Yamaha FJR1300A(D), Service Manual

Page: 506 / 662

FUEL INJECTION SYSTEM
8-57
3 Defective lean angle sensor. Execute the diagnostic
mode. (Code No. 08)
Replace if defective.
Refer to “CHECKING THE
LEAN ANGLE SENSOR” on
page 8-183. Turn the main switch to “ON”,
then to “OFF”, and then back
to “ON”.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 4.
4 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-174.
Fault code No. 33
Item
Cylinder-#1 ignition coil: open or short circuit detected in the
primary lead of the cylinder-#1 ignition coil.
Fail-safe system
Able to start engine (depending on the number of faulty cylinders)
Able to drive vehicle (depending on the number of faulty cylinders)
Diagnostic code No. 30
Actuation
Actuates the cylinder-#1 ignition coil five times at one-second in-
tervals.
Illuminates the engine trouble warning light.
Procedure
Check that a spark is generated five times.
• Connect an ignition checker.
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 Connection of cylinder-#1 ig-
nition coil coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins). Improperly connected
→
Connect the coupler secure-
ly or replace the wire har-
ness.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 2.
2 Connection of wire harness
ECU coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins). Improperly connected
→
Connect the coupler secure-
ly or replace the wire har-
ness.
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 3.
3 Wire harness continuity. Open or short circuit
→
Re-
place the wire harness.
Between cylinder-#1 ignition
coil coupler and ECU cou-
pler.
orange–orange
Start the engine and let it idle
for approximately 5 seconds.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 4.
Fault code No. 30
Item Latch up detected.