2006 Honda TRX680 Rincon Factory Service Manual, Page 130Get this manual
FUEL SYSTEM (PGM-FI) MIL Blink Pattern If the HDS pocket tester is not available, DTC can be read from the PCM memory by the MIL blink pattern The number of MIL blinks is the equivalent the main code of the DTC (the sub code cannot be displayed by the MIL) The MIL will blink the current DTC, in case the PCM detects the problem at present, when the ignition switch ON or idlingThe MIL will stay ON when driving (engine speed is over 2,000 rpm (min ')) The MIL has two types of blinks, long blink and short blinkThe long blinking lasts for 1.3 seconds, the short blinking lasts for 0.5 secondsOne long blink is the equivalent of ten short blinksFor example, when two long blinks are followed by five short blinks, the MIL is 25 (two long blinks20 blinks, plus five short blinks) When the PCM stores more than one DTC, the MIL will indicate them by blinking in the order from the lowest number to highest numberMIL Check When the ignition switch is turned ON and engine stop switch is "O", the MIL will stay on for few seconds, then go offIf the MIL does not come on, troubleshoot the MIL circuit (page 6-31)CURRENT DTCFREEZE DTC The DTC is indicated in two ways according to the failure status In case the PCM detects the problem at present, the MIL will come on and the MIL will start to blink as its DTCIt is possible to readout the MIL blink pattern as the current DTC In case the PCM does not detect any problem at present but has problem stored in its memory, the MIL will not light and blinkIf it is necessary to retrieve the past problem, readout the freeze DTC by following the DTC readout procedure