SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
9-63
42
Rear wheel ABS (intermit-
tent wheel speed pulses or
incorrect depressurization)
• Pulses from the rear wheel
sensor are received inter-
mittently while the vehicle
is traveling.
• Rear wheel will not recover
from the locking tendency
even though the signal is
transmitted from the ABS
ECU to reduce the hydrau-
lic pressure.
• Incorrect installation of the
rear wheel sensor
• Incorrect rotation of the
rear wheel
• Rear brake dragging
• Defective hydraulic unit as-
sembly
43*
45*
Front wheel sensor (missing
pulses)
Front wheel sensor signal is
not received properly. (Miss-
ing pulses are detected in
the signal while the vehicle is
traveling.)
• Foreign material adhered
around the front wheel sen-
sor
• Incorrect installation of the
front wheel
• Defective sensor rotor or
incorrect installation of the
rotor
• Defective front wheel sen-
sor or incorrect installation
of the sensor
44*
46*
Rear wheel sensor (missing
pulses)
Rear wheel sensor signal is
not received properly. (Miss-
ing pulses are detected in
the signal while the vehicle is
traveling.)
• Foreign material adhered
around the rear wheel sen-
sor
• Incorrect installation of the
rear wheel
• Defective sensor rotor or
incorrect installation of the
rotor
• Defective rear wheel sen-
sor or incorrect installation
of the sensor
51
Vehicle system power supply
(voltage of ABS ECU power
supply is high)
Power voltage supplied to
the ABS ECU in the hydrau-
lic unit assembly is too high.
• Defective battery
• Disconnected battery ter-
minal
• Defective charging system
53
Vehicle system power supply
(voltage of ABS ECU power
supply is low)
Power voltage supplied to
the ABS ECU in the hydrau-
lic unit assembly is too low.
• Defective battery
• Defective coupler between
the battery and the hydrau-
lic unit assembly
• Open or short circuit in the
wire harness between the
battery and the hydraulic
unit assembly
• Defective charging system
55
Hydraulic unit assembly (de-
fective ABS ECU)
Abnormal data is detected in
the hydraulic unit assembly.
• Defective hydraulic unit as-
sembly
56
Hydraulic unit assembly (ab-
normal internal circuit)
Abnormality detected in of
hydraulic unit assembly.
• Defective hydraulic unit as-
sembly
DTC
Item
Symptom
Check point
Summary of Contents for YZF-R1 2020
Page 1: ...2020 SERVICE MANUAL YZF R1 YZF R1M YZF1000L YZF1000 YZF1000DL YZF1000D B3L 28197 20 ...
Page 2: ......
Page 6: ......
Page 8: ......
Page 38: ...SPECIAL TOOLS 1 29 ...
Page 55: ...TIGHTENING TORQUES 2 16 ...
Page 60: ...CABLE ROUTING 2 21 Frame rear right side view B A C D 2 1 2 3 4 5 6 7 ...
Page 82: ...CABLE ROUTING 2 43 Front brake hose left side view A 1 1 1 1 2 2 2 3 3 3 4 4 4 3 4 ...
Page 86: ...CABLE ROUTING 2 47 Fuel tank top and left side view A B 1 2 3 4 5 2 5 ...
Page 88: ...CABLE ROUTING 2 49 Canister A E 1 2 3 4 5 6 B B B C D 7 8 9 10 E F G H E 7 10 11 ...
Page 92: ...CABLE ROUTING 2 53 Air cut off valve right side view A B C C D E 1 2 2 3 3 3 4 4 5 5 5 6 7 ...
Page 100: ...CABLE ROUTING 2 61 Muffler top and left side view 1 1 2 3 3 4 5 5 6 6 4 4 5 6 5 6 A ...
Page 104: ...CABLE ROUTING 2 65 ...
Page 107: ......
Page 149: ......
Page 171: ...GENERAL CHASSIS 5 4 22 T R Front muffler protector bolt 7 N m 0 7 kgf m 5 2 lb ft b b a a 1 ...
Page 280: ...CHAIN DRIVE 4 131 ...
Page 335: ...ELECTRIC STARTER 5 52 1 2 3 a b ...
Page 388: ...TRANSMISSION 5 105 ...
Page 406: ...WATER PUMP 6 17 ...
Page 433: ......
Page 439: ...IGNITION SYSTEM 8 6 ...
Page 447: ...CHARGING SYSTEM 8 14 ...
Page 451: ...LIGHTING SYSTEM 8 18 ...
Page 486: ...ELECTRICAL COMPONENTS 8 53 ...
Page 495: ......
Page 505: ...SYSTEM DIAGRAM 9 10 ...
Page 531: ...STEERING DAMPER SYSTEM 9 36 ...
Page 815: ...91_ABS 9 320 4 Defective hydraulic unit assembly Replace the hydraulic unit assembly ...
Page 818: ......
Page 819: ......
Page 820: ......