Yamaha TRACER MT09TRA Service Manual page 390

ABS (ANTI-LOCK BRAKE SYSTEM)............................................................8-91
CIRCUIT DIAGRAM .................................................................................8-91
ABS COMPONENTS CHART ..................................................................8-93
ABS COUPLER LOCATION CHART .......................................................8-95
MAINTENANCE OF THE ABS ECU ........................................................8-97
ABS TROUBLESHOOTING OUTLINE.....................................................8-97
BASIC INSTRUCTIONS FOR TROUBLESHOOTING .............................8-98
BASIC PROCESS FOR TROUBLESHOOTING ......................................8-99
[A] CHECKING THE ABS WARNING LIGHT.........................................8-100
[A-1] ONLY THE ABS WARNING LIGHT FAILS TO COME ON............8-100
[A-2] THE ABS WARNING LIGHT AND OTHER INDICATOR
LIGHTS FAIL TO COME ON .................................................................8-100
[A-3] THE ABS WARNING LIGHT COMES ON .....................................8-100
[A-4] ONLY THE ABS ECU FAILS TO COMMUNICATE .......................8-101
[A-5] ABS ECU AND FI ECU FAIL TO COMMUNICATE .......................8-101
[B-1] MALFUNCTION ARE CURRENTLY DETECTED .........................8-101
[B-2] DIAGNOSIS USING THE FAULT CODES ....................................8-101
[B-3] DELETING THE FAULT CODES...................................................8-122
[C-1] FINAL CHECK ...............................................................................8-122
ELECTRICAL COMPONENTS.....................................................................8-123
CHECKING THE SWITCHES ................................................................8-127
CHECKING THE BULBS AND BULB SOCKETS ..................................8-130
CHECKING THE FUSES .......................................................................8-131
REPLACING THE ECU (engine control unit) .........................................8-132
CHECKING AND CHARGING THE BATTERY......................................8-132
CHECKING THE RELAYS .....................................................................8-135
CHECKING THE TURN SIGNAL/HAZARD RELAY...............................8-136
CHECKING THE RELAY UNIT (DIODE) ...............................................8-137
CHECKING THE IGNITION COILS........................................................8-138
CHECKING THE IGNITION SPARK GAP..............................................8-138
CHECKING THE CRANKSHAFT POSITION SENSOR.........................8-139
CHECKING THE LEAN ANGLE SENSOR.............................................8-139
CHECKING THE STARTER MOTOR OPERATION ..............................8-140
CHECKING THE STATOR COIL ...........................................................8-140
CHECKING THE RECTIFIER/REGULATOR .........................................8-140
CHECKING THE HORN.........................................................................8-141
CHECKING THE ENGINE OIL LEVEL SWITCH ...................................8-142
CHECKING THE FUEL SENDER ..........................................................8-142
CHECKING THE FUEL METER/FUEL LEVEL WARNING LIGHT ........8-143
CHECKING THE OIL LEVEL WARNING LIGHT ...................................8-143
CHECKING THE RADIATOR FAN MOTOR ..........................................8-143
CHECKING THE COOLANT TEMPERATURE SENSOR......................8-144
CHECKING THE THROTTLE POSITION SENSOR ..............................8-144
CHECKING THE ACCELERATOR POSITION SENSOR ......................8-145
CHECKING THE THROTTLE SERVO MOTOR ....................................8-145
CHECKING THE AIR INDUCTION SYSTEM SOLENOID .....................8-146
CHECKING THE INTAKE AIR PRESSURE SENSOR ..........................8-146
CHECKING THE INTAKE AIR TEMPERATURE SENSOR ...................8-147
CHECKING THE GEAR POSITION SWITCH........................................8-147
CHECKING THE FUEL INJECTORS.....................................................8-148