Self Diagnostic - Yamaha TMAX 2020 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 ........................................................9-3
PARTS CONNECTED TO THE ABS ECU................................................ 9-4
PRECAUTIONS FOR ROAD TEST .......................................................... 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 ..................................... 9-16
[A] THE MIL COMES ON/FLASHES AND ENGINE OPERATION IS
NOT NORMAL........................................................................................ 9-17
[B] THE MIL DOES NOT COME ON, BUT THE ENGINE OPERATION
IS NOT NORMAL ...................................................................................9-17
CRUISE CONTROL SYSTEM (for XP560D) ................................................ 9-18
CIRCUIT DIAGRAM ................................................................................ 9-18
CRUISE CONTROL CIRCUIT OPERATION...........................................9-20
BASIC INSTRUCTIONS FOR TROUBLESHOOTING ............................ 9-21
BASIC PROCESS FOR TROUBLESHOOTING ..................................... 9-22
[A] CHECKING THE CRUISE CONTROL SYSTEM INDICATOR
LIGHT ..................................................................................................... 9-23
[B-1] DIAGNOSIS USING THE DTC .......................................................9-23
[B-2] DIAGNOSIS USING THE MALFUNCTION HISTORY CODES...... 9-23
[B-3] MALFUNCTION HISTORY IS NOT DISPLAYED........................... 9-23
[C-1] ERASING THE DTC ....................................................................... 9-25
[C-2] FINAL CHECK ................................................................................ 9-25
ABS (Anti-lock Brake System) .................................................................... 9-26
CIRCUIT DIAGRAM ................................................................................ 9-26
ABS COMPONENTS CHART .................................................................9-30
ABS COUPLER LOCATION CHART ......................................................9-31
MAINTENANCE OF THE ABS ECU .......................................................9-32
ABS TROUBLESHOOTING OUTLINE....................................................9-32
BASIC INSTRUCTIONS FOR TROUBLESHOOTING ............................ 9-33
[A] CHECKING THE ABS WARNING LIGHT..........................................9-35
[A-1] ONLY THE ABS WARNING LIGHT FAILS TO COME ON............. 9-35
[A-2] ALL INDICATOR LIGHTS FAIL TO COME ON ..............................9-35
[A-3] THE ABS WARNING LIGHT COMES ON ...................................... 9-35
[A-4] ONLY THE ABS ECU FAILS TO COMMUNICATE ........................ 9-35

SELF DIAGNOSTIC

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