Honda SH300 2006 Manual page 409

4. Speed Sensor Line Short Circuit Inspection (at
sensor side)
Check for continuity between each terminal
(Black and White) of the sensor side 2P connec-
tor and ground in the same manner as the previ-
ous step.
Is there continuity?
YES – Faulty front wheel speed sensor.
NO – GO TO STEP 5.
5. Speed Sensor Line Open Circuit Inspection
Short the Pink/Black and Green/Orange wire ter-
minals of the ABS modulator 25P connector with
a jumper wire.
Check for continuity at the terminals of the wire
harness side front wheel speed sensor 2P
(Orange) connector.
Is there continuity?
YES – GO TO STEP 6.
NO – Open circuit in wire between the ABS
modulator and speed sensor.
6. Failure Reproduction with a New Speed Sensor
Replace the front wheel speed sensor with a new
one (page 18-23).
Connect the ABS modulator 25P connector.
Erase the problem code (page 18-9).
Test ride the scooter above 30 km/h (18 mph).
Retrieve the problem code (page 18-8).
Dose the indicator blink 11, 12, 21, 41 or 42
times?
YES – Faulty ABS modulator.
NO – Faulty removed wheel speed sensor.
ANTI-LOCK BRAKE SYSTEM (ABS; SH300A/AII/AIII)
Black
White
FRONT WHEEL SPEED SENSOR
2P (ORANGE) CONNECTOR
ABS INDICATOR
FRONT WHEEL SPEED SENSOR
2P (ORANGE) CONNECTOR
ABS MODULATOR
25P CONNECTOR
Green/Orange
Pink/Black
18-15