Reluctant "GO" Symbol

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LeftieBiker
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Reluctant "GO" Symbol

I've had my Leaf-powered 2009 VX-1 for several years now, but this year a problem is developing: it's taking multiple tries to get the "GO" symbol to light and the bike to enter Ready mode. Is this a dirty encoder? If so, how can I clean it with canned air without removing it? If not, any ideas...? Do I need to avoid dirt roads with this bike?

martinwinlow
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Re: Reluctant "GO" Symbol

It is more likely to be a misaligned throttle neutral position. It's easy enough to check and to fix.

From the service manual:-

"Regen Throttle Position Checking Procedure
S-RW-100000
Without PC
Note: This procedure is to be used when a PC is not available. This adjustment MUST be verified using the PC method.
1. Place the ignition key in the ON position and the kill switch in the ON (non-run) position.
2. Squeeze the left side brake lever and observe the speedometer needle (1). This reading is the actual setting of the regen throttle.
3. Continue to squeeze the left side and then squeeze the right side brake lever and observe the speedometer needle. This is the required setting and what the actual reading in step 3 must be set to. If the settings are not the same refer to Regen Throttle Adjustment Procedure."

According to the picture in the service manual copy I have, on my machine (with the main speedo in kph) it should be reading '44'. However, the link below from Vectrixparts shows the kph reading as being 42. The best thing is to get the diagnostic cable and adjust it with the help of the diagnostic software.

For completeness:-
"1. Connect the Diagnostic Hardware. Refer to Diagnostic Hardware Connections.
2. Open the Vectrix diagnostic program, by clicking on the ScooterDiag icon. This will open up the Scooter Diagnostics Summary page.
3. Within the General Information box, click on the “Show Instrument” button. This will open up an instrument cluster page.
4. In the lower center of the page is the throttle setting. This setting color should be in the green, if the color is red the throttle is out of adjustment and must be adjusted. Refer to Regen Throttle Adjustment Procedure.
VX-VS-073: 2008 Vectrix VX-1 Service Manual
Version 1.3 "

Link to effect adjustment, should it be necessary: https://vectrixparts.userecho.com/knowledge-bases/2/articles/676-regen-throttle-sensor-adjustment

Regards, Martin Winlow
Isle of Colonsay, Scotland
evalbum.com/2092

MOSFETmeltdown
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Re: Reluctant "GO" Symbol

Or sticking brake switch?

Bikemad
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Re: Reluctant "GO" Symbol

Mine was caused by wear on the brake lever pivots and where the plungers of the brake switches make contact, and this caused the brake light to come on occasionally with the lever released.
If your rear brake light comes on when you gently wiggle the brake levers up and down (without actually pulling them) then it could be the cause of the reluctant "GO" symbol problem that you are currently experiencing.

I simply stuck a couple of small pieces of aluminium foil tape over the dimple worn into the brake levers and the problem disappeared.

A small blob of 5 minute epoxy would probably be a better solution. Simply tie the lever back to the handlebar grip (or remove the pivot bolt and take the lever off completely) and then thoroughly degrease the dimple area before slightly roughing it with sandpaper so the epoxy can grip.
A small blob is all that will be required, and it can be easily filed/sanded after it has hardened if it is too large.

According to the picture in the service manual copy I have, on my machine (with the main speedo in kph) it should be reading '44'. However, the link below from Vectrixparts shows the kph reading as being 42.

Mine is currently exactly the same, 42 when I pull the left lever and 44 when I aslo pull the right one.
When I last adjusted it using the diagnostic program it was set as near to the mid position as I could get it, as shown below:

//i.imgur.com/xETrLxD.png)

I needed to adjust mine because the motor would cut out if I twisted the throttle too hard, which was very embarrassing (and incredibly dangerous) when trying to overtake other vehicles whilst going up steep hills.

Alan

LeftieBiker
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Joined: Saturday, July 9, 2011 - 04:36
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Re: Reluctant "GO" Symbol

Thanks, guys! I have the software - fingers crossed that the laptop on which it's installed still works! - and will check first the brake light activation switches and then, if needed, the throttle position, this coming week. I'm hoping for an easy fix, because I can barely walk these days, and working on machines isn't easy for me.

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