Yamaha 2004 FZ6-SS Service Manual - page 352
7-16
FUEL INJECTION SYSTEM
FI
Fault code No.
16
Symptom
Stuck throttle position sensor detected.
Used diagnostic code No. 01 (throttle position sensor)
Order
Inspection operation item and probable
cause
Operation item and countermeasure
Reinstatement
method
1
Installed condition of throttle position
sensor.
Check the installed area for looseness or pinching.
Check that it is installed in the specified position.
Refer to “THROTTLE BODIES” section.
Reinstated by
starting the
engine,
ti
it
2
Defective throttle position sensor
Execute the diagnostic mode (code No. 01)
Replace if defective.
Refer to “THROTTLE BODIES” section.
operating it
at idle, and
then racing it.
3
When detecting fault code No. 15
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 No. 4 terminal is detected.
Used diagnostic code No. 20 (sidestand switch)
Order
Inspection operation item and probable
cause
Operation item and countermeasure
Reinstatement
method
1
Connected state of connector
Main wiring harness ECU coupler
(No. 4 pin)
Execute the diagnostic mode (code No. 20)
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.
If the transmis-
sion is in gear,
it is reinstated
by retracting
the sidestand.
If the transmis-
sion is in neu-
tral it is rein-
2
Open or short circuit in wiring harness
and / or sub lead.
Repair or replace if there is an open circuit.
Sidestand switch signal input line of ECU coupler
black / red
tral, it is rein-
stated by re-
connecting the
wiring.
Fault code No.
21
Symptom
Open or short circuit is detected from the coolant temperature sensor.
Used diagnostic code No. 06 (coolant temperature sensor)
Order
Inspection operation item and probable
cause
Operation item and countermeasure
Reinstatement
method
1
Installed condition of sensor
Check the installed area for looseness or
pinching.
Reinstated by
turning the
2
Connected condition of connector
Inspect 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.
Coolant temperature sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
main switch
ON.
3
Open or short circuit in wiring harness
and / or sub lead.
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
4
Defective coolant temperature sensor.
Execute the diagnostic mode (code No. 06)
Replace if defective.
Refer to “COOLING SYSTEM” in chapter 8.