Yamaha YZF-R1 Series Service Manual page 543

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC Item
P0500 [P0500] Rear wheel
P1500 sensor: no normal
signals are received
from the rear wheel
sensor.
[P1500] Neutral
switch: open or short
circuit is detected.
[P1500] Clutch switch:
open or short circuit is
detected.
P0560 Charging voltage is
abnormal.
P0563 Vehicle system power
voltage out of range
P0601 Internal malfunction in
ECU. (When this mal-
function is detected in
the ECU, the DTC
might not appear on
the tool display.)
Probable cause of
malfunction
Vehicle speed is not
• Open or short cir-
cuit in wire harness displayed on the me-
between rear wheel ter.
sensor and ABS Indication of the neu-
tral indicator light is in-
unit.
• Open or short cir- correct.
cuit in wire harness Engine idling speed is
between ABS unit unstable.
and ECU. Traction control does
not work.
• Open or short cir-
cuit in wire harness
between neutral
switch and ECU.
• Open or short cir-
cuit in wire harness
between clutch
switch and ECU.
• Defective rear wheel
sensor.
• Defective neutral
switch.
• Defective clutch
switch.
• Improper adjust-
ment of clutch lever.
• Malfunction in ECU.
• Battery over-dis- Engine is difficult to
charging (broken or start.
disconnected lead in Increased exhaust
charging system). emissions.
• Battery over-dis- Battery performance
charging (defective has deteriorated or
rectifier/regulator). battery is defective.
• Battery overcharg- Engine is difficult to
start.
ing (defective rectifi-
er/regulator). Increased exhaust
• Battery overcharg- emissions.
ing (broken or dis- Battery performance
connected lead in has deteriorated or
rectifier/regulator battery is defective.
wire harness).
• Malfunction in ECU. Engine cannot be
started.
9-46
Fail-safe system op-
Vehicle symptom
Vehicle speed dis-
played on the meter =
0 [km/h]
O
2
carried out.
Fuel cut-off control
when the rear wheel
sensor or neutral
switch malfunctions is
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
Traction control does
not work.
QSS is not carried
out.
O
2
carried out.
O
2
carried out.
Engine cannot be
started.
eration
feedback is not
feedback is not
feedback is not