the the wheel bearings are not beyond the allowed run-out. Clearing the codes: Pin "H" 1.) turn ignition off. 2.) ground pin "H". 3.) Turn ignition "ON". 4.) Wait for codes to begin flashing. 5.) Unground pin "H" for at least one second, then ground pin "H" again. Do this 3 times within ten seconds. unground, ground, unground. 6.) Wait at least 15 seconds. Ground pin "H" to see if 12 flashes.If yes to 12, turn ignition off. If 12 is not the only code flashing, then repeat from step 1. Tom
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
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07-10-2009
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#26 | |
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Join Date: Apr 2009
Location: ITALY
Posts: 264
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Re: CCM
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Tom, how can i thank you??? Thanks a lot for information... Do you know how much is the correct distance? Tom where did you find the FSM diagnostic charts??It's on the GM manual?i ghave the electricmanual and the supplement, i'm waiting the 1990 service manual...Tom, what's FSM? I'll try to check the sensor on the wheel and after i erase the chip... I will make you to know as soon as I can... THANKS!!!!!!!!!!!!!!!!!!!
Last edited by max76; 07-10-2009 at 10:07 AM. |
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07-10-2009
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#27 |
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Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
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Re: CCM
You just did thank me, Max!
 I bought my FSM, Factory Service Manual, from Helminc.com.....I bought it when I bought my Z almost 6 yrs ago.. The topics are covered in the book that you are waiting for, it's the thick book "1990 Corvette Service Manual". I wish you sucess in resolving the ABS issues. My first guess would be that brake dust has built up on the teeth and the sensor face. It's just an "induction" type of sensor system. If too much brake dust builds up it will not give the correct voltage signal. The correct gap for the sensor is pre-determined by the mounting system. There is no gap to set with a feeler gauge. You put the sensor in it's hole, and tighten the retainer bolt to 10 N-m and that's it. That's why the dirt, o-ring and wheel bearings are listed as suspects for causing those codes. Tom
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member Last edited by tomtom72; 07-10-2009 at 10:18 AM. |
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07-10-2009
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#28 | |
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Join Date: Apr 2009
Location: ITALY
Posts: 264
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Re: CCM
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i'll wait the "service manual" with love!!!  I hope that in that's book there are all the error code af the chip... Thanks for yours explanations, you are very light... I'll make you to know... Have a good week-end Max
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07-16-2009
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#29 |
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Join Date: Apr 2009
Location: ITALY
Posts: 264
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Re: CCM
Hi guys,
3 days ago i received the service manual. I look the procedure to test the abs service light...the codes was 32and 36. I remove the abs sensor on both wheels and i clean the toothed wheel, they wasn't broken or damage. I reset the chip and i try the car for few miles. The light come on again... What can i do??????? Thanks in advance Max |
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07-16-2009
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#30 | |
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Guest
Posts: n/a
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Re: CCM
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Got a shot of the reluctor ring (gear teeth) on the axle? They are most likely chewed lightly and the sensor can not pick up the teeth. Also how are your bearings? |
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