Friday, 6 June 2014

Yamaha YBR 125 Diagnostic Fault codes










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                                             Fault codes can be read on  the dashboard but
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Fault codes are stored on the ECU , these will be shown via the engine fault light on the dash board
as a series of flashes of the light .

The engine management light will come on for 3 secs every time you start the bike , if the light does not come on replace the bulb at rear of clocks .


Codes are all 2 digit numbers , the first number will be read by long flashes of the light , the second
number of the code with be in short flashes of the light .



Fault code 12 - Crankshaft position sensor

Fault code 13 - Intake air pressure sensor

Fault code 14 - Intake air pressure sensor

Fault code 15 - Throttle position sensor

Fault code 16 - TPS

Fault code 19 - No signal from ignition to ecu

Fault code 22 - Intake air temp sensor

Fault code 28 - Engine temp sensor

Fault code 30 - Tip over sensor

Fault code 33 - Igniton coil

Fault code 39 - Fuel injector

Fault code 41 - Tip over sensor

Fault code 44 - Read write error ECU

Fault code 46 - Power supply error to FI system

Fault code  50 - Ecu malfunction

Fault code  51 - Diagnosis cooling fan motor relay

Fault code  52 - relay diagnostics lamp head light


Yamaha YBR 125 how to read a fault code





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12 comments:

  1. fran6 October 2015 at 12:03

    Hi I have an engine fault but I can't work out which code it is - the engine light comes on for 3 seconds then it turns off and all the electrics too,,,

    ReplyDelete
    Replies
    1. TheWertyu200722 September 2016 at 09:56

      Error code 19 is a problem between the ignition switch and the ECU. Had this recently on my YBR, in most cases its a faulty ignition barrel, so try wiggling the key into different positions before starting to see if this is the problem. It tends to occur in winter where there's lot of condensation or rain in the barrel. For a quick fix, try squirting switch cleaner into the keyhole and letting it settle for 5 mins, then try again.

      Delete
  2. Unknown22 September 2016 at 08:07

    I got 1 long flash then 9 short flashes anyone know what that is ?

    ReplyDelete
    Replies
    1. Anonymous29 November 2016 at 16:37

      Hi Did you ever ressolve this as I have the same fault...1 long then 9 short...thanks

      Delete
    2. NAPOLEON 30 November 2016 at 05:04

      Lots of reports of 19 - are usually faulty ignition or in winter condesation and frost etc destroying contacts .

      Some reports say WD40 and turning key on and of a few time to bclan out worked otherwsie replacement igntion barrel after checking wiring underneath .

      Delete
  3. Anonymous22 March 2018 at 20:18

    what does error code 51 stand for

    ReplyDelete
    Replies
    1. NAPOLEON 23 March 2018 at 02:50

      Its seems this one is a problem with cooling fan relay so quite serious really .

      Delete
  4. Taff Ex G.C.Rly4 June 2018 at 05:54

    error code 19 thats what iv'e had happening ,i'll give a squirt of switch cleaner

    ReplyDelete
  5. Unknown18 January 2020 at 02:55

    I have 5 slow and 5 fast my bike isnt starting using electric start..so thinking maybe something to do with battery or alternator ?

    ReplyDelete
  6. Unknown24 January 2020 at 06:25

    Please help. When I turn on the key and pressed the engine switch to on my engine management light won't turn on. Please help. Xtz125 same engine for ybr125

    ReplyDelete
  7. Unknown22 May 2020 at 15:38

    hi i have 3 long and 9 short but no spark

    ReplyDelete
  8. Unknown6 July 2020 at 03:18

    I had a problem with my YBR... The engine light went on 3 times long and then nothing and then again 3 times long...

    Wich gives you the code: 3 - 0 --> 30
    30 means= tipped over sensor! Look at your tail, there is a sensor that must be up (it's written on it). This fixed my engine light problem and my bike started again like before! Hope this helps anyone in the future!

    ReplyDelete

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