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I've the same problem in my XT660R '06. Any suggestion what to do?
There's no way to get to Diag mode.
In my opinion it's caused by the immo cheater which is mounted in my bike ;/
Can anyone confirm that?

code 46
 

does the engine light also stay on after starting when the bike shows this code?

Hey there!
I can't access diag screen at all. Pressing the select and start buttons I can only change from mph to kmh or adjust the clock.
I've tried pretty much everything. With Engine Run switch OFF & ON etc.
What's the problem?
Bike is brand new 2013 Tenere.
Thanks!

As we all found out unfortunately the Tenere can not be diagnosed or adjusted onboard through the dashboard. Only the XT660R can.
You need a Yamaha F1 Diagnostic tool for the Tenere.

Very sad.. Thanks!

Hello, I have an MT03 that I would like to adjust co/fuel settings on. It is not possible to do this through the dash, although I have purchased an F1 Diag tool. Does anyone have experience using the diag meter and would you please walk me through this. Would be greatly appreciated. I bought the Bike second hand, it has a PCV on it but compared to my previous (crashed) MT03 it runs like a shoe full of rocks. Thanks in advance :)

I could walk you through the procedure with my 660Z but donno if this is the correct thread (Diagnostic Codes). With permission from the Moderators?

Firstly, it is highly unlikely that the CO adjustment will be the cause of your rough running as it only adjusts the fuelling at very small throttle openings (up to 2%). Also, the stock CO setting, ECU, maps and fuelling on the MT-03 and XT660Z (which are fundamentally the same) are generally pretty good. Very few people find the need to adjust the CO, unlike on the XT660R/X models which are more prone to surging and cutting out.

I would suggest that whatever map is loaded in the PCV is more likely the issue. Before you do any fiddling, I would recommend loading a "zero" map (0 in all the trim cells) into the PCV so effectively you're taking the PCV out of the equation and running the stock fuelling. See if it runs better like this first.

Below is a brief guide to using the FI tool that may be of help to get you started, but as I've mentioned, try running the stock fuelling first.

1. Make sure ignition is in the OFF position.
   
2. Remove the cap and connect the diagnostic tool to the pin connector under the seat.
   
3. Whilst holding down the MODE button, turn the ignition ON. “DIAG” will appear in the screen and the LED will turn green.
   
4. Use the UP button to select either “CO” mode or “DIAG” mode (you can toggle between the two).
   
5. Press MODE again to select which you want.

If you select “CO”, you can simply adjust the CO up or down (but make sure you note down the original setting first so you can always return back to it).

If you select “DIAG”, you can scroll up and down the various diagnostic functions and tests by their code. The list is long and you really need the service manual for the specifics of each diagnostic operation, but here’s a list of what the codes are:

D01 – Throttle Angle
D03 – Intake Air Pressure
D05 – Intake Air Temperature
D06 – Coolant Temperature
D07 – Speed Sensor Pulse
D08 – Lean Angle Cut-Off Switch
D09 – Fuel System Voltage (battery voltage)
D20 – Sidestand Switch
D21 – Neutral Switch
D30 – Ignition Coil
D36 – Fuel Injector
D48 – Air Induction System
D50 – Fuel Injection Relay
D51 – Radiator Fan Relay
D52 – Headlight Relay
D60 – E2PROM Fault Code Display
D61 – Multifunction History Code Display
D62 – Multifunction History Code Erase
D63 – Multifunction Code Reinstate (for fault code 24 only)
D70 – Control Number

You don't need anyone's permission Dirk - if it's constructive, just post it! ;)

what does error 4 mean ?