Yamaha 2006 RX10GTAXW Service Manual page 147

Fault code No. 16
Used diagnostic code No. 01 (throttle position sensor)
Order Inspection operation item and probable
cause
1 When detecting fault code No.15.
2 Installed condition of throttle position
sensor.
3 Defective throttle position sensor
Fault code No. 20
Used diagnostic code No. 02 (atmospheric pressure sensor) → 1
03 (intake air pressure sensor) → 2
Order Inspection operation item and probable
cause
1 Defective atmospheric pressure sensor
2 Defective intake air pressure sensor
Fault code No. 21
Used diagnostic code No. 06 (coolant temperature sensor)
Order Inspection operation item and probable
cause
1 Connected condition of connector
Inspect the coupler for any pins that
may have pulled out.
Check the locking condition of the
coupler.
2 Open or short circuit in wiring harness
and/or sub lead.
3 Defective coolant temperature sensor.
FUEL INJECTION SYSTEM
Symptom Stuck throttle position sensor detected.
Operation item and countermeasure
Refer to "Fault code No.15".
Check the installed area for looseness or pinching.
Check that it is installed in the specified position.
Refer to "THROTTLE BODIES" section.
Execute the diagnostic mode (Code No.01).
Replace if defective.
Refer to "THROTTLE BODIES" section.
Defective values are detected due to the internal malfunction of the intake air
Symptom
pressure sensor or the atmospheric pressure sensor.
Operation item and countermeasure
Execute the diagnostic mode (Code No.02).
Replace if defective.
Refer to "Fault code No.23".
Execute the diagnostic mode (Code No.03).
Replace if defective.
Refer to "Fault code No.13".
Symptom Open or short circuit is detected from the coolant temperature sensor.
Operation item and countermeasure
If there is a malfunction, repair it and connect it
securely.
Coolant temperature sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
Repair or replace if there is an open or short circuit.
Between sensor coupler and ECU coupler
Black/Blue – Black/Blue
Green/White – Green/White
Execute the diagnostic mode (Code No.06).
Replace if defective.
Refer to "COOLING SYSTEM" in CHAPTER 8.
75
FI
Reinstatement
method
Reinstated by
starting the
engine,
operating it at
idle, and then
racing it.
Reinstatement
method
Reinstated by
turning the main
switch ON.
Reinstatement
method
Reinstated by
turning the main
switch ON.