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Trouble Shooting

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  • Trouble Shooting
Q&A
  • Trouble Shooting
  • Malf Codes List
  • X TUNE Instructions
  • Tuning by stock narrowband O2 sensor?
  • T-Power Spark Plug Description
  • aRacer ECU Comparison List
■ Vespa ECU Kit and Ignition Coil Installation Instructions
■ SpeedTuningX Attentions
  • Common problems that have been unable to connect with ECU / QB update & flash problem (by WiFi):

  1. Please make sure that the mobile phone / PC WiFi is turned on and the name of the connected ECU is correct

  2. Reboot ECU power & SpeedTuning X & X Tune APP or PC/Mobile reboot

  3. Are iLink, bLink, CubeG and other products connected to the ECU?

  4. Please confirm SpeedTuning X version & QB download version first: Because of the use of WiFi connection, users may not be able to connect to the Internet to keep the latest version Provide ECU information page on SpeedTuning X / X Tune to help clarify possible problems

  5. Using the network AP but unable to connect to the ECU (SpeedTuning X can see the ECU name), but the direct connection to the ECU is normal:The AP cannot make the ECU go online for unknown reasons, please switch the AP (WiFi sharer) again

  6. Unable to update ECU software using QB:If the PC is directly connected to the ECU, the PC cannot access the Internet via WiFi. Please download the QB data before connecting.Or use the network AP method to download QB online

  7. Unable to burn QB software (stop updating after burning 90%):Update WiFi IC firmware (please keep PC online)

  8. Manually clear WiFi password function (under Key On & Stall, full throttle for 60sec, can only be executed once at a time) (name cannot be cleared)

  • Common problems that cannot be connected/programmed through Pro-Link and ECU:

  1. Please make sure that SpeedTuning X can see that Pro-Link is already in the connection list

  2. Replug the Pro-Link

■ Software cannot be installed
1. Install software by another laptop
2. Operation systems not the Win7/Win8/Win 10 and XP SP3
3. iLink software have to be install in laptop.
4. Remove software and re-install again
■ What ecu can use speedtuning super software

There is only RC/RS Super series ecu can be used SpeedTuning Super software

■ I don't know where the series number is, when I install the SpeedTuning software

There is a series number of sliver tag on the ECU warranty card

■ What is meaning of level 1/2/3 in the speedtuning opening
Level 1, Basic engine parameters can be tuned
Level 2, major engine parameters can be tuned, we recommand you start tuning from this level
Level 3, very detail engine parameters can be tuned
■ It cannot link with ECU
1. you don't click the link icon on the speedtuning
2. iLink driver don't install, please re-install Speedtuning
3. If you cannot click the link icon on the speedtuning, maybe the iLink cable was damaged
4. If you employed 1 to 4 extend cable, maybe the 1 to 4 extend cable was damaged
5. The power of bike not be switched to on
6. If the ECU is RC2, please make sure you had switch it to communication mode
7. If you make sure you switch to communication mode already, please check the iLink again
8. You may can link to ecu by Quickburn to test the link issue

You cannot upload the engine parameters to speedtuning when you tuning
Please check you the status of Speedtuning that switch to AutoTune or not, if yes, please turn off it
■ The stock dashboard cannot work with RC2 ECU (Old aRacer ecu have two pins connector)

Please make sure you already switch the ecu to dashboard display mode

■ I cannot find the log data by ecu memory control

The default log file saving location is in C:Program Files (x86)aRacer ToolsLogSave, or you can save as to other location

■ It is hard to start the engine today, but it have no this issues in yesterday
1. First have to check the fuel injection and ignition are working well
2. Please make sure the sof and amp/amr/ams file are the suitable for your bike
3. If you are the first time to start engine with aRacer ecu, please make sure you already key on for a while and key off for ten seconds to reset the ecu.
4. If you can start engine with a little open the throttle, maybe the fuel of the cold start have to be tuned.
5. Please link with the laptop by iLink, open the speedtuning and check the parameter Miss_CRK_Cnt(Crank missing counter) have increase, if yes, you have to follow solution of crank missing count
■ The motorcycle engine can not running well, the Miss_CRK_Cnt) is continue to increase

1. The gap between crank sensor and tooth is incorrect, the spec is 0.5~1.1mm.
2. Generator rotor have to be tooled, have to change it.
3. Regulator damage, you can plug off the regulator to try it
4. If you change the main wire harness, it may happen the wire in the crank sensor connector are reversed.
5. Flash to wrong sof file may cause the coil or ecu damage, please make sure the sof you flash is suitable for your motorcycle
6. Please check the intake and exhaust valve clearance is suitable.

■ Idle rpm is too high after engine start

1. If you saw the "ISC air flow" in speedtuning is too big(normal is 20~40), you can follow below step to fix it:
    1.1 Re flash the SOF and AMS/AMP file in speedtuning
    1.2 When engine key on, turn off and turn on 10 times in 15 seconds and key off the engine

2. If the "ISC air flow" in speedtuning is too small, maybe the intake air have leak air, please check the throttle body, intake manifold, you can use the throttle body cleaner to spay on all the intake area, if the idle rpm change suddenly, it is mean the intake leak air, please fix it.


 

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