Electrical System - Yamaha MTN850-A 2017 Service Manual

ELECTRICAL SYSTEM

IGNITION SYSTEM ..........................................................................................8-1
CIRCUIT DIAGRAM ...................................................................................8-1
ENGINE STOPPING DUE TO SIDESTAND OPERATION........................8-3
TROUBLESHOOTING ...............................................................................8-5
ELECTRIC STARTING SYSTEM .....................................................................8-7
CIRCUIT DIAGRAM ...................................................................................8-7
STARTING CIRCUIT CUT-OFF SYSTEM OPERATION ...........................8-9
TROUBLESHOOTING .............................................................................8-11
CHARGING SYSTEM.....................................................................................8-13
CIRCUIT DIAGRAM .................................................................................8-13
TROUBLESHOOTING .............................................................................8-15
LIGHTING SYSTEM .......................................................................................8-17
CIRCUIT DIAGRAM .................................................................................8-17
TROUBLESHOOTING .............................................................................8-19
SIGNALING SYSTEM ....................................................................................8-21
CIRCUIT DIAGRAM .................................................................................8-21
TROUBLESHOOTING .............................................................................8-23
COOLING SYSTEM........................................................................................8-29
CIRCUIT DIAGRAM .................................................................................8-29
TROUBLESHOOTING .............................................................................8-31
FUEL INJECTION SYSTEM...........................................................................8-33
CIRCUIT DIAGRAM .................................................................................8-33
ECU SELF-DIAGNOSTIC FUNCTION.....................................................8-35
TROUBLESHOOTING METHOD.............................................................8-35
YAMAHA DIAGNOSTIC TOOL ................................................................8-36
TROUBLESHOOTING DETAILS (FAULT CODE) ...................................8-37
FUEL PUMP SYSTEM..................................................................................8-105
CIRCUIT DIAGRAM ...............................................................................8-105
TROUBLESHOOTING ...........................................................................8-107
IMMOBILIZER SYSTEM...............................................................................8-109
CIRCUIT DIAGRAM ...............................................................................8-109
GENERAL INFORMATION ....................................................................8-111
PARTS REPLACEMENT AND KEY CODE REGISTRATION
REQUIREMENTS..................................................................................8-111
TROUBLESHOOTING ...........................................................................8-115
SELF-DIAGNOSIS FAULT CODE INDICATION....................................8-115
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