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Electric Yamaha Electric Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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Thread Tools | Display Modes |
07-22-2011, 05:08 PM | #1 |
Gone Wild
Join Date: Jul 2010
Location: Lynden, Washington
Posts: 406
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Help diagnosing a G22
My G22 shut off and now will not run. It happened on a very slight incline (almost flat), when trying to drive away. The cart began to move, and then it just shut off. Here is what I have checked, thus far.
The battery pack is at 50.5 volts. Each individual battery has between 8.5 and 8.2 volts. I reset the tow/run switch. There was a clicking sound from the solenoid when the switch was flipped to the tow position. I waited a few minutes before setting it to the run position, but no luck. I checked the fuse near the solenoid. It is fine. I jumped the solenoid and still nothing. Either the motor or the controller makes a slight squealing or humming sound when the accelerator is depressed. After a few times of depressing the pedal, the sound stops completely. Resetting the tow/run switch will allow the squealing sound to return momentarily, until the accelerator is depressed a few more times. No movement in the cart what so ever is present at any time. At this point, what is my next step to diagnosing the cart? SHMO |
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07-22-2011, 05:37 PM | #2 |
Gone Wild
Join Date: Jul 2010
Location: Lynden, Washington
Posts: 406
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Re: Help diagnosing a G22
I guess I should have also noted; I tested the key switch and the F/R switch for continuity and they check out OK. I also inspected all the battery cable connections for corrosion or breakage and found nothing worth noting.
I am pretty much stumped. These "fancy electronic whirly-gigs" are more or less foreign to me. I knew I should have bought a gasser...haha Thanks for any input guys. I really appreciate it. SHMO |
07-23-2011, 01:36 PM | #3 |
Gone Wild
Join Date: Jul 2010
Location: Lynden, Washington
Posts: 406
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Re: Help diagnosing a G22
Would I be too quick to assume that the controller or the motor may be faulty? I'm kind of grasping at straws as of what to do here. If anyone has an idea, I am all ears. I would hate to replace a spendy part, and realize I have overlooked something.
SHMO |
07-23-2011, 02:39 PM | #4 |
Getting Wild
Join Date: May 2009
Location: South Fork of The Edisto River, SC
Posts: 86
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Re: Help diagnosing a G22
Mine died right before I did the controller install. Come to find out it was a bad solenoid, one of the jumpers for the tow /run switch had lost contact inside the housing...
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07-23-2011, 08:00 PM | #5 |
Gone Wild
Join Date: Jul 2010
Location: Lynden, Washington
Posts: 406
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Re: Help diagnosing a G22
I jumped the larger poles of the solenoid, and it didn't work. I "think" that would eliminate the possibility of the solenoid itself being faulty, but I don't know for sure. I'll give it a closer inspection.
I'm sure there are other areas to look at before I start throwing parts at it. I just don't know exactly where to look or how to go about diagnosing them. SHMO |
07-25-2011, 12:36 PM | #6 |
Gone Wild
Join Date: Jul 2010
Location: Lynden, Washington
Posts: 406
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Re: Help diagnosing a G22
Sure could use some input from some of the more electrically inclined guys out there. I am all out of ideas, and the "cart guy" that I purchased my fleet from is hiding. He isn't returning any calls. I'm completely stuck at this point.
SHMO |
07-25-2011, 11:35 PM | #7 |
Gone Wild
Join Date: Jul 2010
Location: Lynden, Washington
Posts: 406
|
Re: Help diagnosing a G22
Got in touch with the guy I bought the cart from. he suggested that it sounded like the stop switch had failed....quick check of that and the problem continues. I removed the switch and used a jump wire to bypass it, no luck. I also checked the switch for continuity before reinstalling it. As far as I can tell, everything checks out with the exception of the motor and the controller that I am unable to diagnose. The only thing I am not totally sure of is the solenoid. I guess I will replace that first, then start throwing parts at it until I find the culprit.
SHMO |
07-26-2011, 06:55 PM | #8 | |
Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,875
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Re: Help diagnosing a G22
Quote:
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07-26-2011, 10:00 PM | #9 |
Gone Wild
Join Date: Jul 2010
Location: Lynden, Washington
Posts: 406
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Re: Help diagnosing a G22
Got your PM. Thank you for the info, smallblock450sl. Unfortunately, that wasn't it and we're still hunting for the problem part. I have a bad feeling it might end up being a controller.
It is out of my hands at this point. I shipped it off to the cart shop. I'll post what the issue was when we find out what is going on. SHMO |
08-04-2011, 08:03 AM | #10 |
Getting Wild
Join Date: May 2009
Location: South Fork of The Edisto River, SC
Posts: 86
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Re: Help diagnosing a G22
Any updates on your cart?
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