2007-2008 Yamaha Phazer Venture-Lite 500 Factory Service Manual, Page 263Get this manual

2007-2008 Yamaha Phazer Venture-Lite 500 Factory Service Manual, Page 263

FUEL INJECTION SYSTEM ECU SELF-DIAGNOSTIC FUNCTION The ECU is equipped with self-diagnostic function in order to ensure that
the lowest fault code number appears on the odometertripmeter LCDOnce fault code has been displayed, it remains stored in
the memory of the ECU until it is deleted SELF-DIAGNOSTIC FUNCTION TABLE If the ECU detects an abnormal signal from sensor
while the vehicle is being driven, the warning light and self-diagnosis warning indicator come on to alert the rider that
malfunction has occurred and the ECU provides the engine with alternate operating instructions that are appropriate for the
type of malfunctionWhen an abnormal signal is received from sensor, the ECU processes the specified values that are programmed
for each sensor in order to provide the engine with alternate operating instructions that enable the engine to continue to
operate or stop operating, depending on the conditionsSelf-Diagnostic-Function table Fault code No11 12 13 14 15 16 21 22