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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV.



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Old 10-19-2020, 07:00 PM   #1
MJBennettInc
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Default Ezgo RXV WNR (Curtis controller)

I have a stretched RXV that will not run. The customer stated it would start to run slow and then stopped. After that it would not push with wires flopped. On the programmer, there is no current faults. Everything is operating correctly other than I am getting no Throttle Command. Mapped throttle goes up but command does not. Batteries hold voltage, cables are good. Just a heads up because I was spinning my wheels on this one, I have replaced throttle and brake sensors, switches. Replaced solenoid, controller, motor brake. Running out of ideas and hate just changing parts. I thought possible harness issue but where they normally get them around batteries everything looks good, The cart was stretched and its tight where they come up from underneath but you cant tell without pulling the entire harness. Any ideas?

Last edited by MJBennettInc; 10-19-2020 at 07:01 PM.. Reason: Missed a detail
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Old 10-20-2020, 02:12 AM   #2
cgtech
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Default Re: Ezgo RXV WNR (Curtis controller)

Unique vehicle like that, its unknown territory. I'd first check blue wire on charge port. Download the "rxv troubleshooting guide" applicable to your year. We could offer more help if we knew what year it was.
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Old 10-20-2020, 08:37 AM   #3
MJBennettInc
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Default Re: Ezgo RXV WNR (Curtis controller)

Quote:
Originally Posted by cgtech View Post
Unique vehicle like that, its unknown territory. I'd first check blue wire on charge port. Download the "rxv troubleshooting guide" applicable to your year. We could offer more help if we knew what year it was.
Sorry its a 2017, I was not around the cart when I wrote that. Should i just replace blue wire? Also is there a good pin out troubleshooting diagram? Thanks
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Old 10-20-2020, 01:52 PM   #4
cgtech
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Default Re: Ezgo RXV WNR (Curtis controller)

The troubleshooting guide has a full wiring diagram. And no, dont replace the blue wire, test it.
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Old 10-21-2020, 08:28 AM   #5
MJBennettInc
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Default Re: Ezgo RXV WNR (Curtis controller)

Quote:
Originally Posted by cgtech View Post
The troubleshooting guide has a full wiring diagram. And no, dont replace the blue wire, test it.
Okay I will check it out when I get back to the shop tonight, thank you for the help. Will let you know what I find.
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Old 10-21-2020, 02:43 PM   #6
MJBennettInc
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Default Re: Ezgo RXV WNR (Curtis controller)

Quote:
Originally Posted by cgtech View Post
The troubleshooting guide has a full wiring diagram. And no, dont replace the blue wire, test it.
Okay so I went a head and checked all the pins at the controller. Going to check the components that go to the pins that came up incorrect but I wanted to give you what I found so far incase you had any insight on which road to go down.
Battery Voltage was 49.7 During Testing

1- KSI - Pos battery Pack voltage
2- Buzzer - Neg battery Pack voltage in R
3- NC
4- BLR - 0v
5- EMB - 0v

6- Main - Negative 47.1v
7- Ground - Negative Battery Pack Voltage
8- Temp Sensor - .8v
9- Pedal - .8v
10- Tow - 0v

11- Charger - Battery Pack Voltage Unplugged
12- Brake Switch - 20v
13- NC
14-NC
15- 5v+ - 5v
16- Throttle - 0-5v (as pedal was pressed)
17- Brake - 0-5v (as pedal was pressed)
18- Throttle Ground - Neg Battery Pack Voltage
19- NC
20- NC
21- NC
22- FWD - Battery pack voltage in FWD
23- NC
24- NC
25- 12v+ - 14.2v
26- 5v+ - 5v
27- NC
28- TX
29- RX
30- SOC - 3.6v
31- ENC A - 0v
32- ENC B - 4.59v
33- Rev - Battery Pack Voltage in REV
34- GND
35- NC

I highlighted the ones in red that came up out of spec. Please let me know if you have any ideas. Thank you.
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