Fault Code Nos.
Fault Code No.: 41     Diagnostic Code No.: 08
Item: Lean angle sensor: open or short circuit detected.
Fail-Safe System: Unable to start engine | Unable to Drive Vehicle
Indicated: Lean angle sensor output voltage
                 • 0.4-1.4 (upright)
                 • 3.7-4.4 (overturned)
Procedure: Remove the lean angle sensor and incline it more than 45 degrees.
               Probable Cause of                                                       Confirmation of Service
  Item       Malfunction and Check            Maintenance Job              Completion
1
Connection of lean angle
sensor coupler.

Check the locking condition
of the coupler.

Disconnect the coupler and
check the pins (bent or broken terminals and locking
condition of the pins).
Improperly connected.

Connect the coupler securely or replace the wire harness.
Turn the main switch to "ON",
then to "OFF", and then back
to "ON".

If the Fault code number is not displayed, then the Service is finished.

If however, the Fault code number is displayed, then go to item 2.
2
Connection of ECU coupler.

Check the locking condition
of the coupler.

Disconnect the coupler and
check the pins (bent or broken terminals and locking
condition of the pins).
Improperly connected.

Connect the coupler securely or replace the wire harness.
Turn the main switch to "ON",
then to "OFF", and then back
to "ON".

If the Fault code number is not displayed, then the Service is finished.

If however, the Fault code number is displayed, then go to item 3.
3
Wire harness continuity.
Open or short circuit.

Replace the wire harness.
Between lean angle sensor
coupler and ECU coupler.
(Yellow/Green-
Yellow/Green)

Between lean angle sensor
coupler and joint coupler.
(Blue-Blue)
(Black/Blue-Black/Blue)

Between joint coupler and
ECU coupler.
(Blue-Blue)
(Black/Blue-Black/Blue)
Turn the main switch to "ON",
then to "OFF", and then back
to "ON".

If the Fault code number is not displayed, then the Service is finished.

If however, the Fault code number is displayed, then go to item 4.
4
Defective lean angle sensor.
Execute the diagnostic
mode. (Code No. 08).

If the indicated value is out of the specified range, then replace the lean angle sensor.
Turn the main switch to "ON",
then to "OFF", and then back
to "ON".

If the Fault code number is not displayed, then the Service is finished.

If however, the Fault code number is displayed, then go to item 5.
5
Malfunction in ECU.
Replace the ECU.
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