Yamaha N MAX GPD150-A 2015 Service Manual page 324

ABS (ANTI-LOCK BRAKE SYSTEM)...........................................................8-61
CIRCUIT DIAGRAM ................................................................................8-61
ABS COUPLER LOCATION CHART ...................................................... 8-63
MAINTENANCE OF THE ABS ECU .......................................................8-65
ABS TROUBLESHOOTING OUTLINE....................................................8-65
BASIC INSTRUCTIONS FOR TROUBLESHOOTING ............................8-66
BASIC PROCESS FOR TROUBLESHOOTING .....................................8-67
[A] CHECKING THE ABS WARNING LIGHT ..........................................8-68
[A-1] ONLY THE ABS WARNING LIGHT FAILS TO COME ON.............8-68
[A-2] ALL INDICATOR LIGHTS FAIL TO COME ON ..............................8-68
[A-3] THE ABS WARNING LIGHT COMES ON ......................................8-68
[A-4] ONLY THE ABS ECU FAILS TO COMMUNICATE
(The select unit screen does not appear.) ..............................................8-69
[A-5] ABS ECU AND FI ECU FAIL TO COMMUNICATE
(Cannot connect due to a tool error.)...................................................... 8-69
[B-1] MALFUNCTION ARE CURRENTLY DETECTED ..........................8-69
[B-2] DIAGNOSIS USING THE FAULT CODES .....................................8-69
[B-3] DELETING THE FAULT CODES....................................................8-90
[C-1] FINAL CHECK ................................................................................8-91
ELECTRICAL COMPONENTS......................................................................8-93
CHECKING THE SWITCHES ................................................................. 8-95
CHECKING THE BULBS AND BULB SOCKETS ...................................8-98
CHECKING THE FUSES ........................................................................8-99
REPLACING THE ECU (engine control unit) ..........................................8-99
CHECKING AND CHARGING THE BATTERY .......................................8-99
CHECKING THE RELAYS ....................................................................8-102
CHECKING THE TURN SIGNAL RELAY .............................................8-103
CHECKING THE DIODE .......................................................................8-103
CHECKING THE SPARK PLUG CAP ...................................................8-104
CHECKING THE IGNITION COIL .........................................................8-104
CHECKING THE IGNITION SPARK GAP.............................................8-105
CHECKING THE CRANKSHAFT POSITION SENSOR........................8-105
CHECKING THE STARTER MOTOR OPERATION .............................8-106
CHECKING THE STATOR COIL ..........................................................8-106
CHECKING THE RECTIFIER/REGULATOR ........................................8-106
CHECKING THE FUEL SENDER .........................................................8-107
CHECKING THE FUEL METER/FUEL LEVEL WARNING
INDICATOR ..........................................................................................8-107
CHECKING THE COOLANT TEMPERATURE SENSOR..................... 8-108
CHECKING THE FUEL INJECTOR ...................................................... 8-108
CHECKING THE VVA SOLENOID........................................................8-109