Sigma Speedo

[evotell]

Urgently need to know what the speedo code is for a 1.6 SV Sigma with 14 inch Minilators, BMW diff. Speedo not working at all.

[michaeljclark]

Was it not in the document that I sent you on the 15th April with all the codes in?

 

If running 185/60 R14's tyres then the input code to enter into the speedo unit should be: 024363

 

 

I'm out at a motor sport event all day, but will try and check in if we get a lunch break

 

Mike

[Stationary M25 Traveller]

If it has the wheel sensor ..... is the cable undamaged and LED on sensor flashing ok ?

[evotell]

Quoting SM25T: 

If it has the wheel sensor ..... is the cable undamaged and LED on sensor flashing ok ?

 

It has the wheel sensor, which appears undamaged, the car is new. The LED sensor seams to be flashing fine. In around 1000km its recorded 8km on the trip and nothing working with the speedo.

[John Vine]

Does this table help?

 

(Btw, it looks like 024363 is a KPH code rather than an MPH one.)

 

JV

 

 

[evotell]

Quoting michaeljclark: 

Was it not in the document that I sent you on the 15th April with all the codes in?

 

If running 185/60 R14's tyres then the input code to enter into the speedo unit should be: 024363

 

 

I'm out at a motor sport event all day, but will try and check in if we get a lunch break

 

Mike

 

Thanks Mike.

[evotell]

Quoting John Vine: 

Does this table help?

 

(Btw, it looks like 024363 is a KPH code rather than an MPH one.)

 

JV

 

 

Thanks for the thought John, but actually that list is for MPH 😳

[John Vine]

If you click on the side arrow, you'll get the KPH one.

 

JV

[evotell]

Quoting John Vine: 

If you click on the side arrow, you'll get the KPH one.

 

JV

 

Got it. 😬

[John Vine]

Sorry about the confusion. I hadn't realised that Canada uses KPH (and has done for over 35 years?). *redface* (And my son used to live in Toronto.)

 

JV

[myothercarsa2cv]

Those driveshaft sensors seem to be quite unreliable. My car uses one of these and as far as I can tell the speedo unit is the same as the Sigma engined cars, so why not use something that is a bit more reliable? Shouldn't be too much of a ball ache to wire in one of these units (if you can find one).

[evotell]

Entered the correct code and still nothing ☹️

[evotell]

Quoting myothercarsa2cv: 

Those driveshaft sensors seem to be quite unreliable. My car uses one of these and as far as I can tell the speedo unit is the same as the Sigma engined cars, so why not use something that is a bit more reliable? Shouldn't be too much of a ball ache to wire in one of these units (if you can find one).

 

The 1.4 SS K Series we have has a gearbox sensor and works fine, although a little fast.

[evotell]

Quoting John Vine: 

Does this table help?

 

(Btw, it looks like 024363 is a KPH code rather than an MPH one.)

 

JV

 

 

Do these codes work the same for the driveshaft sensor speedo and the gearbox mounted sensor? it appears that they both uses the same speedo.

[John Vine]

IME the stepper speedos themselves aren't bullet-proof by any means. I was getting desperate trying to isolate a fault with mine. In the end, CC sent me a new one to try out. It worked perfectly.

 

Can you borrow another speedo from someone? At least that would eliminate one variable.

 

JV

[evotell]

Quoting evotell: 

Quoting John Vine: 

Does this table help?

 

(Btw, it looks like 024363 is a KPH code rather than an MPH one.)

 

JV

 

 

Do these codes work the same for the driveshaft sensor speedo and the gearbox mounted sensor? it appears that they both uses the same speedo.

 

Edited for being a plonker 😳. Now I see it says for Drive Shaft set up, is there one for gearbox set up?

[John Vine]

Quoting evotell: 

... is there one for gearbox set up?

I don't know, but as the code is proportional to wheel revs per mile/km, it might be possible to work it out. There's a suggested method here (at the bottom of the page). I got my code chart from CC themselves (James Gibson), so I imagine they might have the equivalent one for the gearbox-mounted sensor.

 

Re your original comment that 1000km showed on the trip as 8km, you could try inputting a code 024363/125 (that is, 000195) and see what happens. (That seems a bit drastic to me, though. I suspect something else is faulty.)

 

JV

[Garry7]

Have you tried varying the gap between the sensor and the toothed wheel on the driveshaft.

I replaced mine recently, set the gap to 1 mm and nothing. Progressively moved it out wards and bingo, works fine now.

[evotell]

Quoting Garry7: 

Have you tried varying the gap between the sensor and the toothed wheel on the driveshaft.

I replaced mine recently, set the gap to 1 mm and nothing. Progressively moved it out wards and bingo, works fine now.

 

Will give that a try

[evotell]

I think your right JV, its almost certainly another issue.