Twin Tec 1005 - Troubleshooting Flowchart

Daytona Twin Tec LLC, 933 Beville Road, Suite 101-H, S. Daytona, FL 32119 Model 1005
(386) 304-0700 www.daytona-twintec.com
5/2015
Page 10
Troubleshooting Flowchart
REPAIR UNDERLYING PROBLEM
BEFORE INSTALLING TWIN TEC MODULE.
REFER TO MOTORCYCLE SERVICE MANUAL.
TURN IGNITION ON. SET ENGINE
SWITCH TO RUN. CRANK ENGINE. DOES
RED STATUS LED FLASH?
NO YES
NOYES
STARTING
POINT
DID THE ENGINE RUN PROPERLY
BEFORE INSTALLATION OF THE
TWIN TEC MODULE?
NO
CHECK FOR +12V POWER AT MODULE
(WHITE WIRE WITH BLACK STRIPE AT
CONNECTOR). IS +12V POWER OK?
REPAIR WIRING PROBLEM.
REFER TO MOTORCYCLE
SERVICE MANUAL.
YES
REPLACE TWIN
TEC MODULE
DOES ENGINE START?
NO YES
NO YES
YES NO
DOES ENGINE STOP OR DROP
CYLINDER AFTER SEVERAL
MINUTES OF RUNNING?
REPLACE COIL.
IS PROBLEM FIXED?
DONE
REPLACE TWIN
TEC MODULE
DOES ENGINE MISFIRE
UNDER LOAD?
YESNO
NOYES
CHECK FOR MINIMUM +13V AT
COIL+ WITH ENGINE RUNNING
AT 2000 RPM. IS VOLTAGE OK?
INSTALL POWER RELAY
KIT. CALL TECH SUPPORT
FOR DETAILS.
NO
YES
YES
NO
DOES ENGINE MISFIRE
AT PART THROTTLE OR
WHILE COLD?
FOR MISC PROBLEMS,
CALL TECH SUPPPORT.
CHECK FOR INCORRECT CARB
JETTING OR INTAKE LEAK.
IS PROBLEM FIXED?
DONE
REPLACE TWIN
TEC MODULE
YES NO
CHECK FOR LOW BATTERY, NO FUEL,
OR FOULED SPARK PLUGS.
ANY OBVIOUS FAULT FOUND?
CORRECT FAULT
YES NO
SINGLE FIRE ONLY. INSTALL POWER
RELAY KIT. CALL TECH SUPPORT FOR
DETAILS. IS PROBLEM FIXED?
DONE
YES NO
REPLACE COIL.
IS PROBLEM FIXED?
REPLACE TWIN
TEC MODULE
DONE
NOYES
REPLACE SPARK PLUGS,
SPARK PLUG WIRES, AND COIL
IS PROBLEM FIXED?
DONE
REPLACE TWIN
TEC MODULE