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Unread 01-05-2011, 12:24 PM   #41
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Default Re: Need a little help with Alltrax controller

Check this thread. It fixed my issue. 48 volt conversion problem
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Unread 01-05-2011, 12:36 PM   #42
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Default Re: Need a little help with Alltrax controller

Quote:
Originally Posted by Hotcat View Post
Check this thread. It fixed my issue. 48 volt conversion problem
Yep that could be a problem as well, first he need to test out the throttle with the VOM. If it's good then I'd say this could be a contender as to the issue.
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Unread 01-05-2011, 06:01 PM   #43
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Default Re: Need a little help with Alltrax controller

You can always revert back to stock if it doesn't fix it, plus its always good to have an extra throttle tune available.
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Unread 01-05-2011, 06:24 PM   #44
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Default Re: Need a little help with Alltrax controller

Quote:
Originally Posted by cheapjeep2 View Post
It could be the controller but I kind of doubt it. Before you do anything else you need to see if you are getting the full range of output/input from the MCOR unit. You need to do as ScottyB suggested and use your volt meter set to OHMS and make sure you are seeing 5K-0 for your throttle.

You can do this on the pins of the MCOR but an easier place to do this is on the IQ adapter at the controller. Set your meter to ohms in a range that handle 5k... And put the leads of your meter on Pins 1 and 2 of the controller. You should see 5k+or- with no throttle and at wide open throttle you should see down around 0.

Reference the pic on where to test.
Hello cheapjeep2, Well, I don't know if I done this right or not. I tried to ohm the mcor the way you showed in the picture on the controller. I couldn't get any readings by turning my volt meter to ohms, with the cart on run or on tow. I got a reading when I turned the volt meter to DC and the cart on run. The readings I got with the throttle not being press 4.08 and with the throttle pressed to the floor the meter went to .75
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Unread 01-05-2011, 07:50 PM   #45
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Default Re: Need a little help with Alltrax controller

OK, Those reading look out of wack a bit. The 4.08v looks low it should be higher. The procedure Scotty and I were refering to was an ohm test, but here is the ACTUAL CLUB CAR test for an MCOR IQ vehicle using a voltmeter.

I've also attached it in the PDF document. Follow this test exactly, if it you get bad results, replace the MCOR, if it's tests ok, call Chuck at AllTrax and tell them your controller is not reaching 100% throttle like HotCats.

MCOR Voltage Test without the IQDM Handset
1. Place chocks at the front wheels and lift the rear of the vehicle with a chain hoist or floor jack. Position
jack stands under the frame crossmember between the spring mount and side stringer, just forward of
each rear wheel. See WARNING “Lift only one end...” in General Warning, Section 10, Page 10-1.
See following NOTE.
NOTE: The key switch should be placed in the OFF position and left in the OFF position for the duration of
this test.
2. With the batteries connected, place Tow/Run switch in RUN. Using a multimeter set to 200 volts DC,
place red (+) probe on battery no. 1 positive post and place black (–) probe (with insulation-piercing
probe) on the purple/white wire (1) at a point close to the three-pin connector at the MCOR (Figure
11-11). The reading should be approximately 48-50 volts (full battery voltage).
Figure 11-11 Test MCOR: Purple/White Wire (+)
ELECTRICAL SYSTEM AND TESTING Troubleshooting
2008 IQ Plus Electric Vehicle Maintenance and Service Supplement Page 11-19
11
3. If reading is zero volts, check the purple/white wire continuity from the three-pin connector at the MCOR
to the 24-pin connector at the speed controller. Check terminal positions in three-pin connector at the
MCOR and the 24-pin connector. If all of the continuity readings are correct and the connectors are wired
correctly, replace the speed controller.
4. With multimeter set to 20 volts DC, place the black (–) probe on battery no. 8 negative post and the red
(+) probe (with insulation-piercing probe) on the white wire (2) at a point close to the three-pin connector
at the MCOR (Figure 11-12). The reading should be approximately 4.65 volts.
5. If reading is zero volts, check the white wire continuity from the three-pin connector at the MCOR to the
24-pin connector at the speed controller. Check terminal positions in three-pin connector at the MCOR
and the 24-pin connector. If all of the continuity readings are correct and the connectors are wired correctly,
replace the speed controller.
6. With multimeter set to 20 volts DC, place the black (–) probe on battery no. 8 negative post and the red
(+) probe (with insulation-piercing probe) on the yellow wire (3) at a point close to three-pin connector at
the MCOR (Figure 11-13). The reading should be approximately 0.32 volts with the pedal up. Slowly
press the accelerator pedal and note the readings on the multimeter. As the pedal is pressed, the reading
should increase until it reaches 4.65 volts when the pedal is fully pressed.
7. If reading does not increase as the pedal is pressed, replace the MCOR.
8. If the reading is not approximately 4.60 volts with the pedal fully pressed, the vehicle will not operate at
rated top speed. Check the MCOR resistance.
8.1. Disconnect the battery cables as instructed. See WARNING “To avoid unintentionally start-
Figure 11-12 Test MCOR: White Wire (+)
Figure 11-13 Test MCOR: Yellow Wire (+)
Passenger Side Frame Rail
3
ELECTRICAL SYSTEM AND TESTING Troubleshooting
Page 11-20 2008 IQ Plus Electric Vehicle Maintenance and Service Supplement
11
ing...” in General Warning, Section 10, Page 10-1.
8.2. Disconnect the 24-pin connector at the speed controller.
8.3. Set a multimeter to 20k ohms. Connect the red (+) probe of the multimeter to the yellow wire at the
MCOR three-pin connector with an insulation piercing probe. Connect black (–) probe to the purple/
white wire with an insulation-piercing probe.
8.4. With the accelerator pedal fully up (not pressed), the multimeter should read approximately 1k
ohms.
8.5. Slowly press the accelerator pedal while monitoring the multimeter. The resistance should rise as
the pedal is pressed. When the pedal is all the way to the floor, the multimeter should indicate
between 5.67k ohms and 7.43k ohms.
8.6. Using a multimeter set for 20k ohms, connect the red (+) probe of the multimeter to the yellow wire
at the MCOR three-pin connector with an insulation piercing probe. Connect black (–) probe to the
white wire with an insulation-piercing probe.
8.7. With the accelerator pedal fully up (not pressed), the multimeter should indicate between 5.67k
ohms and 7.43k ohms.
8.8. Slowly press the accelerator pedal while monitoring the multimeter. The resistance should drop as
the pedal is pressed. When the pedal is all the way to the floor, the multimeter should indicate
approximately 1k ohms.
8.9. If the MCOR does not operate as described, replace the MCOR.
Attached Files
File Type: pdf IQ_Plus_2008_Testing.5021715.pdf (1.37 MB, 8 views)
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Unread 01-05-2011, 08:07 PM   #46
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Default Re: Need a little help with Alltrax controller

Well....... that about covers the whole cart end to end Let us know what happens
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Unread 01-05-2011, 08:27 PM   #47
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Default Re: Need a little help with Alltrax controller

Well I'm getting 100% throttle now. After calling Alltrax today, they emailed me a program for a new throttle curve. Man I can't wait to give it a test drive. After I install the program I hit the throttle, it jumped up to 100% fast. I would have done a test run but its raining here now, I guess I will have to wait till tomorrow. I just want to say thanks to everybody that help me on this. I'm going to give all of ya'll a break for a while and not start anymore upgrades, well not for a least a week. Thanks again, Greg
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Unread 01-05-2011, 08:34 PM   #48
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Default Re: Need a little help with Alltrax controller

Whoo hoo, Good for you, bad on Alltrax... wonder what is going on with them.

Keep that PDF file I posted, you may need it in the future!
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Unread 01-05-2011, 08:36 PM   #49
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Default Re: Need a little help with Alltrax controller

It looks like Alltrax has recently found a glitch in it's throttle program that didn't allow the controllers to reach 100% output. What a shame for some of the guys who gave up or like sseaner who even sent his back to the factory only to be told it was okay ??? when it was obviously not .... Keep us all updated.
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Unread 01-05-2011, 08:56 PM   #50
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Default Re: Need a little help with Alltrax controller

Im happy to hear that you have it working. I have a problem that my be controller related too. My cart is 2004 Precedent IQ. I have a dcx400 controller installed. When I first installed it I took it for a test drive and it worked great. I havent used it for about a month and now when I press the accelerator it lurches forward then stops. I put it on jack stands and ran the alltrax software and got the following results.

TimeStamp,ThrottlePos,DiodeTemp,BatteryVoltage,Out putCurrent,BatteryCurrent,ErrorFlags
01/05/11 18:44:15.123 0,,50.5,0.0,0.0,0x00
01/05/11 18:44:15.203 9,,50.5,15.0,1.4,0x00
01/05/11 18:44:15.293 10,,50.0,15.0,1.5,0x00
01/05/11 18:44:15.373 11,,50.0,20.0,2.3,0x00
01/05/11 18:44:16.325 12,,50.0,0.0,0.0,0x00
01/05/11 18:44:16.405 13,,50.0,5.0,0.6,0x00
01/05/11 18:44:17.286 13,,50.1,0.0,0.0,0x00
01/05/11 18:44:17.366 14,,49.9,5.0,0.7,0x00
01/05/11 18:44:18.087 15,,50.0,0.0,0.0,0x00
01/05/11 18:44:18.157 15,,49.9,0.0,0.0,0x00
01/05/11 18:44:18.237 15,,49.9,0.0,0.0,0x00
01/05/11 18:44:18.317 15,,50.1,0.0,0.0,0x00
01/05/11 18:44:19.119 16,,49.9,0.0,0.0,0x00
01/05/11 18:44:19.359 17,,49.9,0.0,0.0,0x00
01/05/11 18:44:20.881 19,,49.5,5.0,0.9,0x00
01/05/11 18:44:20.951 19,,49.6,5.0,1.0,0x00
01/05/11 18:44:21.041 19,,49.6,5.0,0.9,0x00
01/05/11 18:44:21.121 19,,49.8,0.0,0.0,0x00
01/05/11 18:44:22.473 20,,49.3,5.0,1.0,0x00
01/05/11 18:44:22.714 21,,49.4,5.0,1.0,0x00
01/05/11 18:44:22.794 21,,49.4,10.0,2.1,0x00
01/05/11 18:44:23.755 22,,49.4,10.0,2.2,0x00
01/05/11 18:44:23.835 23,,49.6,5.0,1.1,0x00
01/05/11 18:44:23.915 23,,49.7,0.0,0.0,0x00
01/05/11 18:44:24.947 23,,49.1,5.0,1.2,0x00
01/05/11 18:44:25.027 24,,49.3,5.0,1.2,0x00
01/05/11 18:44:25.107 23,,49.3,0.0,0.0,0x00
01/05/11 18:44:26.790 25,,48.8,5.0,1.2,0x00
01/05/11 18:44:26.870 25,,49.0,10.0,2.5,0x00
01/05/11 18:44:26.950 24,,49.1,5.0,1.2,0x00
01/05/11 18:44:28.782 28,,48.8,10.0,2.8,0x00
01/05/11 18:44:28.853 29,,48.4,15.0,4.3,0x00
01/05/11 18:44:29.493 30,,48.9,5.0,1.5,0x00
01/05/11 18:44:29.974 31,,49.1,15.0,4.6,0x00
01/05/11 18:44:30.044 31,,48.7,15.0,4.6,0x00
01/05/11 18:44:30.124 31,,48.9,5.0,1.5,0x00
01/05/11 18:44:30.205 32,,48.2,15.0,4.8,0x00
01/05/11 18:44:31.166 33,,48.9,5.0,1.7,0x00
01/05/11 18:44:31.647 34,,49.6,20.0,6.7,0x00
01/05/11 18:44:31.727 35,,47.4,0.0,0.0,0x00
01/05/11 18:44:31.807 36,,47.8,5.0,1.8,0x00
01/05/11 18:44:32.438 39,,47.0,0.0,0.0,0x00
01/05/11 18:44:32.518 39,,49.1,25.0,9.8,0x00
01/05/11 18:44:33.319 40,,48.4,15.0,6.0,0x00
01/05/11 18:44:33.399 40,,48.1,5.0,2.0,0x00
01/05/11 18:44:33.479 40,,48.9,15.0,5.9,0x00
01/05/11 18:44:33.559 40,,47.1,30.0,12.1,0x00
01/05/11 18:44:33.639 41,,43.6,0.0,0.0,0x00
01/05/11 18:44:33.720 41,,44.6,0.0,0.0,0x00
01/05/11 18:44:33.800 42,,46.0,15.0,6.2,0x00
01/05/11 18:44:33.880 41,,37.8,0.0,0.0,0x00
01/05/11 18:44:33.960 41,,38.8,0.0,0.0,0x00
01/05/11 18:44:34.441 42,,34.9,0.0,0.0,0x00
01/05/11 18:44:34.521 43,,34.8,0.0,0.0,0x00
01/05/11 18:44:34.601 45,,34.1,0.0,0.0,0x00
01/05/11 18:44:34.681 46,,33.0,0.0,0.0,0x00
01/05/11 18:44:34.761 47,,30.4,0.0,0.0,0x00
01/05/11 18:44:34.841 46,,28.5,0.0,0.0,0x00
01/05/11 18:44:34.921 47,,26.5,0.0,0.0,0x00
01/05/11 18:44:35.001 48,,23.8,0.0,0.0,0x00
01/05/11 18:44:35.082 49,,20.9,0.0,0.0,0x00
01/05/11 18:44:35.162 54,,16.9,0.0,0.0,0x00
01/05/11 18:44:35.242 62,,13.8,0.0,0.0,0x20
01/05/11 18:44:35.322 67,,10.4,0.0,0.0,0x20
01/05/11 18:44:35.402 69,,10.8,0.0,0.0,0x20
01/05/11 18:44:35.482 74,,9.9,0.0,0.0,0x20
01/05/11 18:44:35.562 75,,10.4,0.0,0.0,0x20
01/05/11 18:44:35.652 75,,9.1,0.0,0.0,0x20
01/05/11 18:44:35.732 74,,10.1,0.0,0.0,0x20
01/05/11 18:44:35.813 75,,9.3,0.0,0.0,0x20
01/05/11 18:44:35.893 76,,8.8,0.0,0.0,0x20
01/05/11 18:44:35.973 78,,9.8,0.0,0.0,0x20
01/05/11 18:44:36.053 89,,8.2,0.0,0.0,0x20
01/05/11 18:44:36.133 100,,8.5,0.0,0.0,0x20
01/05/11 18:44:36.213 100,,7.3,0.0,0.0,0x20
01/05/11 18:44:36.293 100,,7.3,0.0,0.0,0x20
01/05/11 18:44:36.373 100,,5.6,0.0,0.0,0x20
01/05/11 18:44:36.454 100,,4.4,0.0,0.0,0x20
01/05/11 18:44:36.534 100,,5.4,0.0,0.0,0x20
01/05/11 18:44:36.614 100,,4.6,0.0,0.0,0x20
01/05/11 18:44:36.694 100,,4.2,0.0,0.0,0x20
01/05/11 18:44:36.774 99,,5.0,0.0,0.0,0x20
01/05/11 18:44:36.854 100,,6.4,0.0,0.0,0x20
01/05/11 18:44:36.934 100,,6.6,0.0,0.0,0x20
01/05/11 18:44:37.014 99,,5.1,0.0,0.0,0x20
01/05/11 18:44:37.094 98,,4.1,0.0,0.0,0x20
01/05/11 18:44:37.175 100,,4.7,0.0,0.0,0x20
01/05/11 18:44:37.255 98,,4.7,0.0,0.0,0x20
01/05/11 18:44:37.335 65,,3.9,0.0,0.0,0x20
01/05/11 18:44:37.415 38,,4.6,0.0,0.0,0x20
01/05/11 18:44:37.495 20,,5.4,0.0,0.0,0x20
01/05/11 18:44:37.575 0,,6.5,0.0,0.0,0x20
01/05/11 18:44:37.655 0,,7.5,0.0,0.0,0x20
01/05/11 18:44:37.735 0,,6.8,0.0,0.0,0x20
01/05/11 18:44:37.815 0,,7.2,0.0,0.0,0x20
01/05/11 18:44:37.896 0,,6.7,0.0,0.0,0x20
01/05/11 18:44:37.966 0,,6.6,0.0,0.0,0x20
01/05/11 18:44:38.046 0,,6.5,0.0,0.0,0x20
01/05/11 18:44:38.126 0,,6.5,0.0,0.0,0x20
01/05/11 18:44:38.206 0,,6.1,0.0,0.0,0x20
01/05/11 18:44:38.286 0,,5.6,0.0,0.0,0x20
01/05/11 18:44:38.366 0,,5.4,0.0,0.0,0x20
01/05/11 18:44:38.446 0,,5.2,0.0,0.0,0x20
01/05/11 18:44:38.526 0,,5.2,0.0,0.0,0x20
01/05/11 18:44:38.607 0,,4.9,0.0,0.0,0x20
01/05/11 18:44:38.687 0,,4.5,0.0,0.0,0x20
01/05/11 18:44:38.767 0,,4.1,0.0,0.0,0x20
01/05/11 18:44:38.847 0,,3.6,0.0,0.0,0x20
01/05/11 18:44:38.927 0,,3.3,0.0,0.0,0x20
01/05/11 18:44:39.007 0,,2.7,0.0,0.0,0x20
01/05/11 18:44:39.087 0,,2.1,0.0,0.0,0x20
01/05/11 18:44:39.167 0,,1.6,0.0,0.0,0x20
01/05/11 18:44:39.248 0,,1.2,0.0,0.0,0x20
01/05/11 18:44:39.328 0,,0.6,0.0,0.0,0x20
01/05/11 18:44:39.408 0,,0.2,0.0,0.0,0x30
01/05/11 18:44:39.488 0,,0.1,0.0,0.0,0x70
01/05/11 18:44:39.558 0,,0.3,0.0,0.0,0x30
01/05/11 18:44:39.638 0,,0.7,0.0,0.0,0x30
01/05/11 18:44:39.718 0,,0.6,0.0,0.0,0x30
01/05/11 18:44:39.798 0,,0.4,0.0,0.0,0x30
01/05/11 18:44:39.878 0,,0.4,0.0,0.0,0x30
01/05/11 18:44:39.959 0,,0.5,0.0,0.0,0x30
01/05/11 18:44:40.039 0,,0.5,0.0,0.0,0x30
01/05/11 18:44:40.119 0,,0.4,0.0,0.0,0x30
01/05/11 18:44:40.199 0,,0.4,0.0,0.0,0x30
01/05/11 18:44:40.279 0,,0.4,0.0,0.0,0x30
01/05/11 18:44:40.359 0,,0.5,0.0,0.0,0x30
01/05/11 18:44:40.439 0,,0.6,0.0,0.0,0x30
01/05/11 18:44:40.519 0,,0.4,0.0,0.0,0x30
01/05/11 18:44:40.599 0,,0.4,0.0,0.0,0x30
01/05/11 18:44:40.680 0,,0.4,0.0,0.0,0x30
01/05/11 18:44:40.760 0,,0.5,0.0,0.0,0x30
01/05/11 18:44:40.840 0,,0.5,0.0,0.0,0x30
01/05/11 18:44:40.920 0,,0.6,0.0,0.0,0x30
01/05/11 18:44:41.000 0,,1.3,0.0,0.0,0x30
01/05/11 18:44:41.080 0,,2.8,0.0,0.0,0x30
01/05/11 18:44:41.160 0,,4.4,0.0,0.0,0x20
01/05/11 18:44:41.240 0,,6.0,0.0,0.0,0x20
01/05/11 18:44:41.321 0,,7.3,0.0,0.0,0x20
01/05/11 18:44:41.401 0,,8.8,0.0,0.0,0x20

I think I might have a bad battery. If you guys can confirm by looking at this that would be fantastic.
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