Yamaha YZF-R1P 2001-2003, Service Manual

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FI
FUEL INJECTION SYSTEM
Fault code No. 33 Symptom Malfunction detected in the primary lead of the ignition coil (#1).
Used diagnostic code No. 30 (ignition coil #1)
Inspection operation item and probable cause Operation item and countermeasure Reinstatement
method
Defective ignition coil (test the primary and
secondary coils for continuity). Replace if defective.
Refer to “IGNITION SYSTEM” in chapter 8. Reinstated by
starting the engine
and operating it at
idle.
In case of multiple
cylinder open or
short circuit in lead,
make sure to turn
ON and OFF the
main switch after
each time of crank-
ing.
Open or short circuit in lead. 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
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
Main wiring harness ECU coupler
Fault code No. 34 Symptom Malfunction detected in the primary lead of the ignition coil (#2).
Used diagnostic code No. 31 (ignition coil #2)
Inspection operation item and probable cause Operation item and countermeasure Reinstatement
method
Defective ignition coil (test the primary and
secondary coils for continuity). Replace if defective.
Refer to “IGNITION SYSTEM” in chapter 8. Reinstated by
starting the engine
and operating it at
idle.
In case of multiple
cylinder open or
short circuit in lead,
make sure to turn
ON and OFF the
main switch after
each time of crank-
ing.
Open or short circuit in lead wire. 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
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/Red
Main wiring harness ECU coupler
Fault code No. 35 Symptom Malfunction detected in the primary lead of the ignition coil (#3).
Used diagnostic code No. 32 (ignition coil #3)
Inspection operation item and probable cause Operation item and countermeasure Reinstatement
method
Defective ignition coil (test the primary and
secondary coils for continuity). Replace if defective.
Refer to “IGNITION SYSTEM” in chapter 8. Reinstated by
starting the engine
and operating it at
idle.
In case of multiple
cylinder open or
short circuit in lead,
make sure to turn
ON and OFF the
main switch after
each time of crank-
ing.
Open or short circuit in lead wire. 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
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/
Green
Main wiring harness ECU coupler