FUEL INJECTION SYSTEM
FI
ifl
Fault code No. 16 Symptom Stuck throttle position sensor detected.
Used diagnostic code No. D01 (throttle position sensor)
Order
Inspection operation item and
probable cause
Operation item and countermeasure
Reinstatement
method
1
2
3
Installed condition of throttle
position sensor.
Check the installed area for looseness or
pinching.
Check that it is installed in the specified posi-
tion.
Refer to “THROTTLE BODY AND FUEL IN-
JECTOR ”.
Reinstated by start-
ing the engine, oper-
ating it at idle, and
then racing it.
1
2
3
Defective throttle position sen-
sor
Execute the diagnostic mode (code No. 01)
Replace the throttle body.
NOTE:
Do not remove the sensor assembly (MAQS).
Refer to “THROTTLE BODY AND FUEL IN-
JECTOR ”.
Reinstated by start-
ing the engine, oper-
ating it at idle, and
then racing it.
1
2
3
When fault code No.15 has
been detected
Refer to “Fault code No.15”.
Refer to “Fault code
No. 15”.
Fault code No. 19 Symptom Open circuit in the input line of ECU (blue/yellow lead) detected.
Used diagnostic code No. D20 (sidestand switch :option)
Order
Inspection operation item and
probable cause
Operation item and countermeasure
Reinstatement
method
1
2
Connected state of connector
Main wiring harness ECU cou-
pler
(blue/yellow connector)
Execute the diagnostic mode (code No. D20)
Check the coupler for any pins that may have
pulled out.
Check the locking condition of the coupler.
If there is a malfunction, repair it and connect
it securely.
Reinstated by recon-
necting the wiring
and retracting the
sidestand.
1
2
Open or short circuit in wiring
harness and/or sub lead.
Repair or replace if there is an open circuit.
Between main switch coupler and ECU cou-
pler.
blue/yellow - blue/yellow
Sidestand switch signal input line of main
switch coupler.
blue/green - blue/green
Reinstated by recon-
necting the wiring
and retracting the
sidestand.
7-16
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