RhinoPower Ltd

TechSupport · Guru

Fuel Trims on 1902 ECU

balwant · Newbie

how you find NODE_id of ECU

pancho · Member

My ECu is 33920-65DD4, 1902ID, GV with Auto/Trans.

Just in case could be useful, in Raw word #40 I saw these values for selection lever positions:

P 4
R 8
N 16
D 32
2 64
L 128

At Raw word #42 (normal value zero)

Overdrive switch On = 4
Brake pedal press= 1
Overdrive sw + Brake pedal = 5

TechSupport · Guru

I'll check the definition again, there is a version that has no emissions equipment.

pancho · Member

Thank you for your fast reply,
That seems not to be the problem

First I tested with RV 0.6, 1.1 and 1.2 , only RV 0.6 gave me the floating point error,

I changed Windows to English USA settings, now no more floating point error in 0.6,

but always not showing the trims values in all versions.

I saw always value zero in word #9,

from begining value 150 in Raw format for word #10,

and after some time running, value 9 for #11.

This seems to be coherent, but never displayed the values in main window or Format data in the Data Viewer..

Maybe is different logic in cars with/ without O2 sensor?

Cheers

TechSupport · Guru

That may be problem with the way that Windows handles the decimal point, please see this thread:

rhinopower.activeboard.com/t38096087/floating-point-errors/

pancho · Member

Hi everybody
My ECU is a 1902 ID, the J20 motor of my GV2000 has Oxigen sensor at the tailpipe manifold..

In the main screen of RV these two parameters are without value, even zero: TFT, LTFT

In the parameters view the STFT, LTFT and TFT are Zero, but not in the format screen..

Images attached..

Something can be done to read the values?

Thank you..