Yamaha FZ6-S 2004, Service Manual

Page: 360 / 456

7-19
FUEL INJECTION SYSTEM
FI
Fault code No. 33 Symptom Malfunction detected in the primary lead of the ignition coil (#1, #4).
Used diagnostic code No. 30 (ignition coil #1, #4)
Order Inspection operation item and probable
cause Operation item and countermeasure Reinstatement
method
1 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.
Ignition coil primary side coupler - orange/black
Main wiring harness ECU coupler
Sub-wire harness coupler
Reinstated by
starting the en-
gine and oper-
ating it at idle.
In case of mul-
ti l
li d
2 Open or short circuit in lead. Repair or replace if there is an open or short
circuit.
Between ignition coil coupler (#1 and #4) and
ECU coupler / main harness
orange / black – orange / black
red / black – red / black
tiple cylinder
open or short
circuit in lead,
make sure to
turn ON and
OFF the main
switch after
3 Defective ignition coil (test the primary
and secondary coils for continuity). Execute the diagnostic mode (code No. 30)
Replace if defective.
Refer to “IGNITION SYSTEM” in chapter 8.
switch after
each time of
cranking.
Fault code No. 34 Symptom Malfunction detected in the primary lead of the ignition coil (#2, #3).
Used diagnostic code No. 31 (ignition coil #2, #3)
Order Inspection operation item and probable
cause Operation item and countermeasure Reinstatement
method
1 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.
Ignition coil primary side coupler - gray / black
Main wiring harness ECU coupler
Sub-wire harness coupler
Reinstated by
starting the en-
gine and oper-
ating it at idle.
In case of mul-
ti l
li d
2 Open or short circuit in lead wire. Repair or replace if there is an open or short
circuit.
Between ignition coil coupler (#2 and #3) and
ECU
coupler / main harness
gray / black – gray / black
red / black – red / black
tiple cylinder
open or short
circuit in lead,
make sure to
turn ON and
OFF the main
switch after
each time of
3 Defective ignition coil (test the primary
and secondary coils for continuity). Execute the diagnostic mode (code No. 31)
Replace if defective.
Refer to “IGNITION SYSTEM” in chapter 8.
each time of
cranking.
Fault code No. 41 Symptom Open or short circuit detected in the lean angle cut-off switch.
Used diagnostic code No. 08 (lean angle cut-off switch)
Order Inspection operation item and probable
cause Operation item and countermeasure Reinstatement
method
1 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.
Lean angle cut-off switch coupler
Main wiring harness ECU coupler
Reinstated by
turning the
mains witch
ON.
2 Open or short circuit in wiring harness. Repair or replace if there is an open or short
circuit.
Between switch coupler and ECU coupler
black / blue - black / blue
yellow / green - yellow / green
blue - blue
3 Defective lean angle cut-off switch Execute the diagnostic mode (code No. 08)
Replace if defective.
Refer to Fault code No. 30.