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FI
FUEL INJECTION SYSTEM
Diagnosis mode troubleshooting 2 (self-diagnostic malfunction not detected)
Even if the malfunctions of some of the sensors do not appear on the meter because they are not
detected by the self-diagnostic function, they can be inspected in the diagnosis mode.
Basic procedure
Troubleshooting details
Troubleshooting the sensors with no malfunctions detected, and special indications
Check the condition and the symptom of the malfunction of the motorcycle.
Check the errors displayed on the meter.
Estimate the area of the malfunction by referring to the troubleshooting details.
Refer to “Troubleshooting details”.
If there is a diagnostic code number for the inspection method for the probable location of the mal-
function, check the operating condition of the affected sensor or actuator in the diagnosis mode.
Using the results of the diagnosis mode inspection as reference, estimate the cause of the mal-
function and carry out the inspection and repair of the affected area.
Symptom The engine trouble warning light does not illuminate when the start switch is pressed.
Probable mal-
function area
• Open or short circuit in start switch
• Open or short circuit in wiring harness
• Open circuit in warning light bulb
Inspection method 1
Inspection by diagnosis mode
Inspection method 2
Inspection of a malfunction that cannot be identified in the
diagnosis mode, and in case the area of the malfunction has
been narrowed down in the inspection method 1 indicated on
the left.
• Open or short circuit in start switch
Inspect the handlebar switch for continuity.
Refer to “CHECKING THE SWITCHES” in chapter 8.
Defective: replace
• Open or short circuit in wiring harness
Inspect the wiring harness and couplers for continuity.
Defective: repair or replace
• Open circuit in warning light bulb
Inspect the bulb for continuity.
Defective: replace