Yamaha YZF-R1P Service Manual page 356

Fault code No. 14
Used diagnostic code No. 03 (intake air pressure sensor)
Inspection operation item and probable cause Operation item and countermeasure
Intake air pressure sensor hose detached,
clogged, kinked, or pinched.
Intake air pressure sensor malfunction at inter-
mediate electrical potential.
Atmospheric pressure sensor malfunction at
intermediate electrical potential.
Defective intake air pressure sensor.
Fault code No. 15
Used diagnostic code No. 01 (throttle position sensor)
Inspection operation item and probable cause Operation item and countermeasure
Defective throttle position sensor.
Open or short circuit in wiring harness and/or
sub lead.
Installed condition of throttle position sensor.
Connected condition of connector
Inspect the coupler for any pins that may
have pulled out.
Check the locking condition of the coupler.
Fault code No. 16
Used diagnostic code No. 01 (throttle position sensor)
Inspection operation item and probable cause Operation item and countermeasure
Defective throttle position sensor
Installed condition of throttle position sensor.
FUEL INJECTION SYSTEM
Symptom Intake air pressure sensor - hose system malfunction (clogged or
detached hose).
Repair or replace the sensor hose.
Inspect and repair the connection.
Replace if defective.
Refer to "Fault code No.13".
Symptom Throttle position sensor - open or short circuit detected.
Replace if defective.
Refer to "THROTTLE BODIES" section.
Repair or replace if there is an open or short
circuit.
Between sensor coupler and ECU coupler
Black/Blue - Black/Blue
Yellow - Yellow
Blue - Blue
Check the installed area for looseness or
pinching.
Check that it is installed in the specified posi-
tion.
Refer to "THROTTLE BODIES" section.
If there is a malfunction, repair it and connect it
securely.
Throttle position sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
Symptom Stuck throttle position sensor detected.
Replace if defective.
Refer to "THROTTLE BODIES" section.
Check the installed area for looseness or
pinching.
Check that it is installed in the specified
position.
Refer to "THROTTLE BODIES" section.
7 - 15
FI
Reinstatement
method
Reinstated by
starting the engine
and operating it at
idle.
Reinstatement
method
Reinstated by turn-
ing the main switch
ON.
Reinstatement
method
Reinstated by
starting the engine,
operating it at idle,
and then racing it.