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Yamaha RX10LTGTYL Service Manual page 301

2007 - 2010

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Fault
Symptom
Code No.
No normal signals are received from
the speed sensor.
42
The ECU is unable to monitor the
43
battery voltage (an open circuit in the
monitor line to the ECU).
An error is detected while reading or
44
writing on EEPROM.
Power supply to the FI system is not
46
normal.
Faulty ECU memory. When this
malfunction is detected, the code
50
number might not appear on the
meter.
The grip warmer switch is not normal.
80
The grip warmer is not normal.
81
The thumb warmer switch is not
82
normal.
The thumb warmer is not normal.
83
T.O.R.S.
84
The oil pressure switch is not normal.
85
No signal is received from the ECU.
Er-1
No signal is received from the ECU
Er-2
within the specified duration.
Data from the ECU can not be
Er-3
received correctly.
Non-registered data has been
Er-4
received from the meter.
FUEL INJECTION SYSTEM
Probable Cause of Malfunction
• Open or short circuit in wiring harness.
• Defective speed sensor.
• Malfunction in vehicle speed sensor detected unit.
• Malfunction in ECU.
• Open circuit in wiring harness.
• Malfunction in ECU.
• Malfunction in ECU. (The CO adjustment value is not properly
written on or read from the internal memory).
• Malfunction in "CHARGING SYSTEM".
• Malfunction in ECU. (The program and data are not properly written
on or read from the internal memory.)
• Short circuit in wiring harness.
• Defective grip warmer switch.
• Malfunction in ECU.
• Open or short circuit in wiring harness.
• Defective grip warmer.
• Malfunction in ECU.
• Short circuit in wiring harness.
• Defective thumb warmer switch.
• Malfunction in ECU.
• Short circuit in wiring harness.
• Defective thumb warmer.
• Malfunction in ECU.
• Detecting conditions for T.O.R.S. are satisfied.
• Open circuit in wiring harness.
• Defective oil pressure switch.
• Malfunction in ECU.
• Open or short circuit in wiring harness.
• Malfunction in meter.
• Malfunction in ECU.
• Defective wire connection of the ECU coupler.
• Improper connection in wiring harness.
• Malfunction in meter.
• Malfunction in ECU.
• Improper connection in wiring harness.
• Malfunction in meter.
• Malfunction in ECU.
• Improper connection in wiring harness.
• Malfunction in meter.
• Malfunction in ECU.
67
FI
Diagnostic
Code
07
09
60
26
27
1
24
07

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