FUEL INJECTION SYSTEM
8-79
1 Connection of throttle servo
motor 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.
Turn the main switch to “ON”.
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.
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.
Turn the main switch to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 3.
3 Check the electronic throttle
valve fuse.
Abnormality → Replace the
electronic throttle valve fuse.
Turn the main switch to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 4.
4 Wire harness continuity. Open or short circuit → Re-
place the wire harness.
light green–light green
yellow/red–yellow/red
Turn the main switch to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 5.
5 Defective throttle servo mo-
tor.
Check the throttle servo mo-
tor.
Replace the throttle bodies if
defective.
Refer to “CHECKING THE
THROTTLE SERVO MO-
TOR” on page 8-188.
Turn the main switch to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 6.
6 Defective throttle bodies. Check the throttle bodies.
Replace if defective.
Refer to “CHECKING THE
THROTTLE SERVO MO-
TOR” on page 8-188.
Turn the main switch to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 7.
7 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-174.
Fault code No. 69
Item
Front wheel sensor: no normal signals are received from the
front wheel sensor.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. 16
Fault code No. 60
Item YCC-T drive system: malfunction detected.
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