8 - 33– +ELECELECTRICAL CONTROL SYSTEMDIAGNOSIS MODEThere are two operation methods for this mode: one is performed using the CO, diagnosisswitch box, the other is performed using the test coupler adapter. With the CO, diagnosisswitch box method, the switches on the CO, diagnosis switch box are used. With the test cou-pler adapter method, the start switch and the engine stop switch are used. The procedures forselecting and using each method is explained below.NOTE:The engine cannot be started, the vehicle cannot be ridden, and no other mode can beselected while either of the diagnosis mode operation methods is being performed.CO, diagnosis switch box method• Remove the bottom cowling and the frontcowling.Refer to “COWLINGS” in chapter 3.• Remove the protection cap 1 from the EFItest coupler 2.• Connect the CO, diagnosis switch box 3to the EFI test coupler 2.• Turn the main switch to “ON”.• Turn the engine stop switch to “ ”.• Within 4 seconds, press the followingswitches on the CO, diagnosis switch boxin the order indicated to enter the diagno-sis mode.4 MODE switch = 15 UP switch = 26 DOWN switch = 31 → 2 → 1 → 3 → 1 → 2 → 1 → 3 → 1 → 2 →1 → 3The warning light flashes when the unit hasentered the diagnosis mode.NOTE:Turn the main switch to “OFF” to cancel thediagnosis mode.CO, diagnosis switch box90890-03171
