Self Diagnostic - Yamaha XSR 900 2022 Service Manual

SELF-DIAGNOSTIC FUNCTION..................................................................... 9-1
GLOSSARY............................................................................................... 9-1
OUTLINE ...................................................................................................9-1
CHECKING THE WARNING LIGHT .........................................................9-2
YDT ...........................................................................................................9-3
PARTS CONNECTED TO THE ECU ........................................................9-4
PARTS CONNECTED TO THE ABS ECU................................................ 9-4
PRECAUTIONS FOR ROAD TEST .......................................................... 9-4
COPE WITH THE MIL FLASHING ............................................................ 9-4
SYSTEM DIAGRAM ........................................................................................9-5
ECU CIRCUIT DIAGRAM..........................................................................9-5
ECU COUPLER LAYOUT ......................................................................... 9-8
FUEL INJECTION SYSTEM..........................................................................9-12
CIRCUIT DIAGRAM ................................................................................ 9-12
BASIC PROCESS FOR TROUBLESHOOTING ..................................... 9-14
[A] THE MIL COMES ON/FLASHES AND ENGINE OPERATION IS
NOT NORMAL........................................................................................ 9-15
[B] THE MIL DOES NOT COME ON, BUT THE ENGINE OPERATION
IS NOT NORMAL ...................................................................................9-15
IMMOBILIZER SYSTEM................................................................................ 9-16
CIRCUIT DIAGRAM ................................................................................ 9-16
SYSTEM OUTLINE ................................................................................. 9-18
PART REPLACEMENT AND KEY CODE REGISTRATION
REQUIREMENTS...................................................................................9-19
TROUBLESHOOTING ............................................................................9-22
HOW TO CHECK DTC............................................................................9-23
CRUISE CONTROL SYSTEM ....................................................................... 9-24
CIRCUIT DIAGRAM ................................................................................ 9-24
CRUISE CONTROL CIRCUIT OPERATION...........................................9-26
BASIC INSTRUCTIONS FOR TROUBLESHOOTING ............................ 9-27
BASIC PROCESS FOR TROUBLESHOOTING ..................................... 9-28
[A] CHECKING THE CRUISE CONTROL SYSTEM INDICATOR
LIGHT ..................................................................................................... 9-29
[B-1] DIAGNOSIS USING THE DTC .......................................................9-29
[B-2] DIAGNOSIS USING THE MALFUNCTION HISTORY CODES...... 9-29
[B-3] MALFUNCTION HISTORY IS NOT DISPLAYED........................... 9-29
[C-1] ERASING THE DTC ....................................................................... 9-30
[C-2] FINAL CHECK ................................................................................ 9-30

SELF DIAGNOSTIC

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