Yamaha YZF-R1S Service Manual page 371

Fault code No. 33
Used diagnostic code No. 30 (ignition coil #1)
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 lead.
3 Detective ignition coil (test the primary
and secondary coils for continuity).
Fault code No. 34
Used diagnostic code No. 31 (ignition coil #2)
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 lead wire.
3 Defective ignition coil (test the primary
and secondary coils for continuity).
Fault code No. 35
Used diagnostic code No. 32 (ignition coil #3)
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 lead wire.
3 Defective ignition coil (test the primary
and secondary coils for continuity).
FUEL INJECTION SYSTEM FUEL INJECTION SYSTEM
Symptom Malfunction detected in the primary lead of the ignition coil (#1).
Operation item and countermeasure
If there is a malfunction, repair it and connect it
securely.
Ignition coil primary side coupler – Orange
Main wiring harness ECU coupler
Repair or replace if there is an open or short
circuit.
Between ignition coil coupler (#1) and ECU
coupler / main harness
Orange – Orange
Red / Black – Red / Black
Execute the diagnostic mode (Code No.30).
Replace if defective.
Refer to "IGNITION SYSTEM" in chapter 8.
Symptom Malfunction detected in the primary lead of the ignition coil (#2).
Operation item and countermeasure
If there is a malfunction, repair it and connect it
securely.
Ignition coil primary side coupler – Gray / Red
Main wiring harness ECU coupler
Repair or replace if there is an open or short
circuit.
Between ignition coil coupler (#2) and ECU
coupler / main harness
Gray / Red – Gray / Red
Red / Black – Red / Black
Execute the diagnostic mode (Code No.31).
Replace if defective.
Refer to "IGNITION SYSTEM" in chapter 8.
Symptom Malfunction detected in the primary lead of the ignition coil (#3).
Operation item and countermeasure
If there is a malfunction, repair it and connect it
securely.
Ignition coil primary side coupler – Orange /
Green
Main wiring harness ECU coupler
Repair or replace if there is an open or short
circuit.
Between ignition coil coupler (#3) and ECU
coupler / main harness
Orange / Green – Orange / Green
Red / Black – Red / Black
Execute the diagnostic mode (Code No.32).
Replace if defective.
Refer to "IGNITION SYSTEM" in chapter 8.
7-27
FI FI
Reinstatement
method
Reinstated by
starting the en-
gine and oper-
ating it at idle.
Reinstatement
method
Reinstated by
starting the en-
gine and oper-
ating it at idle.
Reinstatement
method
Reinstated by
starting the en-
gine and oper-
ating it at idle.